7.1

CVE-2022-0850: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2022-0850DEBIAN-CVE-2022-0850
Published 29-08-2022Last modified 02-08-2024

Vulnerability summary

CVE-2022-0850 is a high (CVSS 7.1) vulnerability in linux linux_kernel. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 37.4% of scored vulnerabilities. 2 public exploits are recorded.

Priority
Prioritisepublic exploit

Public exploit (reference, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.1/10
010
High · v3.1 (NVD)
EPSS score
0.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 16 · Related 14

Timeline

  1. 29-08-2022
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in linux kernel, where an information leak occurs via ext4_extent_header to userspace.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.43%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.43% 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

2 found
  • referenceUnverified

    Exploit Reference (bugzilla.redhat.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (syzkaller.appspot.com)

    Maturity: unknown

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.

Ubuntu60 products
  • linuxAll versions (No fix recorded) | < 4.4.0-234.268 | < 4.15.0-156.163 | < 5.4.0-84.94
  • linux-aws< 4.4.0-1113.119 | < 4.4.0-1151.166 | < 4.15.0-1111.118 | < 5.4.0-1056.59
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
  • linux-aws-5.3All versions (No fix recorded)
Debian1 product
  • linux< 5.14.6-1
Linux1 product
  • linux_kernel< 4.4.276 | ≥ 4.5, < 4.9.276 | ≥ 4.10, < 4.14.240 | ≥ 4.15, < 4.19.198 | ≥ 4.20, < 5.4.132 | ≥ 5.5.0, < 5.10.50 | ≥ 5.11, < 5.12.17 | ≥ 5.13, < 5.13.2

3 vendors · 62 products

References

9 links