Protect yourself against future threats.
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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2022.4577
Security update for the Linux Kernel
15 September 2022
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-36879 CVE-2022-29581 CVE-2022-26373
CVE-2022-21385 CVE-2022-20369 CVE-2022-20368
CVE-2022-3028 CVE-2022-2977 CVE-2022-2639
CVE-2022-2588 CVE-2021-4203 CVE-2020-36516
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20223265-1
Comment: CVSS (Max): 8.1 CVE-2020-36516 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:3265-1
Rating: important
References: #1054914 #1065729 #1078216 #1093777 #1094120 #1107937
#1120716 #1141488 #1179310 #1181862 #1189904 #1190397
#1191881 #1194535 #1196616 #1197158 #1198388 #1199617
#1199665 #1201019 #1201264 #1201420 #1201442 #1201610
#1201705 #1201726 #1201948 #1202017 #1202096 #1202154
#1202346 #1202347 #1202393 #1202396 #1202528 #1202577
#1202672 #1202830 #1202897 #1202898 #1203013 #1203098
#1203126
Cross-References: CVE-2020-36516 CVE-2021-4203 CVE-2022-20368 CVE-2022-20369
CVE-2022-21385 CVE-2022-2588 CVE-2022-26373 CVE-2022-2639
CVE-2022-29581 CVE-2022-2977 CVE-2022-3028 CVE-2022-36879
Affected Products:
SUSE Linux Enterprise Desktop 12-SP5
SUSE Linux Enterprise High Availability 12-SP5
SUSE Linux Enterprise High Performance Computing 12-SP5
SUSE Linux Enterprise Live Patching 12-SP5
SUSE Linux Enterprise Server 12-SP5
SUSE Linux Enterprise Server for SAP Applications 12-SP5
SUSE Linux Enterprise Software Development Kit 12-SP5
SUSE Linux Enterprise Workstation Extension 12-SP5
______________________________________________________________________________
An update that solves 12 vulnerabilities and has 31 fixes is now available.
Description:
The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security
and bugfixes.
The following security bugs were fixed:
o CVE-2022-36879: Fixed an issue in xfrm_expand_policies in net/xfrm/
xfrm_policy.c where a refcount could be dropped twice (bnc#1201948).
o CVE-2022-3028: Fixed race condition that was found in the IP framework for
transforming packets (XFRM subsystem) (bnc#1202898).
o CVE-2022-2977: Fixed reference counting for struct tpm_chip (bsc#1202672).
o CVE-2022-29581: Fixed improper update of reference count vulnerability in
net/sched that allowed a local attacker to cause privilege escalation to
root (bnc#1199665).
o CVE-2022-2639: Fixed an integer coercion error that was found in the
openvswitch kernel module (bnc#1202154).
o CVE-2022-26373: Fixed non-transparent sharing of return predictor targets
between contexts in some Intel Processors (bnc#1201726).
o CVE-2022-2588: Fixed use-after-free in cls_route (bsc#1202096).
o CVE-2022-21385: Fixed a flaw in net_rds_alloc_sgs() that allowed
unprivileged local users to crash the machine (bnc#1202897).
o CVE-2022-20369: Fixed possible out of bounds write due to improper input
validation in v4l2_m2m_querybuf of v4l2-mem2mem.c (bnc#1202347).
o CVE-2022-20368: Fixed slab-out-of-bounds access in packet_recvmsg() (bsc#
1202346).
o CVE-2021-4203: Fixed use-after-free read flaw that was found in
sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS
race with listen() (bnc#1194535).
o CVE-2020-36516: Fixed an issue in the mixed IPID assignment method where an
attacker was able to inject data into or terminate a victim's TCP session
(bnc#1196616).
The following non-security bugs were fixed:
o 9p: migrate from sync_inode to filemap_fdatawrite_wbc (bsc#1202528).
o ACPI: CPPC: Do not prevent CPPC from working in the future (git-fixes).
o Fix parsing of rpm/macros.kernel-source on SLE12 (bsc#1201019).
o Fix releasing of old bundles in xfrm_bundle_lookup() (bsc#1201264 bsc#
1190397 bsc#1199617).
o KABI: cgroup: Restore KABI of css_set (bsc#1201610).
o KVM: PPC: Book3S HV: Context tracking exit guest context before enabling
irqs (bsc#1065729).
o KVM: arm64: Avoid setting the upper 32 bits of TCR_EL2 and CPTR_EL2 (bsc#
1201442)
o KVM: nVMX: Set UMIP bit CR4_FIXED1 MSR when emulating UMIP (bsc#1120716).
