CVE Vulnerability

CVE-2021-38208

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.

2.1 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/torvalds/linux/commit/4ac06a1e013cf5fdd963317ffd3b968560f33bba Exploit Patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.10 Mailing List Patch
http://www.openwall.com/lists/oss-security/2021/08/17/1 Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2021/08/17/2 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1992810 Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2021/08/24/2 Mailing List Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2021-08-08 08:15

Updated : 2021-09-21 06:23

NVD link : CVE-2021-38208

Mitre link : CVE-2021-38208

Products Affected
No products.
CWE
CWE-476