UBUNTU-CVE-2026-98103

In the Linux kernel, the following vulnerability has been resolved: igmp: convert struct ipsflist to RCU Commit 23d2b94043ca "igmp: Add ipmclist lock in ipcheckmcrcu" added spinlockbh&im-lock to ipcheckmcrcu to prevent a use-after-free while iterating im-sources during concurrent deletions...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

A issue was discovered in the Linux kernel through version 5.18.14. The xfrmexpandpolicies function in net/xfrm/xfrmpolicy.c can cause the refcount to be dropped twice...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xfrm: The issue occurs in the error path of the xfrmpolicycheck function. When the fetching process of the object pols1 fails, the function simply returns 0, without decrementing the reference count of pols0. This happens either...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099907)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099907 advisory. 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...

CVE-2026-68420

CVE-2026-68420 concerns the Linux kernel xfrm subsystem. The issue is a stack-out-of-bounds read triggered when an outbound IPsec policy uses optional IPTFS templates, flowing from xfrm_tmpl_resolve_one() and xfrm_state_find() via the outbound path. The fix extends previous checks that blocked op...

CVE-2026-64579

A flaw was found in the Linux kernel's xfrm policy component. An issue in the xfrmhashrebuild function, specifically with the preallocation of inexact policy bins, can lead to memory allocation failures under memory pressure. This failure can corrupt internal data structures, allowing a local...

SUSE CVE-2026-64579

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

SUSE CVE-2026-64581

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix skdstcache double-free in xfrmuserpolicy xfrmuserpolicy clears the socket dst cache with skdstreset, i.e. the non-atomic skdstsetsk, NULL: it reads skdstcache with rcudereferenceprotected, stores NULL and dstreleases th...

AZL-94458 CVE-2026-64579 affecting package kernel for versions less than 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

CVE-2026-64579

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

UBUNTU-CVE-2026-64579

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

CVE-2026-64581 xfrm: fix sk_dst_cache double-free in xfrm_user_policy()

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix skdstcache double-free in xfrmuserpolicy xfrmuserpolicy clears the socket dst cache with skdstreset, i.e. the non-atomic skdstsetsk, NULL: it reads skdstcache with rcudereferenceprotected, stores NULL and dstreleases th...

CVE-2026-64579

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

CVE-2026-64579 xfrm: policy: preallocate inexact bins before xfrm_hash_rebuild reinsert

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

CVE-2026-64579 xfrm: policy: preallocate inexact bins before xfrm_hash_rebuild reinsert

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

EUVD-2026-53274

In the Linux kernel, the following vulnerability has been resolved: xfrm6: clear dst.dev on error to avoid double netdevput in xfrm6filldst On the error path where in6devgetdev returns NULL, xfrm6filldst releases the device reference with netdevput but leaves xdst-u.dst.dev set. dstdestroy later...

CVE-2026-64579

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the reinsert after hlistdelrcu cannot allocate or fail. But its guard is...

PT-2026-68082

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the xfrm user policy function. The function uses sk dst reset, which is non-atomic, to clear the socket destination cache. In a race condition involving a...

Linux Distros Unpatched Vulnerability : CVE-2026-64579

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: policy: preallocate inexact bins before xfrmhashrebuild reinsert xfrmhashrebuild's first loop preallocates the bins/chains the reinsert loop needs, so the...

Linux Distros Unpatched Vulnerability : CVE-2026-64525

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against...