CVE-2020-11494

Advisory lineage Upstream: 0 Downstream: 27
Modified
Published: 02 Apr 2020, 20:14
Last modified:04 Aug 2024, 11:35

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
v3.1 (nvd)
EPSS Score
0.08% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Apr 2020, 20:14
Published
Vulnerability first disclosed
04 Aug 2024, 11:35
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
  • v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 0.08%• Percentile: 24%

Techniques & Countermeasures

  • 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.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04 | 19.10

  • debian•debian_linux

    8.0 | 9.0

  • linux•linux_kernel

    ≥ 3.16, ≤ 5.6.2

  • opensuse•leap

    15.1

References (13)