UBUNTU-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...

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-2026-64581

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...

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-2026-64581

CVE-2026-64581 is a Linux kernel vulnerability in the xfrm code. The issue arises in xfrm_user_policy(), which clears the socket destination cache (sk_dst_cache) non‑atomically, allowing a race with a per‑socket policy change that can cause the same dst to be released twice, freeing the xfrm_dst ...

Linux Distros Unpatched Vulnerability : CVE-2026-64581

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: fix skdstcache double-free in xfrmuserpolicy xfrmuserpolicy clears the socket dst cache with skdstreset, i.e. the non-atomic skdstsetsk, NULL: it reads...

CVE-2026-46099

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels seg6inputcore and rplinput call ip6routeinput which sets a NOREF dst on the skb, then pass it to dstcachesetip6 invoking dsthold unconditionally. On PREEMPTRT, ksoftirqd is...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix memory leak in fib6rulesuppress The kernel causes a memory leak when a fib rule is present in IPv6 nftables firewall rules, and when a suppressprefix rule is present in IPv6 routing rules used by certain tools such as...

CVE-2026-31668 seg6: separate dst_cache for input and output paths in seg6 lwtunnel

In the Linux kernel, the following vulnerability has been resolved: seg6: separate dstcache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dstcache per encap route, shared between seg6inputcore and seg6outputcore. These two paths can perform the post-encap SID lookup ...

Azure Linux 3.0 Security Update: kernel (CVE-2025-22057)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-22057 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989573)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989573 advisory. In the Linux kernel, the following vulnerability has been resolved: ila: block BH in ilaoutput As explained in commit 1378817486d6 tipc: block BH before using...

Unity Linux 20.1050e Security Update: kernel (UTSA-2025-990146)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990146 advisory. In the Linux kernel, the following vulnerability has been resolved: ila: block BH in ilaoutput As explained in commit 1378817486d6 tipc: block BH before using...

AZL-69539 CVE-2025-22057 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in dstrelease Upstream fix ac888d58869b "net: do not delay dstentriesadd in dstrelease" moved decrementing the dst count from dstdestroy to dstrelease to avoid accessing already freed data in cas...

UBUNTU-CVE-2025-22057

In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in dstrelease Upstream fix ac888d58869b "net: do not delay dstentriesadd in dstrelease" moved decrementing the dst count from dstdestroy to dstrelease to avoid accessing already freed data in cas...

PT-2025-8880

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been identified, specifically in the ipv6 component, where certain lwtunnels such as rpl, seg6, and ioam6 have a dst cache for post-transformation dst. Th...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-36971)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-36971 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: fix dstnegativeadvice race...

SUSE CVE-2024-41081

In the Linux kernel, the following vulnerability has been resolved: ila: block BH in ilaoutput As explained in commit 1378817486d6 "tipc: block BH before using dstcache", net/core/dstcache.c helpers need to be called with BH disabled. ilaoutput is called from lwtunneloutput possibly from process...

DEBIAN-CVE-2024-41081

In the Linux kernel, the following vulnerability has been resolved: ila: block BH in ilaoutput As explained in commit 1378817486d6 "tipc: block BH before using dstcache", net/core/dstcache.c helpers need to be called with BH disabled. ilaoutput is called from lwtunneloutput possibly from process...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates in the ilaoutput function, which requires disabling BH before calling the net/core/dstcache.c helper functio...

CVE-2024-36971

A use-after-free flaw was found in the Linux kernel's network route management. This flaw allows an attacker to alter the behavior of certain network connections. Mitigation Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical...