Red Hat Security Advisory: kernel security update

Fixed packages 159

Vulnerabilities 4

• High 7.8
  CVE-2025-38352 Exploited Public exploit

  posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del()

  In the Linux kernel, the following vulnerability has been resolved: posix-cpu-timers: fix race between handle_posix_cpu_timers() and posix_cpu_timer_del() If an exiting non-autoreaping task has already passed exit_notify() and calls handle_posix_cpu_timers() …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 22, 2025

  KEV Sep 4, 2025
• High 7.8
  CVE-2025-22097

  drm/vkms: Fix use after free and double free on init error

  In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix use after free and double free on init error If the driver initialization fails, the vkms_exit() function might access an uninitialized or freed default_config pointer and it mi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 16, 2025
• High 7.8
  CVE-2025-38449

  drm/gem: Acquire references on GEM handles for framebuffers

  In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer. This leads to the release of the dma-buf…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 25, 2025
• Unscored —
  CVE-2025-38332

  scsi: lpfc: Use memcpy() for BIOS version

  In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Use memcpy() for BIOS version The strlcat() with FORTIFY support is triggering a panic because it thinks the target buffer will overflow although the correct target buffer size is…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 10, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360223
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2379246
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2382581
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2383519
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15661.json
• report
  https://access.redhat.com/security/cve/CVE-2025-22097
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22097
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22097
• article
  https://lore.kernel.org/linux-cve-announce/2025041619-CVE-2025-22097-d4f5@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38332
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38332
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38332
• article
  https://lore.kernel.org/linux-cve-announce/2025071033-CVE-2025-38332-9590@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-38352
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38352
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38352
• article
  https://kernelcve.org/list/?q=CVE-2025-38352
• article
  https://lore.kernel.org/linux-cve-announce/2025072229-CVE-2025-38352-f1de@gregkh/T
• article
  https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• report
  https://access.redhat.com/security/cve/CVE-2025-38449
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38449
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38449
• article
  https://lore.kernel.org/linux-cve-announce/2025072504-CVE-2025-38449-cbf0@gregkh/T