CVE-2026-63919

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63919

The CVE-2026-63919 entry concerns the Linux kernel's xfrm input path and deferred transport reinjection. The vulnerability stems from storing a struct net pointer in skb->cb and later using it in xfrm_trans_reinject() without ensuring the netns lifetime, risking dereferencing a torn-down names...

EUVD-2026-45692

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63919 xfrm: input: hold netns during deferred transport reinjection

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

CVE-2026-63914

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

EUVD-2026-45687

In the Linux kernel, the following vulnerability has been resolved: xfrm: route MIGRATE notifications to caller's netns xfrmsendmigrate in net/xfrm/xfrmuser.c and pfkeysendmigrate in net/key/afkey.c both hardcode &initnet for the multicast that announces a successful XFRMMSGMIGRATE / SADBXMIGRATE...

CVE-2026-63912 xfrm: esp: restore combined single-frag length gate

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

CVE-2026-63912

In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: restore combined single-frag length gate The ESP out-of-place fast path appends the trailer in espoutputhead before espoutputtail allocates the destination page frag. The head-side gate currently checks skb-datalen and...

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

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,...

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-2026-61326

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-2026-61231

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-2026-61236

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...

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 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...

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...