CVE-2021-38208

medium

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

5.5

Description

net/nfc/llcp_sock.c in the Linux kernel before 5.12.10 allows local unprivileged users to cause a denial of service (NULL pointer dereference and BUG) by making a getsockname call after a certain type of failure of a bind call.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-38208

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-38208.html

OS impact

OS	Version	Status	Fixed in
arch		fixed	`5.10.43-1`
sles		affected
debian	bookworm	fixed	`5.10.46-1`
debian	bullseye	fixed	`5.10.46-1`
debian	forky	fixed	`5.10.46-1`
debian	sid	fixed	`5.10.46-1`
debian	trixie	fixed	`5.10.46-1`

References

https://www.suse.com/security/cve/CVE-2021-38208.html
https://security-tracker.debian.org/tracker/CVE-2021-38208

Verify integrity in audit chain (admin only). AS-IS.