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

In the Linux kernel, the following vulnerabilities have been resolved: netns: Ensure that getnetns handles zero refcount nets properly. Syzkaller encountered a warning: refcountt: Addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Linked...

SUSE CVE-2026-63919

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...

CVE-2026-63919 xfrm: input: hold netns during deferred transport reinjection

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...

PT-2026-61236

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the xfrm input component where the network namespace netns is not properly held during deferred transport reinjection. The process stores a struct net pointer in skb-c...

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...

PT-2026-51983

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists when querying information for an offloaded BPF map or program. The functions bpf map offload info fill ns and bpf prog offload info fill ns use get netdev...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-380104)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-380104 advisory. In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0;...

Linux net Component Heap Buffer Overflow DoS

The vulnerability of the getnet function in the net component of the Linux operating system’s kernel is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2025-38273

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: tipc: fix refcount warning in tipcaeadencrypt syzbot reported a refcount warning 1 caus...

SUSE CVE-2025-38273

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 calling getnet on a network namespace that is being destroyed refcount=0. This happens when a TIPC discovery timer fires during...

DEBIAN-CVE-2025-38273

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 calling getnet on a network namespace that is being destroyed refcount=0. This happens when a TIPC discovery timer fires during...

UBUNTU-CVE-2025-38273

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 calling getnet on a network namespace that is being destroyed refcount=0. This happens when a TIPC discovery timer fires during...

PT-2025-28993

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel contains an issue where a refcount warning occurs in the tipc aead encrypt function. This is triggered when calling get net on a network namespace during its...

SUSE CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

DEBIAN-CVE-2024-40958

In the Linux kernel, the following vulnerability has been resolved: netns: Make getnetns handle zero refcount net Syzkaller hit a warning: refcountt: addition on 0; use-after-free. WARNING: CPU: 3 PID: 7890 at lib/refcount.c:25 refcountwarnsaturate+0xdf/0x1d0 Modules linked in: CPU: 3 PID: 7890...

PT-2024-7046

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.10.0-rc3 Description The vulnerability is related to the get net ns function in the Linux kernel, which fails to handle a zero refcount net. This can lead to a use-after-free condition, causing a kernel panic...