CVE-2021-34693 Information

Description

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.

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5