CVE-2020-10773

Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 10 Sept 2020, 16:07
Last modified:04 Aug 2024, 11:14

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
v3.1 (cve.org)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

10 Sept 2020, 16:07
Published
Vulnerability first disclosed
04 Aug 2024, 11:14
Last Modified
Vulnerability information updated

Description

A stack information leak flaw was found in s390/s390x in the Linux kernel’s memory manager functionality, where it incorrectly writes to the /proc/sys/vm/cmm_timeout file. This flaw allows a local user to see the kernel data.

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: 0.02%• Percentile: 4%

Techniques & Countermeasures

  • CWE-626•Null Byte Interaction Error (Poison Null Byte)

    The product does not properly handle null bytes or NUL characters when passing data between different representations or components.

Affected Systems

  • linux•linux_kernel

    5.4.0:rc6

  • [unknown]•kernel

    kernel-5.4-rc6

References (2)