linux: In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmem...
CVE-2021-47186 is fixed in linux on 1 platform, first by DEBIAN-CVE-2021-47186, released April 10, 2024. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: tipc: check for null after calling kmemdup kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipc_crypto_key_xmit as can be seen in the trace [1]. [1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.15.5-1 | DEBIAN-CVE-2021-47186 | Apr 10, 2024 |
| linux · Debian 13.5 (trixie) | 5.15.5-1 | DEBIAN-CVE-2021-47186 | Apr 10, 2024 |
| linux · Debian 14 | 5.15.5-1 | DEBIAN-CVE-2021-47186 | Apr 10, 2024 |
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