PT-2026-72638

In the Linux kernel, the following vulnerability has been resolved: xfrm: validate selector family and prefixlen during match syzbot reported a shift-out-of-bounds in xfrm selector match due to AF UNSPEC selector with large prefixlen e.g. 128 matched against IPv4 flow when XFRM STATE AF UNSPEC is...

PT-2026-72324

In the Linux kernel, the following vulnerability has been resolved: xfrm: xfrm interface: require CAP NET ADMIN in the device netns for changelink xfrmi changelink operates on at most two netns, dev netdev and the interface link netns xi-net. They differ once the device is created in or moved to ...

PT-2026-72639

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix xfrm state cache insertion race The xfrm input state cache insertion code checks the validity of the state before acquiring the global xfrm state lock. Thus it's possible for someone else to kill the state after it pass...

Linux Distros Unpatched Vulnerability : CVE-2026-72463

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: Fix dev use-after-free in xfrm async resumption xfrm async resumption hold skb-dev refcnt until after transportfinish. However, xfrmrcvcb may modify skb-d...

PT-2026-72651

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the xfrm async resumption process. The system holds the skb-dev reference count until after transport finish. However, the xfrm rcv cb function, such as...

USN-8529-2: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8548-2: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8530-2: Linux kernel (HWE) vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8530-2 linux-aws-hwe vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

openSUSE 16: cluster-md-kmp-64kb / cluster-md-kmp-azure / cluster-md-kmp-default / etc (openSUSE-SU-2026:21555-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21555-1 advisory. The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-23259:...

SUSE-SU-2026:3602-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-46056: Bluetooth: hcievent: fix potential UAF in SSP passkey handlers bsc1267435. - CVE-2026-46193: xfrm: ah: account for ESN high bits in async callbacks...

OPENSUSE-SU-2026:21555-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-23259: iouring/rw: free potentially allocated iovec on cache put failure bsc1259866. - CVE-2026-31443: dmaengine: idxd: Fix crash when the event log is disabled...

Linux Distros Unpatched Vulnerability : CVE-2026-68415

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: clear mode callbacks after failed mode setup xfrmstategctask can run long after a failed IPTFS state setup. In the reproduced case, xfrminitstate cached...

Linux Distros Unpatched Vulnerability : CVE-2026-68420

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: reject optional IPTFS templates in outbound policies syzbot reported a stack-out-of-bounds read in xfrmstatefind which flows from xfrmtmplresolveone. Comm...

SUSE CVE-2026-68426

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix stale skb-prev after async crypto steals a GSO segment skbgsosegment leaves the segment list head with -prev pointing at the last segment, an invariant validatexmitskblist relies on when it sets its tail pointer tail =...

SUSE-SU-2026:23068-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 16.0 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-23259: iouring/rw: free potentially allocated iovec on cache put failure bsc1259866. - CVE-2026-31443: dmaengine: idxd: Fix crash when the event log is disabled...

CVE-2026-68415

A flaw was found in the Linux kernel's xfrm IPSec framework component. A vulnerability exists where the xfrmstategctask can attempt to dereference stale callback data after a failed Internet Protocol Traffic Flow Security IPTFS state setup and subsequent module unload. This can lead to a kernel...

CVE-2026-68420

A flaw was found in the Linux kernel's xfrm component. A local user could trigger a stack-out-of-bounds read by configuring an outbound Internet Protocol Security IPsec policy with optional IPsec Flow Template Specification IPTFS templates. This vulnerability can lead to a system crash, resulting...

CVE-2026-68426

A flaw was found in the Linux kernel's xfrm subsystem. This vulnerability arises when asynchronous cryptographic operations incorrectly handle network packet segments, leaving a pointer to memory that has already been released. An attacker could potentially exploit this use-after-free condition t...

AZL-95039 CVE-2026-68426 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix stale skb-prev after async crypto steals a GSO segment skbgsosegment leaves the segment list head with -prev pointing at the last segment, an invariant validatexmitskblist relies on when it sets its tail pointer tail =...