Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: The can: bcm code allows for the deferring of the rxop deallocation to the workqueue to fix a thrtimer UAF. The commit f1b4e32aca08 “can: bcm: use callrcu instead of the costly synchronizercu” replaces the synchronizercu in...

Linux Distros Unpatched Vulnerability : CVE-2026-98101

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and...

DEBIAN-CVE-2026-93288

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinklog: wait for rcu grace period before freeing pernet state sashiko reports: "nfnllognetexit calls nflogunset, which clears the logger pointer without an RCU grace period. Immediately after, opsfreelist frees t...

PT-2026-104981

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink log: wait for rcu grace period before freeing pernet state sashiko reports: "nfnl log net exit calls nf log unset, which clears the logger pointer without an RCU grace period. Immediately after, ops free list...

CVE-2026-90291 module/dups: Fix use-after-free in kmod_dup_req lifetime handling

In the Linux kernel, the following vulnerability has been resolved: module/dups: Fix use-after-free in kmoddupreq lifetime handling The kmod dups code uses RCU to ensure that a kmoddupreq instance is freed only after it is no longer referenced. When releasing an instance, the kmodduprequestdelete...

EUVD-2026-80513

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v3: take an LPI reference in vgicv3savependingtables vgicv3savependingtables iterates dist-lpixa using xaforeach and dereferences the returned struct vgicirq in the loop body without holding a reference on the LP...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

A “use-after-free” vulnerability in the Linux kernel’s ipv4:igmp component can be exploited to achieve local privilege escalation. A race condition can also be exploited, causing a timer to be mistakenly registered on a RCU read-locked object that is then freed by another thread. We recommend...

Linux Distros Unpatched Vulnerability : CVE-2026-89670

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nfsd: hold rcu across localio cmpxchg retry nfsdfile objects are freed via callrcu filecache.c:296, and nfsdfileslab is created without SLABTYPESAFEBYRCU...

Linux Distros Unpatched Vulnerability : CVE-2026-80994

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is...

Linux Distros Unpatched Vulnerability : CVE-2026-89488

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: Fix CT limit teardown use-after-free Packet processing uses CT limit state under RCU, while netns teardown frees that state under ovsmutex. The CT...

CVE-2026-80994

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

DEBIAN-CVE-2026-80994

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

AZL-100814 CVE-2026-80994 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

UBUNTU-CVE-2026-89715

In the Linux kernel, the following vulnerability has been resolved: NFS/localio: fix ref leak on nfsuuidaddfile failure When nfsuuidaddfile races with nfsuuidput tearing down uuid-net, it returns -ENXIO without publishing nfl-nfsuuid via rcuassignpointer. nfsopenlocalfh then enters its error bran...

UBUNTU-CVE-2026-80994

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-89715 NFS/localio: fix ref leak on nfs_uuid_add_file failure

In the Linux kernel, the following vulnerability has been resolved: NFS/localio: fix ref leak on nfsuuidaddfile failure When nfsuuidaddfile races with nfsuuidput tearing down uuid-net, it returns -ENXIO without publishing nfl-nfsuuid via rcuassignpointer. nfsopenlocalfh then enters its error bran...

EUVD-2026-76621

In the Linux kernel, the following vulnerability has been resolved: lockd, nfsd: RCU-protect nlmsvcops dispatch nlmsvcops is published by nfsdlockdinit and cleared by nfsdlockdshutdown with plain stores, while lockd dereferences it unguarded from dispatch sites in fs/lockd/svcsubs.c. The pointer...

CVE-2026-89670

In the Linux kernel, the following vulnerability has been resolved: nfsd: hold rcu across localio cmpxchg retry nfsdfile objects are freed via callrcu filecache.c:296, and nfsdfileslab is created without SLABTYPESAFEBYRCU KMEMCACHEnfsdfile, 0 at filecache.c:789, so the slab page backing a freed...

CVE-2026-80994

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...

CVE-2026-80994 net: openvswitch: fix flow mask use-after-free on flow deletion

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow mask use-after-free on flow deletion The commit in the Fixes tag below made so flow-mask free is scheduled via RCU right after it is removed from the flow table. The pointer stays in the flow structure...