Red Hat Security Advisory: kernel security update

Fixed packages 160

Vulnerabilities 6

• High 8.8
  CVE-2025-37943

  wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi

  In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix invalid data access in ath12k_dp_rx_h_undecap_nwifi In certain cases, hardware might provide packets with a length greater than the maximum native Wi-Fi header length. This …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 20, 2025
• High 7.8
  CVE-2025-21926

  net: gso: fix ownership in __udp_gso_segment

  In the Linux kernel, the following vulnerability has been resolved: net: gso: fix ownership in __udp_gso_segment In __udp_gso_segment the skb destructor is removed before segmenting the skb but the socket reference is kept as-is. This is an issue if the origi…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Apr 1, 2025
• High 7.8
  CVE-2025-37785

  ext4: fix OOB read when checking dotdot dir

  In the Linux kernel, the following vulnerability has been resolved: ext4: fix OOB read when checking dotdot dir Mounting a corrupted filesystem with directory which contains '.' dir entry with rec_len == block size results in out-of-bounds read (later on, whe…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 18, 2025
• High 7.1
  CVE-2025-21920

  vlan: enforce underlying device type

  In the Linux kernel, the following vulnerability has been resolved: vlan: enforce underlying device type Currently, VLAN devices can be created on top of non-ethernet devices. Besides the fact that it doesn't make much sense, this also causes a bug which leak…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 1, 2025
• High 7.1
  CVE-2025-22055

  net: fix geneve_opt length integer overflow

  In the Linux kernel, the following vulnerability has been resolved: net: fix geneve_opt length integer overflow struct geneve_opt uses 5 bit length for each single option, which means every vary size option should be smaller than 128 bytes. However, all curre…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Apr 16, 2025
• Medium 5.5
  CVE-2025-21997

  xsk: fix an integer overflow in xp_create_and_assign_umem()

  In the Linux kernel, the following vulnerability has been resolved: xsk: fix an integer overflow in xp_create_and_assign_umem() Since the i and pool->chunk_size variables are of type 'u32', their product can wrap around and then be cast to 'u64'. This can lea…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Apr 3, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2356587
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2356639
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2357143
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360300
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2360921
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2367748
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8643.json
• report
  https://access.redhat.com/security/cve/CVE-2025-21920
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-21920
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-21920
• article
  https://lore.kernel.org/linux-cve-announce/2025040131-CVE-2025-21920-08ff@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-21926
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-21926
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-21926
• article
  https://lore.kernel.org/linux-cve-announce/2025040132-CVE-2025-21926-fd40@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-21997
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-21997
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-21997
• article
  https://lore.kernel.org/linux-cve-announce/2025040348-CVE-2025-21997-492c@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-22055
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-22055
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-22055
• article
  https://lore.kernel.org/linux-cve-announce/2025041605-CVE-2025-22055-e898@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-37785
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37785
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37785
• article
  https://lore.kernel.org/linux-cve-announce/2025041813-CVE-2025-37785-e13d@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2025-37943
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-37943
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-37943
• article
  https://lore.kernel.org/linux-cve-announce/2025052043-CVE-2025-37943-9cf8@gregkh/T