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

In the Linux kernel, the following vulnerabilities have been resolved: TLS: Fixed a race condition between TX work scheduling and socket closure. Similar to previous commits, the submitting thread recvmsg/sendmsg may exit as soon as the async crypto handler’s call completes. Reordering the...

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

In the Linux kernel, the following vulnerabilities have been resolved: TLS: Fixed a race condition between the async notify and socket close operations. The thread that submitted the request the one that called recvmsg/sendmsg may exit as soon as the async crypto handler’s complete function is...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Avoid using sksocket after free when sending messages. The sk-sksocket is not locked or referenced in the backlog thread. During the call to skbsendsock, there is a race condition involving the release of sksocket...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: In the bcm module, there was a issue where bo-bcmprocread was still triggered after the removeprocentry function was called. The syzbot tool reported a warning in the bcmrelease function. The fix addressed another warning that...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053245)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053245 advisory. In the Linux kernel, the following vulnerability has been resolved: netlink: terminate outstanding dump on socket close Netlink supports iterative dumping of data. I...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-053233)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-053233 advisory. In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory...

SUSE CVE-2026-80848

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...

AZL-99416 CVE-2026-80841 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net/packet: defer vmalloc TXRING free until skbs finish AFPACKET TXRING skbs keep a raw pointer to their ring frame. The skb page references preserve page-backed ring blocks after pgvec is freed, but they do not preserve a vmallo...

CVE-2026-80848

A use-after-free (UAF) vulnerability in the Linux kernel's xfrm/espintcp subsystem was reported by ZDI . The race condition occurs during socket close: espintcp_close() frees emsg->skb via kfree_skb() without holding a socket lock, while concurrently the xfrm_trans_reinject work queue invokes ...

CVE-2026-80848 xfrm: espintcp: fix UAF during close

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...

CVE-2026-80848 xfrm: espintcp: fix UAF during close

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb without holding any socket lock. Concurrently, the xfrmtransreinject wor...

PT-2026-85726

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description A race condition exists in the xfrm espintcp sockets during the close process. The espintcp close function frees emsg-skb using kfree skb without holding a socket lock. Simultaneously, t...

Linux Distros Unpatched Vulnerability : CVE-2026-80848

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: espintcp: fix UAF during close ZDI reported and analyzed a race condition during close for espintcp sockets: espintcpclose frees emsg-skb via kfreeskb...

UBUNTU-CVE-2026-80666

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: sco: Fix a race condition in scosocktimeout scosocktimeout runs asynchronously and locksocksk. If the socket is closing while the timer is running, it holds the same lock locksocksk twice, leading to a deadlock. CPU 0...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098766)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098766 advisory. In the Linux kernel, the following vulnerability has been resolved: l2tp: pppol2tp: hold reference to session in pppol2tpioctl pppol2tpioctl read sock-sk-skuserdata...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: Fixed the issue where the listen function sets the backlog to too high for preallocation rings. The listen handler of AFRXRPC allows you to set the backlog to 32 if you increase the sysctl value. However, although the...

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: netlink: terminate outstanding dump on socket close netlink supports iterative dumping of data. It provides the following operations: - start – Optional Initiates the dumping process. - dump – The actual dumping process; this...

SUSE CVE-2026-74537

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: hold sk properly in isoconnready sk deref in isoconnready must be done either under conn-lock, or holding a refcount, to avoid concurrent close. conn-sk is currently accessed without either: Task 1 Task 2...

CVE-2026-74268

In the Linux kernel, the following vulnerability has been resolved: tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in tcpv4synrecvsock / tcpv6synrecvsock, the child is freed through...

CVE-2026-68140

In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucvpath afiucv queues not-yet-received message notifications on iucv-messageq, each holding a raw pointer to the connection's iucvpath. When the peer severs the connection, iucvseverpath...