CVE Vulnerability

CVE-2021-34693

net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.

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 PARTIAL

Integrity Impact NONE

Availability Impact NONE

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 HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076@3c-app-gmx-bs04/T/ Exploit Patch
http://www.openwall.com/lists/oss-security/2021/06/15/1 Exploit Mailing List
https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4941 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2021-06-14 10:15

Updated : 2021-09-20 01:52

NVD link : CVE-2021-34693

Mitre link : CVE-2021-34693

Products Affected
No products.
CWE
CWE-909