CVE-2024-53217

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 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2024-12-27

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1
• https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8
• https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38
• https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2
• https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7

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