Protect yourself against future threats.
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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2022.0622.2
Security update for the Linux Kernel
18 February 2022
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-0435 CVE-2022-0330 CVE-2022-0322
CVE-2021-45486 CVE-2021-45095 CVE-2021-44733
CVE-2021-43976 CVE-2021-43975 CVE-2021-39657
CVE-2021-39648 CVE-2021-33098 CVE-2021-28715
CVE-2021-28714 CVE-2021-28713 CVE-2021-28712
CVE-2021-28711 CVE-2021-4202 CVE-2021-4197
CVE-2021-4159 CVE-2021-4149 CVE-2021-4083
CVE-2021-4002 CVE-2021-3564 CVE-2021-0935
CVE-2021-0920 CVE-2020-27820 CVE-2019-15126
CVE-2018-25020
Reference: ESB-2022.0615
ESB-2022.0614
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20220371-1
Comment: CVSS (Max): 8.1* CVE-2022-0435 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
* Not all CVSS available when published
Revision History: February 18 2022: Change in the subject
February 14 2022: Initial Release
- --------------------------BEGIN INCLUDED TEXT--------------------
SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:0371-1
Rating: important
References: #1071995 #1124431 #1167162 #1169514 #1172073 #1177101
#1179599 #1184804 #1185377 #1186207 #1186222 #1187167
#1189305 #1189841 #1190358 #1190428 #1191229 #1191384
#1191731 #1192032 #1192267 #1192740 #1192845 #1192847
#1192877 #1192946 #1193306 #1193440 #1193442 #1193507
#1193575 #1193669 #1193727 #1193731 #1193767 #1193861
#1193864 #1193867 #1194001 #1194048 #1194087 #1194227
#1194302 #1194516 #1194529 #1194880 #1194888 #1194985
#1195254
Cross-References: CVE-2018-25020 CVE-2019-15126 CVE-2020-27820 CVE-2021-0920
CVE-2021-0935 CVE-2021-28711 CVE-2021-28712 CVE-2021-28713
CVE-2021-28714 CVE-2021-28715 CVE-2021-33098 CVE-2021-3564
CVE-2021-39648 CVE-2021-39657 CVE-2021-4002 CVE-2021-4083
CVE-2021-4149 CVE-2021-4197 CVE-2021-4202 CVE-2021-43975
CVE-2021-43976 CVE-2021-44733 CVE-2021-45095 CVE-2021-45486
CVE-2022-0322 CVE-2022-0330 CVE-2022-0435
Affected Products:
SUSE Linux Enterprise High Availability 12-SP4
SUSE Linux Enterprise High Performance Computing 12-SP4
SUSE Linux Enterprise Live Patching 12-SP4
SUSE Linux Enterprise Server 12-SP3
SUSE Linux Enterprise Server 12-SP4
SUSE Linux Enterprise Server 12-SP4-LTSS
SUSE Linux Enterprise Server 12-SP5
SUSE Linux Enterprise Server for SAP 12-SP4
SUSE Linux Enterprise Server for SAP Applications 12-SP3
SUSE Linux Enterprise Server for SAP Applications 12-SP4
SUSE Linux Enterprise Server for SAP Applications 12-SP5
SUSE OpenStack Cloud 9
SUSE OpenStack Cloud Crowbar 9
______________________________________________________________________________
An update that solves 27 vulnerabilities and has 22 fixes is now available.
Description:
The SUSE Linux Enterprise 12 SP4 LTSS kernel was updated to receive various
security and bugfixes.
The following security bugs were fixed:
o CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate
domain record count on input (bsc#1195254).
o CVE-2022-0330: Fixed flush TLBs before releasing backing store (bsc#
1194880).
o CVE-2022-0322: Fixed SCTP issue with account stream padding length for
reconf chunk (bsc#1194985).
o CVE-2021-45486: Fixed information leak inside the IPv4 implementation
caused by very small hash table (bnc#1194087).
o CVE-2021-45095: Fixed refcount leak in pep_sock_accept in net/phonet/pep.c
(bnc#1193867).
o CVE-2021-44733: Fixed a use-after-free exists in drivers/tee/tee_shm.c in
the TEE subsystem, that could have occured because of a race condition in
tee_shm_get_from_id during an attempt to free a shared memory object (bnc#
1193767).