o KVM: x86: Mark TSS busy during LTR emulation _after_ all fault checks
(git-fixes).
o KVM: x86: Set error code to segment selector on LLDT/LTR non-canonical #GP
(git-fixes).
o PCI: dwc: Deallocate EPC memory on dw_pcie_ep_init() errors (git-fixes).
o README, patch-tag-template, header.py: Abolish Novell and FATE (bsc#
1189904).
o SUNRPC: Fix READ_PLUS crasher (git-fixes).
o SUNRPC: Fix the svc_deferred_event trace class (git-fixes).
o USB: new quirk for Dell Gen 2 devices (git-fixes).
o USB: serial: io_ti: add Agilent E5805A support (git-fixes).
o ata: libata: add qc->flags in ata_qc_complete_template tracepoint
(git-fixes).
o bs-upload-kernel: Workaround for vim syntax highlighting
o bs-upload-kernel: build klp_symbols when supported. cherry-picked from
kbuild
o btrfs: Convert fs_info->free_chunk_space to atomic64_t (bsc#1202528).
o btrfs: add a trace class for dumping the current ENOSPC state (bsc#
1202528).
o btrfs: add a trace point for reserve tickets (bsc#1202528).
o btrfs: adjust the flush trace point to include the source (bsc#1202528).
o btrfs: check reclaim_size in need_preemptive_reclaim (bsc#1202528).
o btrfs: check worker before need_preemptive_reclaim (bsc#1202528).
o btrfs: do not do preemptive flushing if the majority is global rsv (bsc#
1202528).
o btrfs: do not include the global rsv size in the preemptive used amount
(bsc#1202528).
o btrfs: enable a tracepoint when we fail tickets (bsc#1202528).
o btrfs: handle preemptive delalloc flushing slightly differently (bsc#
1202528).
o btrfs: implement space clamping for preemptive flushing (bsc#1202528).
o btrfs: improve preemptive background space flushing (bsc#1202528).
o btrfs: include delalloc related info in dump space info tracepoint (bsc#
1202528).
o btrfs: introduce a FORCE_COMMIT_TRANS flush operation (bsc#1202528).
o btrfs: make flush_space take a enum btrfs_flush_state instead of int (bsc#
1202528).
o btrfs: only clamp the first time we have to start flushing (bsc#1202528).
o btrfs: only ignore delalloc if delalloc is much smaller than ordered (bsc#
1202528).
o btrfs: reduce the preemptive flushing threshold to 90% (bsc#1202528).
o btrfs: remove FLUSH_DELAYED_REFS from data ENOSPC flushing (bsc#1202528).
o btrfs: rename need_do_async_reclaim (bsc#1202528).
o btrfs: rework btrfs_calc_reclaim_metadata_size (bsc#1202528).
o btrfs: rip out btrfs_space_info::total_bytes_pinned (bsc#1202528).
o btrfs: rip out may_commit_transaction (bsc#1202528).
o btrfs: rip the first_ticket_bytes logic from fail_all_tickets (bsc#
1202528).
o btrfs: simplify the logic in need_preemptive_flushing (bsc#1202528).
o btrfs: take into account global rsv in need_preemptive_reclaim (bsc#
1202528).
o btrfs: use delalloc_bytes to determine flush amount for shrink_delalloc
(bsc#1202528).
o btrfs: use percpu_read_positive instead of sum_positive for need_preempt
(bsc#1202528).
o btrfs: use the filemap_fdatawrite_wbc helper for delalloc shrinking (bsc#
1202528).
o btrfs: use the global rsv size in the preemptive thresh calculation (bsc#
1202528).
o btrfs: wait on async extents when flushing delalloc (bsc#1202528).
o btrfs: wake up async_delalloc_pages waiters after submit (bsc#1202528).
o ceph: do not truncate file in atomic_open (bsc#1202830).
o cgroup: Use separate src/dst nodes when preloading css_sets for migration
(bsc#1201610).
o crypto: arm64/gcm - Select AEAD for GHASH_ARM64_CE (git-fixes).
o crypto: inside-secure - Add missing MODULE_DEVICE_TABLE for of (git-fixes).
o cxgb4: fix endian conversions for L4 ports in filters (git-fixes).
o cxgb4: move handling L2T ARP failures to caller (git-fixes).
o cxgb4: parse TC-U32 key values and masks natively (git-fixes).
o dm raid: fix KASAN warning in raid5_add_disks (git-fixes).
o drivers/perf: arm_spe: Fix consistency of SYS_PMSCR_EL1.CX (git-fixes).
o fs: add a filemap_fdatawrite_wbc helper (bsc#1202528).
o fuse: limit nsec (bsc#1203126).
