Use After Free Affecting torvalds/linux package, versions [5.10,6.18.59)[6.19,7.2.13)
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Test your applications- Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-21800701
- published29 Oct 2026
- disclosed28 Oct 2026
- creditUnknown
Introduced: 28 Oct 2026
NewCVE-2026-99117 (opens in a new tab)How to fix?
Upgrade torvalds/linux to version 6.18.59, 7.2.13 or higher.
Overview
Affected versions of this package are vulnerable to Use After Free in the __br_multicast_disable_port_ctx or br_multicast_del_port process. An attacker can trigger memory corruption or potentially execute arbitrary code by manipulating multicast group teardown operations in the network bridge subsystem.
Note: The Linux kernel project assigns a CVE to every bug fix it ships, whether or not the bug has been shown to be exploitable. This advisory was generated from that process and has not been individually assessed for exploitability. See the kernel's CVE process documentation: https://github.com/torvalds/linux/blob/master/Documentation/process/cve.rst