CVE-2020-11494

CVSS V2 Low 2.1 CVSS V3 Medium 4.4
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.
Overview
  • CVE ID
  • CVE-2020-11494
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-04-02T21:15:13
  • Last Modified Date
  • 2022-04-29T13:26:22
Weakness Enumerations
CWE URL
CWE-908 http://cwe.mitre.org/data/definitions/908.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 3.16 5.6.2
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • HIGH
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 4.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 0.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
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 Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-11494
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11494
History
Created Old Value New Value Data Type Notes
2022-05-08 06:20:32 Added to TrackCVE
2022-12-04 13:53:33 2020-04-02T21:15Z 2020-04-02T21:15:13 CVE Published Date updated
2022-12-04 13:53:33 2022-04-29T13:26:22 CVE Modified Date updated
2022-12-04 13:53:33 Analyzed Vulnerability Status updated