Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-50453: gpiolib: cdev: fix NULL-pointer dereferences bsc1250887. CVE-2023-53794: cifs: fix session state check in reconnect to avoid use-after-free issue...

CVE-2026-23267

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix ISCHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes During SPO tests, when mounting F2FS, an -EINVAL error was returned from f2fsrecoverinodepage. The issue occurred under th...

CVE-2026-23267 f2fs: fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix ISCHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes During SPO tests, when mounting F2FS, an -EINVAL error was returned from f2fsrecoverinodepage. The issue occurred under th...

CVE-2026-23267

The CVE-2026-23267 issue is a Linux kernel f2fs race where an IS_CHECKPOINTED flag inconsistency during atomic commits could cause an -EINVAL in f2fs_recover_inode_page. The root cause is a race between f2fs_ioc_commit_atomic_write and f2fs_write_checkpoint, with the last_folio’s nat_entry flag n...

CVE-2026-23267 f2fs: fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix ISCHECKPOINTED flag inconsistency issue caused by concurrent atomic commit and checkpoint writes During SPO tests, when mounting F2FS, an -EINVAL error was returned from f2fsrecoverinodepage. The issue occurred under th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg – Concurrent writes to afalgsendmsg are now disallowed. Issuing two writes to the same afalg socket is problematic, as the data will be interleaved in a unpredictable manner. Additionally, concurrent writes may caus...

Unbreakable Enterprise kernel security update

5.4.17-2136.352.5 - crypto: afalg - Fix incorrect boolean values in afalgctx Eric Biggers Orabug: 38879907 CVE-2025-40022 5.4.17-2136.352.4 - arm64: pensando: Must boot Ortano kernel with spin-table Rob Gardner Orabug: 38821197 5.4.17-2136.352.3 - net/sched: adjust device watchdog timer to detect...

Unbreakable Enterprise kernel security update

5.4.17-2136.351.3.2 - tipc: Fix use-after-free in tipcmonreinitself. Kuniyuki Iwashima Orabug: 38855323 CVE-2025-40280 - tipc: simplify the finalize work queue Xin Long Orabug: 38855323 - vsock: Ignore signal/timeout on connect if already established Michal Luczaj Orabug: 38855319 CVE-2025-40248 ...

PT-2026-26127

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue in the F2FS filesystem related to an inconsistency in the IS CHECKPOINTED flag. This occurs due to concurrent atomic commit and checkpoint writes...

CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

SUSE CVE-2025-68367

In the Linux kernel, the following vulnerability has been resolved: macintosh/machid: fix race condition in machidtoggleemumouse The following warning appears when running syzkaller, and this issue also exists in the mainline code. ------------ cut here ------------ listadd double add:...

CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

UBUNTU-CVE-2023-54068

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2023-54068 f2fs: compress: fix to call f2fs_wait_on_page_writeback() in f2fs_write_raw_pages()

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2023-54068 f2fs: compress: fix to call f2fs_wait_on_page_writeback() in f2fs_write_raw_pages()

In the Linux kernel, the following vulnerability has been resolved: f2fs: compress: fix to call f2fswaitonpagewriteback in f2fswriterawpages BUGON will be triggered when writing files concurrently, because the same page is writtenback multiple times. 1597 void folioendwritebackstruct folio folio...

CVE-2025-68367

In the Linux kernel, the following vulnerability has been resolved: macintosh/machid: fix race condition in machidtoggleemumouse The following warning appears when running syzkaller, and this issue also exists in the mainline code. ------------ cut here ------------ listadd double add:...

CVE-2025-68367 macintosh/mac_hid: fix race condition in mac_hid_toggle_emumouse

In the Linux kernel, the following vulnerability has been resolved: macintosh/machid: fix race condition in machidtoggleemumouse The following warning appears when running syzkaller, and this issue also exists in the mainline code. ------------ cut here ------------ listadd double add:...

CVE-2025-68367

CVE-2025-68367 is a Linux kernel race in mac_hid_toggle_emumouse where two processes concurrently write to mac_hid emulation, each reading old_val=0 outside the mutex and both registering the input handler, causing a double list_add. The fix moves the old_val read inside the mutex-protected regio...

PT-2025-53066

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the f2fs compression functionality. A bug in the handling of page writebacks in f2fs write raw pages can lead to a kernel panic BUG ON when files...