Security update for the Linux Kernel

Announcement ID: SUSE-SU-2023:3006-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2023-20593 ( SUSE ): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-20593 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • CVE-2023-2985 ( SUSE ): 6.4 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-2985 ( NVD ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • CVE-2023-35001 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2023-35001 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Real Time 12 SP5
  • SUSE Linux Enterprise Server 12 SP5

An update that solves three vulnerabilities and has 60 security fixes can now be installed.

Description:

The SUSE Linux Enterprise 12 SP5 RT kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

  • CVE-2023-20593: Fixed a ZenBleed issue in "Zen 2" CPUs that could allow an attacker to potentially access sensitive information (bsc#1213286).
  • CVE-2023-2985: Fixed an use-after-free vulnerability in hfsplus_put_super in fs/hfsplus/super.c that could allow a local user to cause a denial of service (bsc#1211867).
  • CVE-2023-35001: Fixed an out-of-bounds memory access flaw in nft_byteorder that could allow a local attacker to escalate their privilege (bsc#1213059).

The following non-security bugs were fixed:

  • Get module prefix from kmod (bsc#1212835).
  • USB: add NO_LPM quirk for Realforce 87U Keyboard (git-fixes).
  • USB: core: add quirk for Alcor Link AK9563 smartcard reader (git-fixes).
  • USB: core: hub: Disable autosuspend for Cypress CY7C65632 (git-fixes).
  • USB: hcd-pci: Fully suspend across freeze/thaw cycle (git-fixes).
  • USB: hub: Add delay for SuperSpeed hub resume to let links transit to U0 (git-fixes).
  • USB: serial: option: add Fibocom FM160 0x0111 composition (git-fixes).
  • USB: serial: option: add Quectel EM05-G (GR) modem (git-fixes).
  • USB: serial: option: add Quectel EM05-G (RS) modem (git-fixes).
  • USB: serial: option: add Sierra Wireless EM9191 (git-fixes).
  • USB: serial: option: add u-blox LARA-R6 00B modem (git-fixes).
  • blkcg, writeback: dead memcgs shouldn't contribute to writeback ownership arbitration (bsc#1213022).
  • btrfs: fix resolving backrefs for inline extent followed by prealloc (bsc#1213133).
  • dlm: Delete an unnecessary variable initialisation in dlm_ls_start() (git-fixes).
  • dlm: NULL check before kmem_cache_destroy is not needed (git-fixes).
  • dlm: fix invalid cluster name warning (git-fixes).
  • dlm: fix missing idr_destroy for recover_idr (git-fixes).
  • dlm: fix missing lkb refcount handling (git-fixes).
  • dlm: fix plock invalid read (git-fixes).
  • dlm: fix possible call to kfree() for non-initialized pointer (git-fixes).
  • ext4: Fix reusing stale buffer heads from last failed mounting (bsc#1213020).
  • ext4: add inode table check in __ext4_get_inode_loc to aovid possible infinite loop (bsc#1207617).
  • ext4: avoid BUG_ON when creating xattrs (bsc#1205496).
  • ext4: avoid unaccounted block allocation when expanding inode (bsc#1207634).
  • ext4: bail out of ext4_xattr_ibody_get() fails for any reason (bsc#1213018).
  • ext4: fail ext4_iget if special inode unallocated (bsc#1213010).
  • ext4: fix RENAME_WHITEOUT handling for inline directories (bsc#1210766).
  • ext4: fix WARNING in ext4_update_inline_data (bsc#1213012).
  • ext4: fix bug_on in __es_tree_search caused by bad boot loader inode (bsc#1207620).
  • ext4: fix cgroup writeback accounting with fs-layer encryption (bsc#1210765).
  • ext4: fix deadlock due to mbcache entry corruption (bsc#1207653).
  • ext4: fix error code return to user-space in ext4_get_branch() (bsc#1207630).
  • ext4: fix i_disksize exceeding i_size problem in paritally written case (bsc#1213015).
  • ext4: fix to check return value of freeze_bdev() in ext4_shutdown() (bsc#1213021).
  • ext4: improve error recovery code paths in __ext4_remount() (bsc#1213017).
  • ext4: init quota for 'old.inode' in 'ext4_rename' (bsc#1207629).
  • ext4: initialize quota before expanding inode in setproject ioctl (bsc#1207633).
  • ext4: move where set the MAY_INLINE_DATA flag is set (bsc#1213011).
  • ext4: only update i_reserved_data_blocks on successful block allocation (bsc#1213019).
  • ext4: zero i_disksize when initializing the bootloader inode (bsc#1213013).
  • fs: dlm: cancel work sync othercon (git-fixes).
