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No exploitation reportedFix available

CVE-2022-3623

No exploitation reported by the sources we read.

  • Published2022-10-20
  • Fixed in6.0.3 · 5.19.17 · 5.15.78 · 5.10.159 · 5.4.228
  • WeaknessCWE-362

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.

Timeline

dates in UTC
  1. 2022-10-2020:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-3623?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-3623?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Linux linux kernel
BranchAffectedFixed in
6.0≥ 6.0, < 6.0.36.0.3
5.x≥ 5.16, < 5.19.175.19.17
5.x≥ 5.11, < 5.15.785.15.78
5.x≥ 5.5, < 5.10.1595.10.159
5.x≥ 5.1, < 5.4.2285.4.228
Debian debian linux
BranchAffectedFixed in
11.0= 11.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Linux linux kernel to 6.0.3 · 5.19.17 · 5.15.78 · 5.10.159 · 5.4.228

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-04-14
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.15read 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • CNAweakness (CWE)CWE-362read 2026-10-23
  • FIRST EPSSEPSS score1.1 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2022-10-20
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2022-3623?

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.

Is CVE-2022-3623 actively exploited?

Active exploitation of CVE-2022-3623 has not been confirmed. Its EPSS score was 1.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-3623?

CVE-2022-3623 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

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