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

In the Linux kernel, the following vulnerability has been resolved: In net:tIPC, there is a fix for the refcount warning in tipcaeadencrypt. The syzbot report identified a refcount warning 1 caused by calling getnet on a network namespace that is being destroyed refcount=0. This occurs when a TIP...

CVE-2026-63919

The CVE-2026-63919 entry concerns the Linux kernel's xfrm input path and deferred transport reinjection. The vulnerability stems from storing a struct net pointer in skb->cb and later using it in xfrm_trans_reinject() without ensuring the netns lifetime, risking dereferencing a torn-down names...

EUVD-2026-45692

In the Linux kernel, the following vulnerability has been resolved: xfrm: input: hold netns during deferred transport reinjection Transport-mode reinjection stores a struct net pointer in skb-cb and uses it later from xfrmtransreinject. That pointer must stay valid until the deferred callback run...

EUVD-2026-38957

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in offloaded map/prog info fill When querying info for an offloaded BPF map or program, bpfmapoffloadinfofillns and bpfprogoffloadinfofillns obtain the network namespace with getnetdevnetoffmap-netdev...

CVE-2026-53089 bpf: Fix use-after-free in offloaded map/prog info fill

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix use-after-free in offloaded map/prog info fill When querying info for an offloaded BPF map or program, bpfmapoffloadinfofillns and bpfprogoffloadinfofillns obtain the network namespace with getnetdevnetoffmap-netdev...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005426)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005426 advisory. In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix refcount warning in tipcaeadencrypt syzbot reported a refcount warning 1 caused by...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005756)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005756 advisory. In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix refcount warning in tipcaeadencrypt syzbot reported a refcount warning 1 caused by...

CVE-2025-38273

CVE-2025-38273 affects the Linux kernel TIPC net subsystem. The root cause was a refcount handling issue where get_net() could be invoked on a network namespace already being destroyed, triggering a use-after-free warning when a TIPC discovery timer fires during namespace cleanup. The fix replace...