o iommu/vt-d: avoid invalid memory access via node_online(NUMA_NO_NODE)
(git-fixes).
o ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback (git-fixes).
o kabi/severities: add mlx5 internal symbols
o kernel-obs-build: include qemu_fw_cfg (boo#1201705)
o lightnvm: Remove lightnvm implemenation (bsc#1191881 bsc#1201420
ZDI-CAN-17325).
o md-raid: destroy the bitmap after destroying the thread (git-fixes).
o md/bitmap: do not set sb values if can't pass sanity check (bsc#1197158).
o mm/rmap.c: do not reuse anon_vma if we just want a copy (git-fixes, bsc#
1203098).
o mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse (git-fixes,
bsc#1203098).
o mvpp2: fix panic on module removal (git-fixes).
o mvpp2: refactor the HW checksum setup (git-fixes).
o net/mlx5: Clear LAG notifier pointer after unregister (git-fixes).
o net/mlx5: Fix auto group size calculation (git-fixes).
o net/mlx5: Imply MLXFW in mlx5_core (git-fixes).
o net/mlx5e: Use the inner headers to determine tc/pedit offload limitation
on decap flows (git-fixes).
o net: dsa: mt7530: Change the LINK bit to reflect the link status
(git-fixes).
o net: emaclite: Simplify if-else statements (git-fixes).
o net: ll_temac: Add more error handling of dma_map_single() calls
(git-fixes).
o net: ll_temac: Enable DMA when ready, not before (git-fixes).
o net: ll_temac: Fix RX buffer descriptor handling on GFP_ATOMIC pressure
(git-fixes).
o net: ll_temac: Fix iommu/swiotlb leak (git-fixes).
o net: ll_temac: Fix support for 64-bit platforms (git-fixes).
o net: ll_temac: Fix support for little-endian platforms (git-fixes).
o net: ll_temac: Fix typo bug for 32-bit (git-fixes).
o net: sock: tracing: Fix sock_exceed_buf_limit not to dereference stale
pointer (git-fixes).
o net: stmmac: gmac4: bitrev32 returns u32 (git-fixes).
o net: usb: lan78xx: Connect PHY before registering MAC (git-fixes).
o net: xilinx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop
profiles (git-fixes).
o net_sched: cls_route: disallow handle of 0 (bsc#1202393).
o objtool: Add --backtrace support (bsc#1202396).
o objtool: Add support for intra-function calls (bsc#1202396).
o objtool: Allow no-op CFI ops in alternatives (bsc#1202396).
o objtool: Convert insn type to enum (bsc#1202396).
o objtool: Do not use ignore flag for fake jumps (bsc#1202396).
o objtool: Fix !CFI insn_state propagation (bsc#1202396).
o objtool: Fix ORC vs alternatives (bsc#1202396).
o objtool: Fix sibling call detection (bsc#1202396).
o objtool: Make handle_insn_ops() unconditional (bsc#1202396).
o objtool: Remove INSN_STACK (bsc#1202396).
o objtool: Remove check preventing branches within alternative (bsc#1202396).
o objtool: Rename elf_open() to prevent conflict with libelf from
elftoolchain (bsc#1202396).
o objtool: Rename struct cfi_state (bsc#1202396).
o objtool: Rework allocating stack_ops on decode (bsc#1202396).
o objtool: Rewrite alt->skip_orig (bsc#1202396).
o objtool: Set insn->func for alternatives (bsc#1202396).
o objtool: Support conditional retpolines (bsc#1202396).
o objtool: Support multiple stack_op per instruction (bsc#1202396).
o objtool: Track original function across branches (bsc#1202396).
o objtool: Uniquely identify alternative instruction groups (bsc#1202396).
o objtool: Use Elf_Scn typedef instead of assuming struct name (bsc#1202396).
o pNFS: Do not keep retrying if the server replied NFS4ERR_LAYOUTUNAVAILABLE
(git-fixes).
o phy: tegra: fix device-tree node lookups (git-fixes).
o powerpc/perf: Add privileged access check for thread_imc (bsc#1054914,
git-fixes).
o powerpc/perf: Fix loop exit condition in nest_imc_event_init (bsc#1054914,
git-fixes).
o powerpc/perf: Return accordingly on invalid chip-id in (bsc#1054914,
git-fixes).
o powerpc/powernv/kvm: Use darn for H_RANDOM on Power9 (bsc#1065729).
o powerpc/powernv: Avoid crashing if rng is NULL (bsc#1065729).
o powerpc/powernv: Staticify functions without prototypes (bsc#1065729).
o powerpc/powernv: Use darn instruction for get_random_seed() on Power9 (bsc#
1065729).
