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CVE-2020-11494

nvd nist
Published: Apr 2, 2020Modified: Jun 17, 2026

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4.4
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Exploitability: 0.8 / Impact: 3.6
Source: NVD

Description

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.

Affected (8)

Products: Linux: Linux Kernel · Opensuse: Leap · Debian: Debian Linux · +1 more
Show all products
Linux: Linux Kernel · Opensuse: Leap · Debian: Debian Linux · Canonical: Ubuntu Linux
Linux
1 product
Linux Kernel
Opensuse
1 product
Leap
Debian
1 product
Debian Linux
Canonical
1 product
Ubuntu Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
From 3.16 to 5.6.2
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Leap
Version 15.1
Configuration C
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 8.0
Debian Linux
Version 9.0
Configuration D
4 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Ubuntu Linux
Version 14.04
Ubuntu Linux
Version 16.04
Ubuntu Linux
Version 18.04
Ubuntu Linux
Version 19.10

Related CWEs

CWE-908
Use of Uninitialized Resource
The product uses or accesses a resource that has not been initialized.
CWE-909
Missing Initialization of Resource
The product does not initialize a critical resource.

References (26)

Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Third Party AdvisoryVDB Entry
Source: cve@mitre.org
Mailing ListPatchVendor Advisory
Source: cve@mitre.org
PatchThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListPatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.