CVE-2022-0850: linux linux_kernel
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.
Public exploit (reference, Date unknown)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 14Timeline
- 29-08-2022PublishedVulnerability first disclosed.
- 02-08-2024Last 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- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundExploit Reference (bugzilla.redhat.com)
Maturity: unknown
Exploit Reference (syzkaller.appspot.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
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- bugzilla.redhat.com/show_bug.cgi?id=2060606X Refsource MISCREPORTExploitIssue TrackingThird Party Advisory
- syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8X Refsource MISCExploitMailing ListThird Party Advisory