CVE-2026-53239 xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx()

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: fix use-after-free on inexact bin in xfrmpolicybyselctx Fix the race by pruning the bin while still holding xfrmpolicylock, before dropping it. Use xfrmpolicyinexactprunebin directly since the lock is already held...

CVE-2026-53240

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: fix use-after-free on firstskb in inputprocesspayload inputprocesspayload stores firstskb into xtfs-ranewskb under droplock when starting partial reassembly, then unlocks and breaks out of the processing loop. The...

CVE-2026-53239

The CVE-2026-53239 issue is a Linux kernel use-after-free in the xfrm policy path, specifically in xfrm_policy_bysel_ctx(). A race between CPU0 deleting a policy and CPU1 rebuilding inexact policy bins can lead to UAF of the inexact bin, causing potential system instability or DoS. The fix prunes...

SUSE CVE-2026-52932

In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the outfreereq label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success...

SUSE CVE-2026-52935

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx-partial. Before building a new skmsg, espintcpsendmsg first tries to flush that state through espintcppushmsgs. For blocki...

PT-2026-52334

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the xfrm policy component. A race condition occurs in the xfrm policy bysel ctx function when xfrm policy lock is dropped before pruning the bin. If...

PT-2026-72325

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to July 2026 Description A double free issue exists in the xfrm component of the Linux kernel. The nat keepalive send function frees the keepalive skb socket buffer whenever the IPv4 or IPv6 send helper reports an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfrm6: fixed an issue where uninitialized saddr values were used in xfrm6getsaddr. The xfrm6getsaddr function does not check the return value of ipv6devgetsaddr. When ipv6devgetsaddr fails to find a suitable source address...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Always flush the state and policy upon the NETDEVUNREGISTER event. syzbot reports that the refcount of “struct xfrmstate” is leaking. unregisternetdevice: Waiting for netdevsim0 to become free. Usage count = 2. reftracke...

SUSE-SU-2026:22488-1 Security update for the Linux Kernel RT (Live Patch 20 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-3150...

SUSE-SU-2026:22402-1 Security update for the Linux Kernel (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-3150...

UBUNTU-CVE-2026-52932

In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the outfreereq label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success...

CVE-2026-52935

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx-partial. Before building a new skmsg, espintcpsendmsg first tries to flush that state through espintcppushmsgs. For blocki...

EUVD-2026-38702

In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the outfreereq label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success...

CVE-2026-52932 xfrm: ipcomp: Free destination pages on acomp errors

In the Linux kernel, the following vulnerability has been resolved: xfrm: ipcomp: Free destination pages on acomp errors Move the outfreereq label up by a couple of lines so that the allocated dst SG list gets freed on error as well as success...

Linux Distros Unpatched Vulnerability : CVE-2026-52935

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx-partial. Before building a new skmsg, espintcpsendmsg...

Ubuntu 20.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-8462-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8462-1 advisory. It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A...

SUSE-SU-2026:2482-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38549: efivarfs: Fix memory leak of efivarfsfsinfo in fscontext error paths bsc1248235. - CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: IB/mad: Don't call to function that might sleep while in atomic context CVE-2022-50472 In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash when I/O abort times out...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: handle attrsetsize errors when truncating files CVE-2025-71289 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unconditionally bump set-nelems before insertion...