4.4

CVE-2020-10773: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2020-10773DEBIAN-CVE-2020-10773
Published 10-09-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-10773 is a medium (CVSS 4.4) vulnerability in linux linux_kernel. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.4, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.37%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 18 · Related 17

Timeline

  1. 10-09-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability 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

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

31%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.37% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu34 products
  • linuxAll versions (No fix recorded) | < 4.4.0-170.199 | < 4.15.0-72.81
  • linux-aws< 4.4.0-1059.63 | < 4.4.0-1099.110 | < 4.15.0-1056.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-fips< 4.15.0-2018.18 | All versions (No fix recorded)
  • linux-aws-hwe< 4.15.0-1056.58~16.04.1
[unknown]1 product
Debian1 product
  • linux< 5.3.9-1
Linux1 product

4 vendors · 37 products

References

6 links