o CVE-2021-43976: Fixed a flaw that could allow an attacker (who can connect
a crafted USB device) to cause a denial of service. (bnc#1192847)
o CVE-2021-43975: Fixed a flaw in hw_atl_utils_fw_rpc_wait that could allow
an attacker (who can introduce a crafted device) to trigger an
out-of-bounds write via a crafted length value. (bsc#1192845)
o CVE-2021-4202: Fixed NFC race condition by adding NCI_UNREG flag (bsc#
1194529).
o CVE-2021-4197: Use cgroup open-time credentials for process migraton perm
checks (bsc#1194302).
o CVE-2021-4159: Fixed kernel ptr leak vulnerability via BPF in
coerce_reg_to_size (bsc#1194227).
o CVE-2021-4149: Fixed btrfs unlock newly allocated extent buffer after error
(bsc#1194001).
o CVE-2021-4083: Fixed a read-after-free memory flaw inside the garbage
collection for Unix domain socket file handlers when users call close() and
fget() simultaneouslyand can potentially trigger a race condition (bnc#
1193727).
o CVE-2021-4002: Fixed a missing TLB flush that could lead to leak or
corruption of data in hugetlbfs. (bsc#1192946)
o CVE-2021-39657: Fixed out of bounds read due to a missing bounds check in
ufshcd_eh_device_reset_handler of ufshcd.c. This could lead to local
information disclosure with System execution privileges needed (bnc#
1193864).
o CVE-2021-39648: Fixed possible disclosure of kernel heap memory due to a
race condition in gadget_dev_desc_UDC_show of configfs.c. This could lead
to local information disclosure with System execution privileges needed.
User interaction is not needed for exploitation (bnc#1193861).
o CVE-2021-3564: Fixed double-free memory corruption in the Linux kernel HCI
device initialization subsystem that could have been used by attaching
malicious HCI TTY Bluetooth devices. A local user could use this flaw to
crash the system (bnc#1186207).
o CVE-2021-33098: Fixed a potential denial of service in Intel(R) Ethernet
ixgbe driver due to improper input validation. (bsc#1192877)
o CVE-2021-28715: Fixed issue with xen/netback to do not queue unlimited
number of packages (XSA-392) (bsc#1193442).
o CVE-2021-28714: Fixed issue with xen/netback to add rx queue stall
detection (XSA-392) (bsc#1193442).
o CVE-2021-28713: Fixed issue with xen/console to harden hvc_xen against
event channel storms (XSA-391) (bsc#1193440).
o CVE-2021-28712: Fixed issue with xen/netfront to harden netfront against
event channel storms (XSA-391) (bsc#1193440).
o CVE-2021-28711: Fixed issue with xen/blkfront to harden blkfront against
event channel storms (XSA-391) (bsc#1193440).
o CVE-2021-0935: Fixed possible out of bounds write in ip6_xmit of
ip6_output.c due to a use after free. This could lead to local escalation
of privilege with System execution privileges needed. User interaction is
not needed for exploitation (bnc#1192032).
o CVE-2021-0920: Fixed use after free bug due to a race condition in
unix_scm_to_skb of af_unix.c. This could have led to local escalation of
privilege with System execution privileges needed (bnc#1193731).
o CVE-2020-27820: Fixed a vulnerability where a use-after-frees in nouveau's
postclose() handler could happen if removing device. (bsc#1179599)
o CVE-2019-15126: Fixed a vulnerability in Broadcom and Cypress Wi-Fi chips,
used in RPi family of devices aka "Kr00k". (bsc#1167162)
o CVE-2018-25020: Fixed an overflow in the BPF subsystem due to a mishandling
of a long jump over an instruction sequence where inner instructions
require substantial expansions into multiple BPF instructions. This affects
kernel/bpf/core.c and net/core/filter.c (bnc#1193575).
The following non-security bugs were fixed:
o Bluetooth: fix the erroneous flush_work() order (git-fixes).
o Build: Add obsolete_rebuilds_subpackage (boo#1172073 bsc#1191731).
o elfcore: fix building with clang (bsc#1169514).
o fget: clarify and improve __fget_files() implementation (bsc#1193727).
o hv_netvsc: Fix the queue_mapping in netvsc_vf_xmit() (bsc#1193507).
o hv_netvsc: Set needed_headroom according to VF (bsc#1193507).
o kernel-*-subpackage: Add dependency on kernel scriptlets (bsc#1192740).
o kernel-binary.spec: Check for no kernel signing certificates. Also remove
unused variable.
o kernel-binary.spec: Define $image as rpm macro (bsc#1189841).
o kernel-binary.spec: Do not sign kernel when no key provided (bsc#1187167).
