Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:1895-1
Rating: important
CVSS scores:
  • 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
  • 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
  • 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
  • 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
Affected Products:
  • openSUSE Leap 15.4
  • Public Cloud Module 15-SP4
  • SUSE Linux Enterprise High Performance Computing 15 SP4
  • SUSE Linux Enterprise Server 15 SP4
  • SUSE Linux Enterprise Server for SAP Applications 15 SP4
  • SUSE Manager Proxy 4.3
  • SUSE Manager Retail Branch Server 4.3
  • SUSE Manager Server 4.3

An update that solves two vulnerabilities can now be installed.


The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2023-1611: Fixed an use-after-free flaw in btrfs_search_slot (bsc#1209687).
  • 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:

  • alarmtimer: Prevent starvation by small intervals and SIG_IGN (git-fixes)
  • ALSA: asihpi: check pao in control_message() (git-fixes).
  • ALSA: hda/ca0132: fixup buffer overrun at tuning_ctl_set() (git-fixes).
  • ALSA: hda/realtek: Add quirk for Clevo X370SNW (git-fixes).
  • ALSA: hda/realtek: fix mute/micmute LEDs do not work for a HP platform (git-fixes).
  • ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook (git-fixes).
  • ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds (git-fixes).
  • can: isotp: isotp_ops: fix poll() to not report false EPOLLOUT events (git-fixes).
  • can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access (git-fixes).
  • cifs: double lock in cifs_reconnect_tcon() (git-fixes).
  • clocksource/drivers/mediatek: Optimize systimer irq clear flow on shutdown (git-fixes).
  • drm/amd/display: Add DSC Support for Synaptics Cascaded MST Hub (git-fixes).
  • drm/etnaviv: fix reference leak when mmaping imported buffer (git-fixes).
  • drm/panfrost: Fix the panfrost_mmu_map_fault_addr() error path (git-fixes).
  • dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs (git-fixes).
  • fbdev: au1200fb: Fix potential divide by zero (git-fixes).
  • fbdev: intelfb: Fix potential divide by zero (git-fixes).
  • fbdev: lxfb: Fix potential divide by zero (git-fixes).
  • fbdev: nvidia: Fix potential divide by zero (git-fixes).
  • fbdev: tgafb: Fix potential divide by zero (git-fixes).
  • ftrace: Fix issue that 'direct->addr' not restored in modify_ftrace_direct() (git-fixes).
  • ftrace: Mark get_lock_parent_ip() __always_inline (git-fixes).
  • gpio: davinci: Add irq chip flag to skip set wake (git-fixes).
  • gpio: GPIO_REGMAP: select REGMAP instead of depending on it (git-fixes).
  • iio: adc: ad7791: fix IRQ flags (git-fixes).
  • iio: adc: ti-ads7950: Set can_sleep flag for GPIO chip (git-fixes).
  • iio: adis16480: select CONFIG_CRC32 (git-fixes).
  • iio: dac: cio-dac: Fix max DAC write value check for 12-bit (git-fixes).
  • iio: light: cm32181: Unregister second I2C client if present (git-fixes).
  • Input: focaltech - use explicitly signed char type (git-fixes).
  • Input: goodix - add Lenovo Yoga Book X90F to nine_bytes_report DMI table (git-fixes).
  • kABI workaround for xhci (git-fixes).
  • mm: mmap: remove newline at the end of the trace (git-fixes).
  • mtd: rawnand: meson: fix bitmask for length in command word (git-fixes).
  • mtd: rawnand: stm32_fmc2: remove unsupported EDO mode (git-fixes).
  • mtd: rawnand: stm32_fmc2: use timings.mode instead of checking tRC_min (git-fixes).
  • mtdblock: tolerate corrected bit-flips (git-fixes).
  • nilfs2: fix sysfs interface lifetime (git-fixes).
  • platform/x86: think-lmi: Clean up display of current_value on Thinkstation (git-fixes).
  • platform/x86: think-lmi: Fix memory leak when showing current settings (git-fixes).
  • platform/x86: think-lmi: Fix memory leaks when parsing ThinkStation WMI strings (git-fixes).
  • pwm: cros-ec: Explicitly set .polarity in .get_state() (git-fixes).
  • pwm: sprd: Explicitly set .polarity in .get_state() (git-fixes).
  • rcu: Fix rcu_torture_read ftrace event (git-fixes).
  • ring-buffer: Fix race while reader and writer are on the same page (git-fixes).
  • timers: Prevent union confusion from unexpected (git-fixes)
  • tracing: Add trace_array_puts() to write into instance (git-fixes).
  • tracing: Fix wrong return in kprobe_event_gen_test.c (git-fixes).
  • tracing: Free error logs of tracing instances (git-fixes).
  • tracing: Have tracing_snapshot_instance_cond() write errors to the appropriate instance (git-fixes).
  • tty: serial: fsl_lpuart: avoid checking for transfer complete when UARTCTRL_SBK is asserted in lpuart32_tx_empty (git-fixes).
  • tty: serial: sh-sci: Fix Rx on RZ/G2L SCI (git-fixes).
  • tty: serial: sh-sci: Fix transmit end interrupt handler (git-fixes).
  • usb: cdnsp: Fixes error: uninitialized symbol 'len' (git-fixes).
  • usb: typec: altmodes/displayport: Fix configure initial pin assignment (git-fixes).
  • usb: ucsi: Fix ucsi->connector race (git-fixes).
  • usb: xhci: tegra: fix sleep in atomic call (git-fixes).
  • wifi: mac80211: fix invalid drv_sta_pre_rcu_remove calls for non-uploaded sta (git-fixes).
  • wireguard: ratelimiter: use hrtimer in selftest (git-fixes)
  • xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu (git-fixes).
  • xhci: Free the command allocated for setting LPM if we return early (git-fixes).

