SUSE-SU-2023:1895-1: important: Security update for the Linux Kernel

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Tue Apr 18 12:30:28 UTC 2023 


# Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:1895-1  
Rating: important  
References:

  * #1209687
  * #1210203

  
Cross-References:

  * CVE-2023-1611
  * CVE-2023-1838

  
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.

## Description:

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 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:

  * 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)
    * 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
  * openSUSE Leap 15.4 (aarch64 nosrc x86_64)
    * kernel-azure-5.14.21-150400.14.46.1
  * 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
  * 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-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
  * 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:

  * https://www.suse.com/security/cve/CVE-2023-1611.html
  * https://www.suse.com/security/cve/CVE-2023-1838.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1209687
  * https://bugzilla.suse.com/show_bug.cgi?id=1210203

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