CVE-2024-53217
Vulnerability Summary
Timeline
Description
In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.01%• Percentile: 1%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux
≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < d9a0d1f6e15859ea7a86a327f28491e23deaaa62 | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < cac1405e3ff6685a438e910ad719e0cf06af90ee | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < 752a75811f27300fe8131b0a1efc91960f6f88e7 | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < c5d90f9302742985a5078e42ac38de42c364c44a | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < 0c3b0e326f838787d229314d4de83af9c53347e8 | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < eb51733ae5fc73d95bd857d5da26f9f65b202a79 | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < 03178cd8f67227015debb700123987fe96275cd1 | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < 4a4ffc1aa9d618e41ad9151f40966e402e58a5a2 | ≥ dcbeaa68dbbdacbbb330a86c7fc95a28473fc209, < 1e02c641c3a43c88cecc08402000418e15578d38 | 2.6.38
- linux•linux_kernel
≥ 2.6.38, < 4.19.325 | ≥ 4.20, < 5.4.287 | ≥ 5.5, < 5.10.231 | ≥ 5.11, < 5.15.174 | ≥ 5.16, < 6.1.120 | ≥ 6.2, < 6.6.64 | ≥ 6.7, < 6.11.11 | ≥ 6.12, < 6.12.2
References (11)
- https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62
- https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee
- https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7
- https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a
- https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8
- https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79
- https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1
- https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2
- https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html