Special Instructions and Notes:

  • Please reboot the system after installing this update.

Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

  • openSUSE Leap 15.4
    zypper in -t patch openSUSE-SLE-15.4-2023-1895=1
  • Public Cloud Module 15-SP4
    zypper in -t patch SUSE-SLE-Module-Public-Cloud-15-SP4-2023-1895=1

Package List:

  • openSUSE Leap 15.4 (aarch64 x86_64)
    • dlm-kmp-azure-5.14.21-150400.14.46.1
    • gfs2-kmp-azure-5.14.21-150400.14.46.1
    • kernel-azure-extra-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-livepatch-devel-5.14.21-150400.14.46.1
    • kernel-azure-optional-debuginfo-5.14.21-150400.14.46.1
    • dlm-kmp-azure-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-optional-5.14.21-150400.14.46.1
    • kernel-syms-azure-5.14.21-150400.14.46.1
    • cluster-md-kmp-azure-debuginfo-5.14.21-150400.14.46.1
    • ocfs2-kmp-azure-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-extra-5.14.21-150400.14.46.1
    • kernel-azure-devel-debuginfo-5.14.21-150400.14.46.1
    • gfs2-kmp-azure-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-devel-5.14.21-150400.14.46.1
    • ocfs2-kmp-azure-5.14.21-150400.14.46.1
    • kernel-azure-debugsource-5.14.21-150400.14.46.1
    • kselftests-kmp-azure-debuginfo-5.14.21-150400.14.46.1
    • cluster-md-kmp-azure-5.14.21-150400.14.46.1
    • kselftests-kmp-azure-5.14.21-150400.14.46.1
    • reiserfs-kmp-azure-5.14.21-150400.14.46.1
    • reiserfs-kmp-azure-debuginfo-5.14.21-150400.14.46.1
  • openSUSE Leap 15.4 (aarch64 nosrc x86_64)
    • kernel-azure-5.14.21-150400.14.46.1
  • openSUSE Leap 15.4 (noarch)
    • kernel-devel-azure-5.14.21-150400.14.46.1
    • kernel-source-azure-5.14.21-150400.14.46.1
  • Public Cloud Module 15-SP4 (aarch64 nosrc x86_64)
    • kernel-azure-5.14.21-150400.14.46.1
  • Public Cloud Module 15-SP4 (aarch64 x86_64)
    • kernel-azure-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-debugsource-5.14.21-150400.14.46.1
    • kernel-syms-azure-5.14.21-150400.14.46.1
    • kernel-azure-devel-debuginfo-5.14.21-150400.14.46.1
    • kernel-azure-devel-5.14.21-150400.14.46.1
  • Public Cloud Module 15-SP4 (noarch)
    • kernel-devel-azure-5.14.21-150400.14.46.1
    • kernel-source-azure-5.14.21-150400.14.46.1