Red Hat Security Advisory: kernel security update

Fixed packages 47

Vulnerabilities 6

• High 7.8
  CVE-2022-49995

  writeback: avoid use-after-free after removing device

  In the Linux kernel, the following vulnerability has been resolved: writeback: avoid use-after-free after removing device When a disk is removed, bdi_unregister gets called to stop further writeback and wait for associated delayed work to complete. However, w…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 18, 2025
• High 7.8
  CVE-2025-23150

  ext4: fix off-by-one error in do_split

  In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in do_split Syzkaller detected a use-after-free issue in ext4_insert_dentry that was caused by out-of-bounds access due to incorrect splitting in do_split. BUG: KAS…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 1, 2025
• High 7.1
  CVE-2025-21905

  wifi: iwlwifi: limit printed string from FW file

  In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: limit printed string from FW file There's no guarantee here that the file is always with a NUL-termination, so reading the string may read beyond the end of the TLV. If that's …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 1, 2025
• Unscored —
  CVE-2024-57980

  media: uvcvideo: Fix double free in error path

  In the Linux kernel, the following vulnerability has been resolved: media: uvcvideo: Fix double free in error path If the uvc_status_init() function fails to allocate the int_urb, it will free the dev->status pointer but doesn't reset the pointer to NULL. Thi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Feb 27, 2025
• Unscored —
  CVE-2025-22113

  ext4: avoid journaling sb update on error if journal is destroying

  In the Linux kernel, the following vulnerability has been resolved: ext4: avoid journaling sb update on error if journal is destroying Presently we always BUG_ON if trying to start a transaction on a journal marked with JBD2_UNMOUNT, since this should never h…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 16, 2025
• Unscored —
  CVE-2025-37958

  mm/huge_memory: fix dereferencing invalid pmd migration entry

  In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: fix dereferencing invalid pmd migration entry When migrating a THP, concurrent access to the PMD migration entry during a deferred split scan can lead to an invalid address ac…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 20, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2348599
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2356613
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360212
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2363268
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2367572
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2373560
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_12526.json
• report
  https://access.redhat.com/security/cve/CVE-2022-49995
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-49995
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-49995
• article
  https://lore.kernel.org/linux-cve-announce/2025061826-CVE-2022-49995-2d74@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2024-57980
• advisory
  https://www.cve.org/CVERecord?id=CVE-2024-57980
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2024-57980
• article
  https://lore.kernel.org/linux-cve-announce/2025022634-CVE-2024-57980-4b5a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-21905
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-21905
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-21905
• article
  https://lore.kernel.org/linux-cve-announce/2025040129-CVE-2025-21905-348b@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22113
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22113
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22113
• article
  https://lore.kernel.org/linux-cve-announce/2025041625-CVE-2025-22113-34cd@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-23150
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-23150
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-23150
• article
  https://lore.kernel.org/linux-cve-announce/2025050127-CVE-2025-23150-15b8@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-37958
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37958
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37958
• article
  https://lore.kernel.org/linux-cve-announce/2025052003-CVE-2025-37958-02de@gregkh/T