o kernel-binary.spec: Fix kernel-default-base scriptlets after packaging
merge.
o kernel-binary.spec: suse-kernel-rpm-scriptlets required for uninstall as
well (bsc#1189841).
o kernel-cert-subpackage: Fix certificate location in scriptlets (bsc#
1189841).
o kernel-source.spec: install-kernel-tools also required on 15.4
o kernel-spec-macros: Since rpm 4.17 %verbose is unusable (bsc#1191229).
o kprobes: Limit max data_size of the kretprobe instances (bsc#1193669).
o livepatch: Avoid CPU hogging with cond_resched (bsc#1071995).
o memstick: rtsx_usb_ms: fix UAF (bsc#1194516).
o moxart: fix potential use-after-free on remove path (bsc#1194516).
o net: Using proper atomic helper (bsc#1186222).
o net: mana: Add RX fencing (bsc#1193507).
o net: mana: Add XDP support (bsc#1193507).
o net: mana: Allow setting the number of queues while the NIC is down (bsc#
1193507).
o net: mana: Fix spelling mistake "calledd" -> "called" (bsc#1193507).
o net: mana: Fix the netdev_err()'s vPort argument in mana_init_port() (bsc#
1193507).
o net: mana: Improve the HWC error handling (bsc#1193507).
o net: mana: Support hibernation and kexec (bsc#1193507).
o net: mana: Use kcalloc() instead of kzalloc() (bsc#1193507).
o objtool: Support Clang non-section symbols in ORC generation (bsc#1169514).
o post.sh: detect /usr mountpoint too
o recordmcount.pl: fix typo in s390 mcount regex (bsc#1192267).
o recordmcount.pl: look for jgnop instruction as well as bcrl on s390 (bsc#
1192267).
o rpm/kernel-binary.spec.in: Use kmod-zstd provide. This makes it possible to
use kmod with ZSTD support on non-Tumbleweed.
o rpm/kernel-binary.spec.in: avoid conflicting suse-release suse-release had
arbitrary values in staging, we can't use it for dependencies. The
filesystem one has to be enough (boo#1184804).
o rpm/kernel-binary.spec.in: do not strip vmlinux again (bsc#1193306) After
usrmerge, vmlinux file is not named vmlinux-<version>, but simply vmlinux.
And this is not reflected in STRIP_KEEP_SYMTAB we set. So fix this by
removing the dash...
o rpm/kernel-binary.spec: Use only non-empty certificates.
o rpm/kernel-obs-build.spec.in: make builds reproducible (bsc#1189305)
o rpm/kernel-source.rpmlintrc: ignore new include/config files In 5.13, since
0e0345b77ac4, config files have no longer .h suffix. Adapt the zero-length
check. Based on Martin Liska's change.
o rpm/kernel-source.spec.in: do some more for vanilla_only Make sure: *
sources are NOT executable * env is not used as interpreter * timestamps
are correct We do all this for normal kernel builds, but not for
vanilla_only kernels (linux-next and vanilla).
o rpm: fixup support gz and zst compression methods (bsc#1190428, bsc#
1190358).
o rpm: use _rpmmacrodir (boo#1191384)
o tty: hvc: replace BUG_ON() with negative return value (git-fixes).
o vfs: check fd has read access in kernel_read_file_from_fd() (bsc#1194888).
o watchdog: iTCO_wdt: Export vendorsupport (bsc#1177101).
o watchdog: iTCO_wdt: Make ICH_RES_IO_SMI optional (bsc#1177101).
o x86/xen: Mark cpu_bringup_and_idle() as dead_end_function (bsc#1169514).
o xen/blkfront: do not take local copy of a request from the ring page
(git-fixes).
o xen/blkfront: do not trust the backend response data blindly (git-fixes).
o xen/blkfront: read response from backend only once (git-fixes).
o xen/netfront: disentangle tx_skb_freelist (git-fixes).
o xen/netfront: do not read data from request on the ring page (git-fixes).
o xen/netfront: do not trust the backend response data blindly (git-fixes).
o xen/netfront: read response from backend only once (git-fixes).
o xen: sync include/xen/interface/io/ring.h with Xen's newest version
(git-fixes).
o xfrm: fix MTU regression (bsc#1185377, bsc#1194048).
