Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2023.2224
Security update for the Linux Kernel
19 April 2023
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-1838 CVE-2023-1611
Original Bulletin:
https://www.suse.com/support/update/announcement/2023/suse-su-20231895-1
Comment: CVSS (Max): 5.5 CVE-2023-1838 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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Security update for the Linux Kernel
Announcement ID: SUSE-SU-2023:1895-1
Rating: important
o #1209687
References: o #1210203
o CVE-2023-1611
Cross-References: o CVE-2023-1838
o CVE-2023-1611 ( SUSE ): 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-1611 ( NVD ): 6.3 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:H/I:N/A:H
CVSS scores: o CVE-2023-1838 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:N/I:N/A:H
o CVE-2023-1838 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:N/A:H
o openSUSE Leap 15.4
o Public Cloud Module 15-SP4
o SUSE Linux Enterprise High Performance Computing 15 SP4
Affected o SUSE Linux Enterprise Server 15 SP4
Products: o SUSE Linux Enterprise Server for SAP Applications 15 SP4
o SUSE Manager Proxy 4.3
o SUSE Manager Retail Branch Server 4.3
o SUSE Manager Server 4.3
An update that solves two vulnerabilities can now be installed.
Description:
The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security
and bugfixes.
The following security bugs were fixed:
o CVE-2023-1611: Fixed an use-after-free flaw in btrfs_search_slot (bsc#
1209687).
o CVE-2023-1838: Fixed an use-after-free flaw in virtio network subcomponent.
This flaw could allow a local attacker to crash the system and lead to a
kernel information leak problem. (bsc#1210203).
The following non-security bugs were fixed:
o alarmtimer: Prevent starvation by small intervals and SIG_IGN (git-fixes)
o ALSA: asihpi: check pao in control_message() (git-fixes).
o ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set() (git-fixes).
o ALSA: hda/realtek: Add quirk for Clevo X370SNW (git-fixes).
o ALSA: hda/realtek: fix mute/micmute LEDs do not work for a HP platform
(git-fixes).
o ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook (git-fixes).
o ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds (git-fixes).
o can: isotp: isotp_ops: fix poll() to not report false EPOLLOUT events
(git-fixes).
o can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access
(git-fixes).
o cifs: double lock in cifs_reconnect_tcon() (git-fixes).
o clocksource/drivers/mediatek: Optimize systimer irq clear flow on shutdown
(git-fixes).
o drm/amd/display: Add DSC Support for Synaptics Cascaded MST Hub
(git-fixes).
o drm/etnaviv: fix reference leak when mmaping imported buffer (git-fixes).
o drm/panfrost: Fix the panfrost_mmu_map_fault_addr() error path (git-fixes).
o dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs (git-fixes).
o fbdev: au1200fb: Fix potential divide by zero (git-fixes).
o fbdev: intelfb: Fix potential divide by zero (git-fixes).
o fbdev: lxfb: Fix potential divide by zero (git-fixes).
o fbdev: nvidia: Fix potential divide by zero (git-fixes).
o fbdev: tgafb: Fix potential divide by zero (git-fixes).
o ftrace: Fix issue that 'direct->addr' not restored in modify_ftrace_direct
() (git-fixes).
o ftrace: Mark get_lock_parent_ip() __always_inline (git-fixes).
o gpio: davinci: Add irq chip flag to skip set wake (git-fixes).
o gpio: GPIO_REGMAP: select REGMAP instead of depending on it (git-fixes).
o iio: adc: ad7791: fix IRQ flags (git-fixes).
o iio: adc: ti-ads7950: Set can_sleep flag for GPIO chip (git-fixes).
o iio: adis16480: select CONFIG_CRC32 (git-fixes).
o iio: dac: cio-dac: Fix max DAC write value check for 12-bit (git-fixes).
o iio: light: cm32181: Unregister second I2C client if present (git-fixes).
o Input: focaltech - use explicitly signed char type (git-fixes).
o Input: goodix - add Lenovo Yoga Book X90F to nine_bytes_report DMI table
(git-fixes).
o kABI workaround for xhci (git-fixes).
o mm: mmap: remove newline at the end of the trace (git-fixes).
o mtd: rawnand: meson: fix bitmask for length in command word (git-fixes).
o mtd: rawnand: stm32_fmc2: remove unsupported EDO mode (git-fixes).
o mtd: rawnand: stm32_fmc2: use timings.mode instead of checking tRC_min
(git-fixes).
o mtdblock: tolerate corrected bit-flips (git-fixes).
o nilfs2: fix sysfs interface lifetime (git-fixes).
o platform/x86: think-lmi: Clean up display of current_value on Thinkstation
(git-fixes).
o platform/x86: think-lmi: Fix memory leak when showing current settings
(git-fixes).
o platform/x86: think-lmi: Fix memory leaks when parsing ThinkStation WMI
strings (git-fixes).
