CVE Vulnerability

CVE-2020-11494

An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.

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

4.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264 Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20200430-0004/ Third Party Advisory
https://usn.ubuntu.com/4364-1/ Third Party Advisory
https://usn.ubuntu.com/4368-1/ Third Party Advisory
https://usn.ubuntu.com/4363-1/ Third Party Advisory
https://usn.ubuntu.com/4369-1/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4698 Third Party Advisory
http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html Third Party Advisory VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28 Mailing List Patch
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
Information

Published : 2020-04-02 09:15

Updated : 2022-04-29 01:26

NVD link : CVE-2020-11494

Mitre link : CVE-2020-11494

Products Affected
No products.
CWE
CWE-908

CWE-909