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 OpenStack Cloud Crowbar 9:
zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2022-371=1
o SUSE OpenStack Cloud 9:
zypper in -t patch SUSE-OpenStack-Cloud-9-2022-371=1
o SUSE Linux Enterprise Server for SAP 12-SP4:
zypper in -t patch SUSE-SLE-SAP-12-SP4-2022-371=1
o SUSE Linux Enterprise Server 12-SP4-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2022-371=1
o SUSE Linux Enterprise Live Patching 12-SP4:
zypper in -t patch SUSE-SLE-Live-Patching-12-SP4-2022-371=1
o SUSE Linux Enterprise High Availability 12-SP4:
zypper in -t patch SUSE-SLE-HA-12-SP4-2022-371=1
Package List:
o SUSE OpenStack Cloud Crowbar 9 (noarch):
kernel-devel-4.12.14-95.88.1
kernel-macros-4.12.14-95.88.1
kernel-source-4.12.14-95.88.1
o SUSE OpenStack Cloud Crowbar 9 (x86_64):
kernel-default-4.12.14-95.88.1
kernel-default-base-4.12.14-95.88.1
kernel-default-base-debuginfo-4.12.14-95.88.1
kernel-default-debuginfo-4.12.14-95.88.1
kernel-default-debugsource-4.12.14-95.88.1
kernel-default-devel-4.12.14-95.88.1
kernel-default-devel-debuginfo-4.12.14-95.88.1
kernel-syms-4.12.14-95.88.1
o SUSE OpenStack Cloud 9 (noarch):
kernel-devel-4.12.14-95.88.1
kernel-macros-4.12.14-95.88.1
kernel-source-4.12.14-95.88.1
o SUSE OpenStack Cloud 9 (x86_64):
kernel-default-4.12.14-95.88.1
kernel-default-base-4.12.14-95.88.1
kernel-default-base-debuginfo-4.12.14-95.88.1
kernel-default-debuginfo-4.12.14-95.88.1
kernel-default-debugsource-4.12.14-95.88.1
kernel-default-devel-4.12.14-95.88.1
kernel-default-devel-debuginfo-4.12.14-95.88.1
kernel-syms-4.12.14-95.88.1
o SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):
kernel-default-4.12.14-95.88.1
kernel-default-base-4.12.14-95.88.1
kernel-default-base-debuginfo-4.12.14-95.88.1
kernel-default-debuginfo-4.12.14-95.88.1
kernel-default-debugsource-4.12.14-95.88.1
kernel-default-devel-4.12.14-95.88.1
kernel-syms-4.12.14-95.88.1
o SUSE Linux Enterprise Server for SAP 12-SP4 (x86_64):
kernel-default-devel-debuginfo-4.12.14-95.88.1
o SUSE Linux Enterprise Server for SAP 12-SP4 (noarch):
kernel-devel-4.12.14-95.88.1
kernel-macros-4.12.14-95.88.1
kernel-source-4.12.14-95.88.1
o SUSE Linux Enterprise Server 12-SP4-LTSS (aarch64 ppc64le s390x x86_64):
kernel-default-4.12.14-95.88.1
kernel-default-base-4.12.14-95.88.1
kernel-default-base-debuginfo-4.12.14-95.88.1
kernel-default-debuginfo-4.12.14-95.88.1
kernel-default-debugsource-4.12.14-95.88.1
kernel-default-devel-4.12.14-95.88.1
kernel-syms-4.12.14-95.88.1
o SUSE Linux Enterprise Server 12-SP4-LTSS (x86_64):
kernel-default-devel-debuginfo-4.12.14-95.88.1
o SUSE Linux Enterprise Server 12-SP4-LTSS (noarch):
kernel-devel-4.12.14-95.88.1
kernel-macros-4.12.14-95.88.1
kernel-source-4.12.14-95.88.1
o SUSE Linux Enterprise Server 12-SP4-LTSS (s390x):
kernel-default-man-4.12.14-95.88.1
o SUSE Linux Enterprise Live Patching 12-SP4 (ppc64le s390x x86_64):
kernel-default-kgraft-4.12.14-95.88.1
kernel-default-kgraft-devel-4.12.14-95.88.1
kgraft-patch-4_12_14-95_88-default-1-6.5.1
o SUSE Linux Enterprise High Availability 12-SP4 (ppc64le s390x x86_64):
cluster-md-kmp-default-4.12.14-95.88.1
cluster-md-kmp-default-debuginfo-4.12.14-95.88.1
dlm-kmp-default-4.12.14-95.88.1
dlm-kmp-default-debuginfo-4.12.14-95.88.1
gfs2-kmp-default-4.12.14-95.88.1
gfs2-kmp-default-debuginfo-4.12.14-95.88.1
kernel-default-debuginfo-4.12.14-95.88.1
kernel-default-debugsource-4.12.14-95.88.1
ocfs2-kmp-default-4.12.14-95.88.1
