Exploited vulnerabilities / CVE-2022-0492
Confirmed exploited · authentication bypass · Linux KernelCVE-2022-0492
Linux Kernel authentication bypass, confirmed exploited in the wild.
Linux Kernel contains an improper authentication vulnerability which could allow for privilege escalation via the cgroups v1 release_agent feature.
| CISA's name for it | Linux Kernel Improper Authentication Vulnerability |
|---|---|
| Vendor and product | Linux · Kernel |
| Type | authentication bypass · CWE-287, CWE-862 |
| Exploited | Confirmed by CISA listed 2 June 2026 |
| Likelihood | more likely to be exploited than most |
| Deadline | 5 June 2026 · already passed |
| Used in ransomware | Not reported |
| Advisories | git.kernel.org ↗ · www.kernel.org ↗ · nvd.nist.gov ↗ |
Three steps, in this order
Apply the vendor fix and restart the affected service.
Put the login or management interface behind a VPN or allow-list; a bypass makes passwords irrelevant.
Rotate credentials and session keys the product holds, and review accounts and configuration changes since the listing date.
| CISA's required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
|---|
Know before someone else finds it
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CVE-2022-0492 in short
Is CVE-2022-0492 being exploited?
Yes. CISA added CVE-2022-0492 to its Known Exploited Vulnerabilities catalogue on 2 June 2026, which it does only on evidence of exploitation in the wild.
What is the CISA deadline for CVE-2022-0492?
US federal agencies must remediate it by 5 June 2026. Everyone else should treat that date as the latest safe point to patch an internet-facing system.
How likely is CVE-2022-0492 to be exploited in the next 30 days?
FIRST's Exploit Prediction Scoring System gives it 5.5%, the 92nd percentile of every CVE it scores.
How do I fix CVE-2022-0492?
Apply the vendor fix and restart the affected service. Put the login or management interface behind a VPN or allow-list; a bypass makes passwords irrelevant. Rotate credentials and session keys the product holds, and review accounts and configuration changes since the listing date.
Other Linux vulnerabilities being exploited
| CVE | Product | Type | Listed |
|---|---|---|---|
| CVE-2026-46300 | Kernel | exploited vulnerability | 28 October 2026 |
| CVE-2025-39964 | Kernel | exploited vulnerability | 18 September 2026 |
| CVE-2026-53266 | Kernel | memory corruption | 18 September 2026 |
| CVE-2025-39682 | Kernel | exploited vulnerability | 18 September 2026 |
| CVE-2026-53362 | Kernel | privilege escalation | 27 August 2026 |
| CVE-2022-0995 | Kernel | privilege escalation | 26 August 2026 |
Sources: CISA Known Exploited Vulnerabilities catalogue (released 10 November 2026) and FIRST EPSS. Page compiled automatically by SAK T.L.M, the threat-intelligence tool of SAK T.E.C, on 13 November 2026.