CVE-2022-1205

MEDIUMNVD 4.74.7—

4.7

A NULL pointer dereference flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. This flaw allows a local user to crash the system.

CVSS v3: 4.7
EG Score: 4.7(medium)
EPSS: 30.1%
KEV: Not listed

Published

August 31, 2022

Last Modified

November 21, 2024

References (10)

secalert@redhathttps://access.redhat.com/security/cve/CVE-2022-1205
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2071047
secalert@redhathttps://github.com/torvalds/linux/commit/82e31755e55fbcea6a9dfaae5fe4860ade17cbc0
secalert@redhathttps://github.com/torvalds/linux/commit/fc6d01ff9ef03b66d4a3a23b46fc3c3d8cf92009
secalert@redhathttps://www.openwall.com/lists/oss-security/2022/04/02/4
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2022-1205
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2071047
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/82e31755e55fbcea6a9dfaae5fe4860ade17cbc0
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/fc6d01ff9ef03b66d4a3a23b46fc3c3d8cf92009
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2022/04/02/4

Patch Availability(9)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-lowlatency-64k-hwe-20.04 (5.15.0.37.37) @ jammy	2026-05-25	ubuntu
ubuntu	linux-oem-22.04a (5.17.0.1011.10) @ jammy	2026-05-25	ubuntu
ubuntu	linux-modules-5.4.0-122-generic-lpae (5.4.0-122.138) @ focal	2026-05-25	ubuntu
ubuntu	linux-buildinfo-4.15.0-1146-azure (4.15.0-1146.161~14.04.1) @ trusty	2026-05-25	ubuntu
ubuntu	linux-image-4.15.0-1146-azure (4.15.0-1146.161~16.04.1) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-4.4.0-1155-aws (4.4.0-1155.170) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-4.4.0-239-lowlatency (4.4.0-239.273) @ xenial	2026-05-25	ubuntu
ubuntu	linux-headers-bluefield (5.4.0.1042.41) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-4.4.0-1117-aws (4.4.0-1117.123) @ trusty	2026-05-25	ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(10)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2022-1205?

CVE-2022-1205 is a medium vulnerability published on August 31, 2022. A NULL pointer dereference flaw was found in the Linux kernel’s Amateur Radio AX.25 protocol functionality in the way a user connects with the protocol. This flaw allows a local user to crash the system.

When was CVE-2022-1205 disclosed?

CVE-2022-1205 was first published in the National Vulnerability Database on August 31, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-1205 actively exploited?

CVE-2022-1205 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 30.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-1205?

CVE-2022-1205 has a CVSS v3 base score of 4.7 (NVD).

How do I remediate CVE-2022-1205?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-1205, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2022-1205

Published

Last Modified

References (10)

Patch Availability(9)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-1205?

Same vendor

Same CWE

CVE-2022-1205

📅 Published

🔄 Last Modified

🔗 References (10)

Patch Availability(9)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-1205?

🔗 Related CVEs(same vendor + same CWE)

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Published

Last Modified

References (10)

Frequently asked(5)

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