ocfs2-kmp-default-debuginfo-4.12.14-95.88.1
References:
o https://www.suse.com/security/cve/CVE-2018-25020.html
o https://www.suse.com/security/cve/CVE-2019-15126.html
o https://www.suse.com/security/cve/CVE-2020-27820.html
o https://www.suse.com/security/cve/CVE-2021-0920.html
o https://www.suse.com/security/cve/CVE-2021-0935.html
o https://www.suse.com/security/cve/CVE-2021-28711.html
o https://www.suse.com/security/cve/CVE-2021-28712.html
o https://www.suse.com/security/cve/CVE-2021-28713.html
o https://www.suse.com/security/cve/CVE-2021-28714.html
o https://www.suse.com/security/cve/CVE-2021-28715.html
o https://www.suse.com/security/cve/CVE-2021-33098.html
o https://www.suse.com/security/cve/CVE-2021-3564.html
o https://www.suse.com/security/cve/CVE-2021-39648.html
o https://www.suse.com/security/cve/CVE-2021-39657.html
o https://www.suse.com/security/cve/CVE-2021-4002.html
o https://www.suse.com/security/cve/CVE-2021-4083.html
o https://www.suse.com/security/cve/CVE-2021-4149.html
o https://www.suse.com/security/cve/CVE-2021-4197.html
o https://www.suse.com/security/cve/CVE-2021-4202.html
o https://www.suse.com/security/cve/CVE-2021-43975.html
o https://www.suse.com/security/cve/CVE-2021-43976.html
o https://www.suse.com/security/cve/CVE-2021-44733.html
o https://www.suse.com/security/cve/CVE-2021-45095.html
o https://www.suse.com/security/cve/CVE-2021-45486.html
o https://www.suse.com/security/cve/CVE-2022-0322.html
o https://www.suse.com/security/cve/CVE-2022-0330.html
o https://www.suse.com/security/cve/CVE-2022-0435.html
o https://bugzilla.suse.com/1071995
o https://bugzilla.suse.com/1124431
o https://bugzilla.suse.com/1167162
o https://bugzilla.suse.com/1169514
o https://bugzilla.suse.com/1172073
o https://bugzilla.suse.com/1177101
o https://bugzilla.suse.com/1179599
o https://bugzilla.suse.com/1184804
o https://bugzilla.suse.com/1185377
o https://bugzilla.suse.com/1186207
o https://bugzilla.suse.com/1186222
o https://bugzilla.suse.com/1187167
o https://bugzilla.suse.com/1189305
o https://bugzilla.suse.com/1189841
o https://bugzilla.suse.com/1190358
o https://bugzilla.suse.com/1190428
o https://bugzilla.suse.com/1191229
o https://bugzilla.suse.com/1191384
o https://bugzilla.suse.com/1191731
o https://bugzilla.suse.com/1192032
o https://bugzilla.suse.com/1192267
o https://bugzilla.suse.com/1192740
o https://bugzilla.suse.com/1192845
o https://bugzilla.suse.com/1192847
o https://bugzilla.suse.com/1192877
o https://bugzilla.suse.com/1192946
o https://bugzilla.suse.com/1193306
o https://bugzilla.suse.com/1193440
o https://bugzilla.suse.com/1193442
o https://bugzilla.suse.com/1193507
o https://bugzilla.suse.com/1193575
o https://bugzilla.suse.com/1193669
o https://bugzilla.suse.com/1193727
o https://bugzilla.suse.com/1193731
o https://bugzilla.suse.com/1193767
o https://bugzilla.suse.com/1193861
o https://bugzilla.suse.com/1193864
o https://bugzilla.suse.com/1193867
o https://bugzilla.suse.com/1194001
o https://bugzilla.suse.com/1194048
o https://bugzilla.suse.com/1194087
o https://bugzilla.suse.com/1194227
o https://bugzilla.suse.com/1194302
o https://bugzilla.suse.com/1194516
o https://bugzilla.suse.com/1194529
o https://bugzilla.suse.com/1194880
o https://bugzilla.suse.com/1194888
o https://bugzilla.suse.com/1194985
o https://bugzilla.suse.com/1195254
- --------------------------END INCLUDED TEXT--------------------
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