Red Hat Security Advisory: kernel security update

Fixed packages 81

Vulnerabilities 2

• High 7.8
  CVE-2025-37738

  ext4: ignore xattrs past end

  In the Linux kernel, the following vulnerability has been resolved: ext4: ignore xattrs past end Once inside 'ext4_xattr_inode_dec_ref_all' we should ignore xattrs entries past the 'end' entry. This fixes the following KASAN reported issue: ==================…

  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

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2356613
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2363305
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_13099.json
• 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-2025-37738
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37738
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37738
• article
  https://lore.kernel.org/linux-cve-announce/2025050132-CVE-2025-37738-deb1@gregkh/T