PT-2026-51715 · Linux · Linux

Published 2026-06-24 · Updated 2026-06-24 · CVE-2026-52922

NVD

In the Linux kernel, the following vulnerability has been resolved:

batman-adv: dat: handle forward allocation error

batadv dat forward data() calls pskb copy for clone() to duplicate an skb for each DHT candidate, but does not check the return value before passing it to batadv send skb prepare unicast 4addr(). That function dereferences the skb unconditionally, so a failed allocation triggers a NULL pointer dereference.

Skip forwarding to the current DHT candidate on allocation failure.

Related Identifiers

CVE-2026-52922

Affected Products

Linux

References · 9

• https://nvd.nist.gov/vuln/detail/CVE-2026-52922 · Security Note
• https://git.kernel.org/stable/c/cf48e75fc4fe0d5cc7721c82d454221d01367b93 · Note
• https://git.kernel.org/stable/c/4d420d9ee70a220a2cd95aa0dd2e15acad66a505 · Note
• https://git.kernel.org/stable/c/ce0c381199402a2c58f4599f4f6ed100d872d0da · Note
• https://git.kernel.org/stable/c/2d8826a2d3657cea66fb0370f9e521575a673871 · Note
• https://git.kernel.org/stable/c/9cceea8eeba710def2a5707ee00f00c74a9a1cac · Note
• https://git.kernel.org/stable/c/2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef · Note
• https://git.kernel.org/stable/c/9bcebaedfb8479cb4affb23c7a0d000ca9a20e73 · Note
• https://git.kernel.org/stable/c/866ac1d57040ed0b44ca732e3c66b3aa6b93011c · Note