CVE-2026-63911

CVE-2026-63911 (Linux kernel xfrm/iptfs) : The vulnerability arises in how IPTFS mode data is cloned during SA cloning. iptfs_clone_state() duplicates runtime objects (e.g., sk_buff_head, hrtimers, spinlocks, reassembly/reorder state) via kmemdup, which must not be shared with the original SA. If...

CVE-2026-63911 xfrm: iptfs: reset runtime state when cloning SAs

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: reset runtime state when cloning SAs iptfsclonestate clones the IPTFS mode data with kmemdup. This copies runtime objects which must not be shared with the original SA, including the embedded skbuffhead, hrtimers,...

PT-2026-61231

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where the xfrm send migrate function in net/xfrm/xfrm user.c and the pfkey send migrate function in net/key/af key.c hardcode the &init net for...

PT-2026-61326

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write issue exists in the ESP component of the xfrm subsystem. The xfrm state mtu function performs arithmetic in unsigned modulo-2^32 space, subtracting an...

PT-2026-61236

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm input component where the network namespace netns is not properly held during deferred transport reinjection. The process stores a struct net pointer in skb-c...

Oracle Linux 8 : kernel (ELSA-2026-39179)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-39179 advisory. - xfrm: defensively unhash xfrmstate lists in xfrmstatedelete Sabrina Dubroca RHEL-180170 CVE-2026-46116 Tenable has extracted the preceding descripti...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

RHEL 7 : kernel (RHSA-2026:41235)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41235 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: sched: actcsum: validate...

RockyLinux 8 : kernel-rt (RLSA-2026:39180)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:39180 advisory. kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete...

RockyLinux 8 : kernel (RLSA-2026:39179)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:39179 advisory. kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete...

AlmaLinux 8 : kernel (ALSA-2026:39179)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:39179 advisory. kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

ALSA-2026:39179 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete CVE-2026-46116 kernel: XFS data corruption usi...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: CVE-2023-53995: net: ipv4: fix one memleak in inetdelifa bsc1255616. CVE-2026-23255: net: add proper RCU protection to /proc/net/ptype bsc1259891. CVE-2026-23451: bonding:...

RLSA-2026:36018 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath CVE-2026-43112 kernel: net: mana: Fix double destroyworkqueue on service rescan PCI path CVE-2026-43276 kernel: Linux kernel:...

Linux Distros Unpatched Vulnerability : CVE-2026-53363

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: iptfs: preserve shared-frag marker in iptfsconsumefrags iptfsconsumefrags transfers paged fragments from one socket buffer to another but fails to propaga...