Red Hat Security Advisory: kernel security, bug fix, and enhancement update

Fixed packages 90

Vulnerabilities 8

• High 7.8
  CVE-2026-53362 Exploited Public exploit

  ipv6: account for fraggap on the paged allocation path

  In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branch is taken (MSG_MORE / NETIF_F_SG / large fraglen), alloclen and pagedlen are com…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jul 4, 2026

  KEV Aug 27, 2026
• Critical 9.3
  CVE-2026-46316 Public exploit

  KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry

  In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgic_its_invalidate_cache() walks the per-ITS translation cache with xa_for_each() and drops the cache's r…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jun 9, 2026
• Critical 9.1
  CVE-2025-10263 Public exploit

  Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X…

  Arm Cortex-X925 Cortex-X3 Neoverse V3 Debian Ubuntu Alpine
  Jun 9, 2026
• Critical 9.1
  CVE-2026-46244

  netfilter: nft_inner: Fix IPv6 inner_thoff desync

  In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_inner: Fix IPv6 inner_thoff desync In nft_inner_parse_l2l3(), when processing inner IPv6 packets, ipv6_find_hdr() correctly computes the transport header offset traversing all …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  Jun 3, 2026
• High 8.8
  CVE-2026-43112

  fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

  In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only delimiters (e.g., "/"), the current logic …

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  May 6, 2026
• High 7.8
  CVE-2026-46209

  drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs()

  In the Linux kernel, the following vulnerability has been resolved: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() drm_gem_fb_init_with_funcs() computes sub-sampled plane dimensions using plain integer division: unsigned…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 28, 2026
• High 7.8
  CVE-2026-53366

  ipv4: account for fraggap on the paged allocation path

  In the Linux kernel, the following vulnerability has been resolved: ipv4: account for fraggap on the paged allocation path In __ip_append_data(), when the paged-allocation branch is taken, alloclen and pagedlen are computed as alloclen = fragheaderlen + trans…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu
  Jul 16, 2026
• High 7.0
  CVE-2026-45998

  rxrpc: Fix potential UAF after skb_unshare() failure

  In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix potential UAF after skb_unshare() failure If skb_unshare() fails to unshare a packet due to allocation failure in rxrpc_input_packet(), the skb pointer in the parent (rxrpc_io_thre…

  Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  May 27, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2467015
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2482024
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2482636
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2484451
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2486958
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2486982
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2495904
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_34911.json
• report
  https://access.redhat.com/security/cve/CVE-2025-10263
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-10263
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-10263
• article
  https://developer.arm.com/documentation/112137
• report
  https://access.redhat.com/security/cve/CVE-2026-43112
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-43112
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-43112
• article
  https://lore.kernel.org/linux-cve-announce/2026050625-CVE-2026-43112-f37f@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-45998
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-45998
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-45998
• article
  https://lore.kernel.org/linux-cve-announce/2026052741-CVE-2026-45998-6b5d@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-46209
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-46209
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-46209
• article
  https://lore.kernel.org/linux-cve-announce/2026052834-CVE-2026-46209-e4e9@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-46244
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-46244
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-46244
• article
  https://lore.kernel.org/linux-cve-announce/2026060309-CVE-2026-46244-e8d7@gregkh/T
• report
  https://access.redhat.com/security/cve/CVE-2026-46316
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-46316
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-46316
• article
  https://lore.kernel.org/linux-cve-announce/2026060936-CVE-2026-46316-f761@gregkh/T
• article
  https://www.openwall.com/lists/oss-security/2026/06/10/16
• report
  https://access.redhat.com/security/cve/CVE-2026-53362
• article
  https://access.redhat.com/security/vulnerabilities/RHSB-2026-009
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-53362
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-53362
• article
  https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=736b380e28d0