3.3

CVE-2020-36766: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2020-36766DEBIAN-CVE-2020-36766
Published 18-09-2023Last modified 25-09-2024

Vulnerability summary

CVE-2020-36766 is a low (CVSS 3.3) vulnerability in linux linux_kernel. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.3, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
3.3/10
010
Low · v3.1 (NVD)
EPSS score
0.24%
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 7 · Related 7
SUSE-SU-2023:4030-1SUSE-SU-2023:4031-1SUSE-SU-2023:4032-1SUSE-SU-2023:4033-1SUSE-SU-2023:4095-1SUSE-SU-2023:4142-1

Timeline

  1. 18-09-2023
    PublishedVulnerability first disclosed.
  2. 25-09-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel before 5.8.6. drivers/media/cec/core/cec-api.c leaks one byte of kernel memory on specific hardware to unprivileged users, because of directly assigning log_addrs with a hole in the struct.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% 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

No weakness data has been published for this record.

Affected systems

Version check

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

Ubuntu82 products
  • linux< 4.15.0-121.123 | < 5.4.0-51.56
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 4.15.0-1086.91 | < 5.4.0-1028.29
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 5.8.7-1
Linux1 product

3 vendors · 84 products

References

6 links