K000163576: Multiple Linux kernel vulnerabilities

Security Advisory Description CVE-2026-52911 In the Linux kernel, the following vulnerability has been resolved: ksmbd: scope conn-binding slowpath to bound sessions only When the binding SESSIONSETUP sets conn-binding = true, the flag stays set after the call so that the global session lookup in...

CVE-2026-80848

A flaw was found in the xfrm: espintcp component of the Linux kernel. A race condition exists during the closure of espintcp sockets, where a memory buffer skb can be freed while still being accessed by another process. This Use-After-Free UAF vulnerability could allow a local attacker to cause...

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...

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...

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...

CVE-2026-80848: Undefined Security Weakness

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-2026-91339

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: espintcp close frees emsg-skb via kfree skb without holding any socket lock. Concurrently, the xfrm trans reinject...

CVE-2026-52935: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx-partial. Before building a new skmsg, espintcpsendmsg first tries to flush that state through espintcppushmsgs. For blocki...

Linux Distros Unpatched Vulnerability : CVE-2026-52935

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx-partial. Before building a new skmsg, espintcpsendmsg...

SUSE CVE-2023-0461

There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIGTLS or CONFIGXFRMESPINTCP has to be configured, but the operation does not require any privilege. There is a...

PT-2023-1655

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability, kernel configuration flag CONFIG TLS...