5.5

CVE-2022-3106: linux linux_kernel NULL Pointer Dereference

Modified
AliasesUBUNTU-CVE-2022-3106DEBIAN-CVE-2022-3106
Published 14-12-2022Last modified 22-04-2025

Vulnerability summary

CVE-2022-3106 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 12.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
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 5
RHSA-2022:1975RHSA-2022:1988SUSE-SU-2023:0134-1SUSE-SU-2023:0146-1SUSE-SU-2023:0147-1SUSE-SU-2023:0149-1

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. ef100_update_stats in drivers/net/ethernet/sfc/ef100_nic.c lacks check of the return value of kmalloc().

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.22% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu39 products
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.13All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
  • linux-aws-5.8All versions (No fix recorded)
Debian1 product
  • linux< 5.15.15-1
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 · 41 products

References

7 links