CVE-2024-53217
HIGH severity · CVSS 7.5 · CWE-476
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1Patch
- https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8Patch
- https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38Patch
- https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2Patch
- https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7Patch
- https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44aPatch
- https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90eePatch
- https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62Patch