Red Hat Security Advisory: kernel security update

Fixed packages 81

Vulnerabilities 2

• High 7.8
  CVE-2025-38129

  page_pool: Fix use-after-free in page_pool_recycle_in_ring

  In the Linux kernel, the following vulnerability has been resolved: page_pool: Fix use-after-free in page_pool_recycle_in_ring syzbot reported a uaf in page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockd…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 3, 2025
• High 7.8
  CVE-2025-40269

  ALSA: usb-audio: Fix potential overflow of PCM transfer buffer

  In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential overflow of PCM transfer buffer The PCM stream data in USB-audio driver is transferred over USB URB packet buffers, and each packet size is determined dynamical…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Dec 6, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2376034
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2419919
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4243.json
• report
  https://access.redhat.com/security/cve/CVE-2025-38129
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38129
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38129
• article
  https://lore.kernel.org/linux-cve-announce/2025070330-CVE-2025-38129-3c0e@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-40269
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-40269
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-40269
• article
  https://lore.kernel.org/linux-cve-announce/2025120716-CVE-2025-40269-9769@gregkh/T