CVE-2021-38208

5.5 mediumEPSS 0.5%

Medium (5.5) in linux linux kernel. EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2021-08-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

linux:linux_kernel

References

http://www.openwall.com/lists/oss-security/2021/08/17/1
http://www.openwall.com/lists/oss-security/2021/08/17/2
http://www.openwall.com/lists/oss-security/2021/08/24/2
https://bugzilla.redhat.com/show_bug.cgi?id=1992810
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10

Check your stack JSON