o powerpc/powernv: delay rng platform device creation until later in boot
(bsc#1065729).
o powerpc/powernv: rename remaining rng powernv_ functions to pnv_ (bsc#
1065729).
o powerpc/powernv: wire up rng during setup_arch (bsc#1065729).
o powerpc/pseries: wire up rng during setup_arch() (bsc#1065729).
o powerpc/xive: Fix refcount leak in xive_get_max_prio (git-fixess).
o powerpc: Enable execve syscall exit tracepoint (bsc#1065729).
o powerpc: Use sizeof(*foo) rather than sizeof(struct foo) (bsc#1054914,
git-fixes).
o powerpc: define get_cycles macro for arch-override (bsc#1065729).
o powerpc: powernv: kABI: add back powernv_get_random_long (bsc#1065729).
o qed: Add EDPM mode type for user-fw compatibility (git-fixes).
o qed: fix kABI in qed_rdma_create_qp_in_params (git-fixes).
o run_oldconfig.sh: Only use dummy tools if they exist (bcs#1181862).
o scripts/run_oldconfig.sh: Make dumy-tools executable (bcs#1181862).
o scripts/run_oldconfig.sh: make use of scripts/dummy-tools (bcs#1181862).
o scripts/run_oldconfig.sh: use pahole from dummy-tools if available (bsc#
1198388).
o scsi: smartpqi: set force_blk_mq=1.(bsc#1179310)
o sequence-patch: just exist if there is no config.sh
o spmi: trace: fix stack-out-of-bound access in SPMI tracing functions
(git-fixes).
o squashfs: add more sanity checks in id lookup (git-fixes).
o squashfs: add more sanity checks in inode lookup (git-fixes).
o squashfs: add more sanity checks in xattr id lookup (git-fixes).
o squashfs: fix divide error in calculate_skip() (git-fixes).
o squashfs: fix inode lookup sanity checks (bsc#1203013).
o squashfs: fix xattr id and id lookup sanity checks (bsc#1203013).
o tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing
(git-fixes).
o tracing/perf: Use strndup_user() instead of buggy open-coded version
(git-fixes).
o tracing/uprobes: Check the return value of kstrdup() for tu->filename
(git-fixes).
o tracing: Fix race in perf_trace_buf initialization (git-fixes).
o usb: misc: fix improper handling of refcount in uss720_probe() (git-fixes).
o usbnet: Fix linkwatch use-after-free on disconnect (git-fixes).
o usbnet: smsc95xx: Fix deadlock on runtime resume (git-fixes).
o xen/xenbus: fix return type in xenbus_file_read() (git-fixes).
o xfs: always free inline data before resetting inode fork during ifree (bsc#
1202017).
o xfs: check sb_meta_uuid for dabuf buffer recovery (bsc#1202577).
o xfs: fix NULL pointer dereference in xfs_getbmap() (git-fixes).
o xprtrdma: Fix trace point use-after-free race (git-fixes).
Special Instructions and Notes:
Please reboot the system after installing this update.
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Workstation Extension 12-SP5:
zypper in -t patch SUSE-SLE-WE-12-SP5-2022-3265=1
o SUSE Linux Enterprise Software Development Kit 12-SP5:
zypper in -t patch SUSE-SLE-SDK-12-SP5-2022-3265=1
o SUSE Linux Enterprise Server 12-SP5:
zypper in -t patch SUSE-SLE-SERVER-12-SP5-2022-3265=1
o SUSE Linux Enterprise Live Patching 12-SP5:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2022-3265=1
Please note that this is the initial kernel livepatch without fixes itself,
this package is later updated by seperate standalone kernel livepatch
updates.
