Vulnerability

CVE-2022-0492

High· 7.8KEVEXPLOITCVSS7.8EPSS27%

.rules3/5

Linux Kernel Improper Authentication Vulnerability

Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature.

Threat signal

98/100

Severe

Severity

high

CVSS

7.8

EPSS

27%

Active

KEV

CISA KEV — actively exploited

8d overdue

AffectedLinux — Kernel

Added to KEV

2026-06-02

Federal patch due (BOD 22-01)

2026-06-05

Required action (CISA verbatim)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature.”

CVSS

v3.1Open in FIRST calculator →

7.8/ 10HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorLocalRequires local access — shell, console, or local app.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

27.2%

probability of exploitation in next 30 days

p97

higher than 97% of all CVEs

3-day trend↓ 0.4pp

Above the FIRST 'patch on a priority schedule' threshold.

Vendor VEX

No VEX statements published for CVE-2022-0492. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: no
impact: total
mission: support

Lifecycle

2022-02-07Vendor advisory · amazon-linuxAL2-ALAS2KERNEL-5.10-2022-010-(important):-kernel — ALAS2KERNEL-5.10-2022-010 (important): kernel
2022-02-07Vendor advisory · amazon-linuxAL2-ALAS2KERNEL-5.4-2022-022-(important):-kernel — ALAS2KERNEL-5.4-2022-022 (important): kernel
2022-02-08Vendor advisory · amazon-linuxALAS2-2022-1749 — ALAS2-2022-1749 (important): kernel
2026-06-02Added to CISA KEVransomware: Unknown
2026-06-02Public exploit observedmetasploit
2026-06-02Published
2026-06-02Vendor advisory · cisa-aacisa-adds-two-known-exploited-vulnerabilities-catalog — CISA Adds Two Known Exploited Vulnerabilities to Catalog
2026-06-02Mentioned in rss:cisaCISA Adds Two Known Exploited Vulnerabilities to Catalog
2026-06-05Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

Entity graph

6 nodes · 5 edges · click to pivot

CVEActorVendor advisoryIOCNews

Vendor advisories

Mentions in news & research

rss:cisaCISA Adds Two Known Exploited Vulnerabilities to Catalog11 d ago

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.