CVE-2021-38208medium
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.
References
https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10
http://www.openwall.com/lists/oss-security/2021/08/17/1
http://www.openwall.com/lists/oss-security/2021/08/17/2
Details
Source: MITRE
Published: 2021-08-08
Updated: 2021-09-21
Type: CWE-476
Risk Information
CVSS v2
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3
Base Score: 5.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM