7.8

CVE-2022-3239: linux linux_kernel Use After Free

Modified
AliasesUBUNTU-CVE-2022-3239DEBIAN-CVE-2022-3239
Published 19-09-2022Last modified 03-08-2024

Vulnerability summary

CVE-2022-3239 is a high (CVSS 7.8) Use After Free vulnerability in linux linux_kernel. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 17.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.25%
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 24 · Related 19
RHSA-2022:7933RHSA-2022:8267RHSA-2023:2736RHSA-2023:2951RHSA-2024:0930SUSE-SU-2022:3584-1

Timeline

  1. 19-09-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw use after free in the Linux kernel video4linux driver was found in the way user triggers em28xx_usb_probe() for the Empia 28xx based TV cards. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.25% 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.

Ubuntu76 products
  • linux< 4.4.0-235.269 | < 4.15.0-200.211 | < 5.4.0-117.132 | < 5.15.0-37.39
  • linux-aws< 4.4.0-1114.120 | < 4.4.0-1152.167 | < 4.15.0-1146.158 | < 5.4.0-1078.84 | < 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_kernel≥ 3.15, < 4.14.295 | ≥ 4.15, < 4.19.238 | ≥ 4.20, < 5.4.189 | ≥ 5.5, < 5.10.110 | ≥ 5.11, < 5.15.33 | ≥ 5.16, < 5.16.19 | ≥ 5.17, < 5.17.2

3 vendors · 78 products

References

10 links