5.5

CVE-2022-3112: linux linux_kernel NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-3112DEBIAN-CVE-2022-3112
Published 14-12-2022Last modified 22-04-2025
Open JSON

Vulnerability summary

CVE-2022-3112 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux linux_kernel. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6
SUSE-SU-2023:0146-1SUSE-SU-2023:0147-1SUSE-SU-2023:0149-1SUSE-SU-2023:0152-1SUSE-SU-2023:0406-1SUSE-SU-2023:0591-1

Timeline

  1. 14-12-2022
    PublishedVulnerability first disclosed.
  2. 22-04-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the Linux kernel through 5.16-rc6. amvdec_set_canvases in drivers/staging/media/meson/vdec/vdec_helpers.c lacks check of the return value of kzalloc() and will cause the null pointer dereference.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.01 pp

From 0.22% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu56 products
  • linux< 5.15.0-37.39
  • linux-aws< 5.15.0-1011.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
Debian1 product
  • linux< 5.17.3-1
Linux1 product
  • linux_kernelEOL< 5.16.0 | 5.16.0 | 5.16.0:rc1 | 5.16.0:rc2 | 5.16.0:rc3 | 5.16.0:rc4 | 5.16.0:rc5 | 5.16.0:rc6

3 vendors · 58 products

References

7 links