  • fs: dlm: filter user dlm messages for kernel locks (git-fixes).
  • fs: dlm: fix configfs memory leak (git-fixes).
  • fs: dlm: fix debugfs dump (git-fixes).
  • fs: dlm: fix memory leak when fenced (git-fixes).
  • fs: dlm: fix race between test_bit() and queue_work() (git-fixes).
  • fs: dlm: handle -EBUSY first in lock arg validation (git-fixes).
  • fs: fix guard_bio_eod to check for real EOD errors (bsc#1213042).
  • fs: prevent BUG_ON in submit_bh_wbc() (bsc#1212990).
  • fuse: revalidate: do not invalidate if interrupted (bsc#1213525).
  • igb: revert rtnl_lock() that causes deadlock (git-fixes).
  • include/trace/events/writeback.h: fix -Wstringop-truncation warnings (bsc#1213023).
  • inotify: Avoid reporting event with invalid wd (bsc#1213025).
  • jbd2: Fix statistics for the number of logged blocks (bsc#1212988).
  • jbd2: abort journal if free a async write error metadata buffer (bsc#1212989).
  • jbd2: fix assertion 'jh->b_frozen_data == NULL' failure when journal aborted (bsc#1202716).
  • jbd2: fix data races at struct journal_head (bsc#1173438).
  • jbd2: fix invalid descriptor block checksum (bsc#1212987).
  • jbd2: fix race when writing superblock (bsc#1212986).
  • jdb2: Do not refuse invalidation of already invalidated buffers (bsc#1213014).
  • kernel-docs: Add buildrequires on python3-base when using python3 The python3 binary is provided by python3-base.
  • kernel-docs: Use python3 together with python3-Sphinx (bsc#1212741).
  • lib/string: Add strscpy_pad() function (bsc#1213023).
  • mbcache: Fixup kABI of mb_cache_entry (bsc#1207653).
  • memcg: drop kmem.limit_in_bytes (bsc#1208788, bsc#1212905).
  • memcg: fix a crash in wb_workfn when a device disappears (bsc#1213023).
  • net: mana: Add support for vlan tagging (bsc#1212301).
  • ocfs2: check new file size on fallocate call (git-fixes).
  • ocfs2: fix use-after-free when unmounting read-only filesystem (git-fixes).
  • powerpc/mm/dax: Fix the condition when checking if altmap vmemap can cross-boundary (bsc#1150305 ltc#176097 git-fixes).
  • rpm/check-for-config-changes: ignore also PAHOLE_HAS_* We now also have options like CONFIG_PAHOLE_HAS_LANG_EXCLUDE.
  • s390/dasd: fix memleak in path handling error case (git-fixes bsc#1213221).
  • s390/perf: Change CPUM_CF return code in event init function (git-fixes bsc#1213344).
  • s390/perf: Return error when debug_register fails (git-fixes bsc#1212657).
  • s390: limit brk randomization to 32MB (git-fixes bsc#1213346).
  • uas: add no-uas quirk for Hiksemi usb_disk (git-fixes).
  • uas: ignore UAS for Thinkplus chips (git-fixes).
  • ubi: Fix failure attaching when vid_hdr offset equals to (sub)page size (bsc#1210584).
  • ubi: ensure that VID header offset + VID header size <= alloc, size (bsc#1210584).
  • udf: Avoid double brelse() in udf_rename() (bsc#1213032).
  • udf: Check consistency of Space Bitmap Descriptor (bsc#1210771).
  • udf: Define EFSCORRUPTED error code (bsc#1213038).
  • udf: Discard preallocation before extending file with a hole (bsc#1213036).
  • udf: Do not bother looking for prealloc extents if i_lenExtents matches i_size (bsc#1213035).
  • udf: Do not bother merging very long extents (bsc#1213040).
  • udf: Do not update file length for failed writes to inline files (bsc#1213041).
  • udf: Drop unused arguments of udf_delete_aext() (bsc#1213033).
  • udf: Fix extending file within last block (bsc#1213037).
  • udf: Fix preallocation discarding at indirect extent boundary (bsc#1213034).
  • udf: Truncate added extents on failed expansion (bsc#1213039).
  • usb-storage: Add Hiksemi USB3-FW to IGNORE_UAS (git-fixes).
  • usrmerge: Adjust module path in the kernel sources (bsc#1212835).
  • vfio-ccw: Do not call flush_workqueue while holding the spinlock (git-fixes bsc#1213218).
  • vfio-ccw: fence off transport mode (git-fixes bsc#1213215).
  • writeback: fix call of incorrect macro (bsc#1213024).
  • x86/bugs: Enable STIBP for JMP2RET (git-fixes).
  • x86/bugs: Remove apostrophe typo (git-fixes).
  • x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts (git-fixes).
  • x86/cpu: Load microcode during restore_processor_state() (git-fixes).
  • x86/delay: Fix the wrong asm constraint in delay_loop() (git-fixes).
  • x86/speculation/mmio: Print SMT warning (git-fixes).
  • x86: Fix return value of __setup handlers (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:

  • SUSE Linux Enterprise Real Time 12 SP5
    zypper in -t patch SUSE-SLE-RT-12-SP5-2023-3006=1

Package List:

  • SUSE Linux Enterprise Real Time 12 SP5 (x86_64)
    • ocfs2-kmp-rt-debuginfo-4.12.14-10.133.1
    • dlm-kmp-rt-4.12.14-10.133.1
    • ocfs2-kmp-rt-4.12.14-10.133.1
    • cluster-md-kmp-rt-debuginfo-4.12.14-10.133.1
    • kernel-rt-devel-debuginfo-4.12.14-10.133.1
    • kernel-rt_debug-devel-debuginfo-4.12.14-10.133.1
    • kernel-rt-debugsource-4.12.14-10.133.1
    • dlm-kmp-rt-debuginfo-4.12.14-10.133.1
    • kernel-rt-base-4.12.14-10.133.1
    • gfs2-kmp-rt-4.12.14-10.133.1
    • kernel-rt-debuginfo-4.12.14-10.133.1
    • kernel-rt_debug-debuginfo-4.12.14-10.133.1
    • gfs2-kmp-rt-debuginfo-4.12.14-10.133.1
    • cluster-md-kmp-rt-4.12.14-10.133.1
    • kernel-rt-base-debuginfo-4.12.14-10.133.1
    • kernel-rt-devel-4.12.14-10.133.1
    • kernel-rt_debug-devel-4.12.14-10.133.1
    • kernel-rt_debug-debugsource-4.12.14-10.133.1
    • kernel-syms-rt-4.12.14-10.133.1
  • SUSE Linux Enterprise Real Time 12 SP5 (noarch)
    • kernel-source-rt-4.12.14-10.133.1
    • kernel-devel-rt-4.12.14-10.133.1
  • SUSE Linux Enterprise Real Time 12 SP5 (nosrc x86_64)
    • kernel-rt_debug-4.12.14-10.133.1
    • kernel-rt-4.12.14-10.133.1

References: