CVE-2026-52922
batman-adv: dat: handle forward allocation error
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 24, 2026 |
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Affected Versions
Linux / Linux
785ea1144182c341b8b85b0f8180291839d176a8 < 9bcebaedfb8479cb4affb23c7a0d000ca9a20e73 785ea1144182c341b8b85b0f8180291839d176a8 < 2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef 785ea1144182c341b8b85b0f8180291839d176a8 < ce0c381199402a2c58f4599f4f6ed100d872d0da 785ea1144182c341b8b85b0f8180291839d176a8 < 866ac1d57040ed0b44ca732e3c66b3aa6b93011c 785ea1144182c341b8b85b0f8180291839d176a8 < 4d420d9ee70a220a2cd95aa0dd2e15acad66a505 785ea1144182c341b8b85b0f8180291839d176a8 < 9cceea8eeba710def2a5707ee00f00c74a9a1cac 785ea1144182c341b8b85b0f8180291839d176a8 < cf48e75fc4fe0d5cc7721c82d454221d01367b93 785ea1144182c341b8b85b0f8180291839d176a8 < 2d8826a2d3657cea66fb0370f9e521575a673871
Linux / Linux
3.8
References
git.kernel.org: https://git.kernel.org/stable/c/9bcebaedfb8479cb4affb23c7a0d000ca9a20e73 git.kernel.org: https://git.kernel.org/stable/c/2edb8aeb3cdda9d00ec4997252dc5bcd6f54d8ef git.kernel.org: https://git.kernel.org/stable/c/ce0c381199402a2c58f4599f4f6ed100d872d0da git.kernel.org: https://git.kernel.org/stable/c/866ac1d57040ed0b44ca732e3c66b3aa6b93011c git.kernel.org: https://git.kernel.org/stable/c/4d420d9ee70a220a2cd95aa0dd2e15acad66a505 git.kernel.org: https://git.kernel.org/stable/c/9cceea8eeba710def2a5707ee00f00c74a9a1cac git.kernel.org: https://git.kernel.org/stable/c/cf48e75fc4fe0d5cc7721c82d454221d01367b93 git.kernel.org: https://git.kernel.org/stable/c/2d8826a2d3657cea66fb0370f9e521575a673871