o SUSE Linux Enterprise High Availability 12-SP5:
zypper in -t patch SUSE-SLE-HA-12-SP5-2022-3265=1
Package List:
o SUSE Linux Enterprise Workstation Extension 12-SP5 (x86_64):
kernel-default-debuginfo-4.12.14-122.133.1
kernel-default-debugsource-4.12.14-122.133.1
kernel-default-extra-4.12.14-122.133.1
kernel-default-extra-debuginfo-4.12.14-122.133.1
o SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le
s390x x86_64):
kernel-obs-build-4.12.14-122.133.1
kernel-obs-build-debugsource-4.12.14-122.133.1
o SUSE Linux Enterprise Software Development Kit 12-SP5 (noarch):
kernel-docs-4.12.14-122.133.2
o SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):
kernel-default-4.12.14-122.133.1
kernel-default-base-4.12.14-122.133.1
kernel-default-base-debuginfo-4.12.14-122.133.1
kernel-default-debuginfo-4.12.14-122.133.1
kernel-default-debugsource-4.12.14-122.133.1
kernel-default-devel-4.12.14-122.133.1
kernel-syms-4.12.14-122.133.1
o SUSE Linux Enterprise Server 12-SP5 (noarch):
kernel-devel-4.12.14-122.133.1
kernel-macros-4.12.14-122.133.1
kernel-source-4.12.14-122.133.1
o SUSE Linux Enterprise Server 12-SP5 (x86_64):
kernel-default-devel-debuginfo-4.12.14-122.133.1
o SUSE Linux Enterprise Server 12-SP5 (s390x):
kernel-default-man-4.12.14-122.133.1
o SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64):
kernel-default-debuginfo-4.12.14-122.133.1
kernel-default-debugsource-4.12.14-122.133.1
kernel-default-kgraft-4.12.14-122.133.1
kernel-default-kgraft-devel-4.12.14-122.133.1
kgraft-patch-4_12_14-122_133-default-1-8.3.1
o SUSE Linux Enterprise High Availability 12-SP5 (ppc64le s390x x86_64):
cluster-md-kmp-default-4.12.14-122.133.1
cluster-md-kmp-default-debuginfo-4.12.14-122.133.1
dlm-kmp-default-4.12.14-122.133.1
dlm-kmp-default-debuginfo-4.12.14-122.133.1
gfs2-kmp-default-4.12.14-122.133.1
gfs2-kmp-default-debuginfo-4.12.14-122.133.1
kernel-default-debuginfo-4.12.14-122.133.1
kernel-default-debugsource-4.12.14-122.133.1
ocfs2-kmp-default-4.12.14-122.133.1
ocfs2-kmp-default-debuginfo-4.12.14-122.133.1
References:
o https://www.suse.com/security/cve/CVE-2020-36516.html
o https://www.suse.com/security/cve/CVE-2021-4203.html
o https://www.suse.com/security/cve/CVE-2022-20368.html
o https://www.suse.com/security/cve/CVE-2022-20369.html
o https://www.suse.com/security/cve/CVE-2022-21385.html
o https://www.suse.com/security/cve/CVE-2022-2588.html
o https://www.suse.com/security/cve/CVE-2022-26373.html
o https://www.suse.com/security/cve/CVE-2022-2639.html
o https://www.suse.com/security/cve/CVE-2022-29581.html
o https://www.suse.com/security/cve/CVE-2022-2977.html
o https://www.suse.com/security/cve/CVE-2022-3028.html
o https://www.suse.com/security/cve/CVE-2022-36879.html
o https://bugzilla.suse.com/1054914
o https://bugzilla.suse.com/1065729
o https://bugzilla.suse.com/1078216
o https://bugzilla.suse.com/1093777
o https://bugzilla.suse.com/1094120
o https://bugzilla.suse.com/1107937
o https://bugzilla.suse.com/1120716
o https://bugzilla.suse.com/1141488
o https://bugzilla.suse.com/1179310
o https://bugzilla.suse.com/1181862
o https://bugzilla.suse.com/1189904
o https://bugzilla.suse.com/1190397
o https://bugzilla.suse.com/1191881
o https://bugzilla.suse.com/1194535
o https://bugzilla.suse.com/1196616
o https://bugzilla.suse.com/1197158
o https://bugzilla.suse.com/1198388
o https://bugzilla.suse.com/1199617
o https://bugzilla.suse.com/1199665
o https://bugzilla.suse.com/1201019
o https://bugzilla.suse.com/1201264
o https://bugzilla.suse.com/1201420
o https://bugzilla.suse.com/1201442
o https://bugzilla.suse.com/1201610
o https://bugzilla.suse.com/1201705
o https://bugzilla.suse.com/1201726
o https://bugzilla.suse.com/1201948
o https://bugzilla.suse.com/1202017
o https://bugzilla.suse.com/1202096
o https://bugzilla.suse.com/1202154
o https://bugzilla.suse.com/1202346
o https://bugzilla.suse.com/1202347
o https://bugzilla.suse.com/1202393
o https://bugzilla.suse.com/1202396
o https://bugzilla.suse.com/1202528
o https://bugzilla.suse.com/1202577
o https://bugzilla.suse.com/1202672
o https://bugzilla.suse.com/1202830
o https://bugzilla.suse.com/1202897
o https://bugzilla.suse.com/1202898
o https://bugzilla.suse.com/1203013
o https://bugzilla.suse.com/1203098
o https://bugzilla.suse.com/1203126
- --------------------------END INCLUDED TEXT--------------------
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in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
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