Red Hat Security Advisory: kernel security update

Fixed packages 70

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
• Critical 9.8
  CVE-2025-38211

  RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction

  In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix use-after-free of work objects after cm_id destruction The commit 59c68ac31e15 ("iw_cm: free cm_id resources on the last deref") simplified cm_id resource management by freeing…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 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
• Unscored —
  CVE-2025-22058

  udp: Fix memory accounting leak.

  In the Linux kernel, the following vulnerability has been resolved: udp: Fix memory accounting leak. Matt Dowling reported a weird UDP memory usage issue. Under normal operation, the UDP memory usage reported in /proc/net/sockstat remains close to zero. Howev…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 16, 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=2360276
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2376406
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2382581
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_15669.json
• report
  https://access.redhat.com/security/cve/CVE-2025-22058
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22058
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22058
• article
  https://lore.kernel.org/linux-cve-announce/2025041606-CVE-2025-22058-045a@gregkh/T
• 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-2025-38211
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-38211
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-38211
• article
  https://lore.kernel.org/linux-cve-announce/2025070422-CVE-2025-38211-215a@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