o pwm: cros-ec: Explicitly set .polarity in .get_state() (git-fixes).
o pwm: sprd: Explicitly set .polarity in .get_state() (git-fixes).
o rcu: Fix rcu_torture_read ftrace event (git-fixes).
o ring-buffer: Fix race while reader and writer are on the same page
(git-fixes).
o timers: Prevent union confusion from unexpected (git-fixes)
o tracing: Add trace_array_puts() to write into instance (git-fixes).
o tracing: Fix wrong return in kprobe_event_gen_test.c (git-fixes).
o tracing: Free error logs of tracing instances (git-fixes).
o tracing: Have tracing_snapshot_instance_cond() write errors to the
appropriate instance (git-fixes).
o tty: serial: fsl_lpuart: avoid checking for transfer complete when
UARTCTRL_SBK is asserted in lpuart32_tx_empty (git-fixes).
o tty: serial: sh-sci: Fix Rx on RZ/G2L SCI (git-fixes).
o tty: serial: sh-sci: Fix transmit end interrupt handler (git-fixes).
o usb: cdnsp: Fixes error: uninitialized symbol 'len' (git-fixes).
o usb: typec: altmodes/displayport: Fix configure initial pin assignment
(git-fixes).
o usb: ucsi: Fix ucsi->connector race (git-fixes).
o usb: xhci: tegra: fix sleep in atomic call (git-fixes).
o wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded
sta (git-fixes).
o wireguard: ratelimiter: use hrtimer in selftest (git-fixes)
o xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu
(git-fixes).
o xhci: Free the command allocated for setting LPM if we return early
(git-fixes).
Special Instructions and Notes:
o Please reboot the system after installing this update.
Patch Instructions:
To install this SUSE Important 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 openSUSE Leap 15.4
zypper in -t patch openSUSE-SLE-15.4-2023-1895=1
o Public Cloud Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2023-1895=1
Package List:
o openSUSE Leap 15.4 (aarch64 x86_64)
kselftests-kmp-azure-5.14.21-150400.14.46.1
kernel-azure-livepatch-devel-5.14.21-150400.14.46.1
cluster-md-kmp-azure-debuginfo-5.14.21-150400.14.46.1
kernel-azure-optional-debuginfo-5.14.21-150400.14.46.1
kernel-azure-devel-debuginfo-5.14.21-150400.14.46.1
kernel-azure-debugsource-5.14.21-150400.14.46.1
dlm-kmp-azure-debuginfo-5.14.21-150400.14.46.1
ocfs2-kmp-azure-5.14.21-150400.14.46.1
kernel-azure-devel-5.14.21-150400.14.46.1
ocfs2-kmp-azure-debuginfo-5.14.21-150400.14.46.1
kernel-azure-extra-debuginfo-5.14.21-150400.14.46.1
kernel-azure-extra-5.14.21-150400.14.46.1
gfs2-kmp-azure-debuginfo-5.14.21-150400.14.46.1
kselftests-kmp-azure-debuginfo-5.14.21-150400.14.46.1
kernel-azure-optional-5.14.21-150400.14.46.1
reiserfs-kmp-azure-5.14.21-150400.14.46.1
dlm-kmp-azure-5.14.21-150400.14.46.1
cluster-md-kmp-azure-5.14.21-150400.14.46.1
kernel-syms-azure-5.14.21-150400.14.46.1
gfs2-kmp-azure-5.14.21-150400.14.46.1
reiserfs-kmp-azure-debuginfo-5.14.21-150400.14.46.1
kernel-azure-debuginfo-5.14.21-150400.14.46.1
o openSUSE Leap 15.4 (aarch64 nosrc x86_64)
kernel-azure-5.14.21-150400.14.46.1
o openSUSE Leap 15.4 (noarch)
kernel-source-azure-5.14.21-150400.14.46.1
kernel-devel-azure-5.14.21-150400.14.46.1
o Public Cloud Module 15-SP4 (aarch64 nosrc x86_64)
kernel-azure-5.14.21-150400.14.46.1
o Public Cloud Module 15-SP4 (aarch64 x86_64)
kernel-azure-devel-debuginfo-5.14.21-150400.14.46.1
kernel-syms-azure-5.14.21-150400.14.46.1
kernel-azure-devel-5.14.21-150400.14.46.1
kernel-azure-debugsource-5.14.21-150400.14.46.1
kernel-azure-debuginfo-5.14.21-150400.14.46.1
o Public Cloud Module 15-SP4 (noarch)
kernel-source-azure-5.14.21-150400.14.46.1
kernel-devel-azure-5.14.21-150400.14.46.1
References:
o https://www.suse.com/security/cve/CVE-2023-1611.html
o https://www.suse.com/security/cve/CVE-2023-1838.html
o https://bugzilla.suse.com/show_bug.cgiid=1209687
o https://bugzilla.suse.com/show_bug.cgiid=1210203
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