The vulnerability of the sock_map_free() function in the net/core/sock_map.c module exposes support for network functions in the Linux kernel, allowing an attacker to cause a service failure.

The vulnerability of the sockmapfree function in the net/core/sockmap.c module related to Linux kernel’s network function support is due to the reutilization of previously freed memory. Exploiting this vulnerability can allow an attacker to cause a service failure...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013236)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013236 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix race in sockmapfree sockmapfree calls releasesocksk without owning a reference ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992606)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992606 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix race in sockmapfree sockmapfree calls releasesocksk without owning a reference ...

SUSE CVE-2022-50259

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix race in sockmapfree sockmapfree calls releasesocksk without owning a reference on the socket. This can cause use-after-free as syzbot found 1 Jakub Sitnicki already took care of a similar issue in sockhashfree i...

Linux Distros Unpatched Vulnerability : CVE-2022-50259

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: bpf, sockmap: fix race in sockmapfree sockmapfree calls releasesocksk without owning a...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from the sockmapfree function not properly obtaining reference counts, which could lead to reuse after release...

PT-2023-34525

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.163 Description A race condition exists in the sock map free function of the Linux Kernel. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prior...

PT-2023-33816

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v6.0.16 Description A race condition exists in the sock map free function. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prior to v6.0.16, update to...

PT-2023-34220

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.86 Description A race condition exists in the sock map free function related to bpf and sockmap. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions...