Red Hat Security Advisory: kernel security update

Fixed packages 49

Vulnerabilities 3

• High 8.8
  CVE-2023-53226

  wifi: mwifiex: Fix OOB and integer underflow when rx packets

  In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Sep 15, 2025
• High 7.8
  CVE-2022-50406

  iomap: iomap: fix memory corruption when recording errors during writeback

  In the Linux kernel, the following vulnerability has been resolved: iomap: iomap: fix memory corruption when recording errors during writeback Every now and then I see this crash on arm64: Unable to handle kernel NULL pointer dereference at virtual address 00…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Sep 18, 2025
• High 7.8
  CVE-2025-39697

  NFS: Fix a race when updating an existing write

  In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a race when updating an existing write After nfs_lock_and_join_requests() tests for whether the request is still attached to the mapping, nothing prevents a call to nfs_inode_remove_…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Sep 5, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2393481
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2395420
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2396538
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_22998.json
• report
  https://access.redhat.com/security/cve/CVE-2022-50406
• advisory
  https://www.cve.org/CVERecord?id=CVE-2022-50406
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2022-50406
• article
  https://git.kernel.org/stable/c/3d5f3ba1ac28059bdf7000cae2403e4e984308d2
• article
  https://git.kernel.org/stable/c/7308591d9c7787aec58f6a01a7823f14e90db7a2
• article
  https://git.kernel.org/stable/c/82c66c46f73b88be74c869e2cbfef45281adf3c6
• report
  https://access.redhat.com/security/cve/CVE-2023-53226
• advisory
  https://www.cve.org/CVERecord?id=CVE-2023-53226
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2023-53226
• article
  https://lore.kernel.org/linux-cve-announce/2025091513-CVE-2023-53226-a44a@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-39697
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-39697
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-39697
• article
  https://lore.kernel.org/linux-cve-announce/2025090548-CVE-2025-39697-5284@gregkh/T