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.
CVE-2022-1205
This medium-severity CVE scores 4.7 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 72% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.7
- EG Score
- 4.7(medium)
- EG Risk
- 26(Track)EG Risk 26/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity47% × 45%Exploitation0% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 31%
- 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.
Affected Packages
(5 across 5 ecosystems)
Debian:10(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 4.19.118-1 ... 4.19.98-1~bpo9+1 (39 versions) | 4.19.249-2 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 5.10.103-1 ... 5.10.92-2 (11 versions) | 5.10.113-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.17.6-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.17.6-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.17.6-1 | — |
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.
- Microsoft MSRCCVE-2022-12052022-09-07
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.
- UbuntuUSN-5469-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5471-1MEDIUM
Linux kernel (OEM) vulnerabilities
- UbuntuUSN-5514-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5515-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5539-1MEDIUM
Linux kernel vulnerabilities
- UbuntuUSN-5541-1MEDIUM
Linux kernel (Azure) vulnerabilities
- UbuntuUSN-6001-1MEDIUM
Linux kernel (AWS) vulnerabilities
- UbuntuUSN-6013-1MEDIUM
Linux kernel (AWS) vulnerabilities
- UbuntuUSN-6014-1MEDIUM
Linux kernel vulnerabilities
Data Freshness Timeline
(refreshed 6× in last 7d / 26× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 158 total refreshes for this CVE.
- 2026-09-19 15:38 UTCEPSS rescore
- 2026-09-18 19:24 UTCEPSS rescore
- 2026-09-17 19:23 UTCEPSS rescore
- 2026-09-16 14:05 UTCEPSS rescore
- 2026-09-16 14:05 UTCEPSS rescore
- 2026-09-15 03:06 UTCEPSS rescore
- 2026-09-12 14:57 UTCEPSS rescore
- 2026-09-11 14:49 UTCEPSS rescore
- 2026-09-11 09:33 UTCEPSS rescore
- 2026-09-08 21:57 UTCEPSS rescore
- 2026-09-07 15:58 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
- 2026-09-05 15:25 UTCEPSS rescore
- 2026-09-05 05:14 UTCOSV refresh
- 2026-09-04 13:57 UTCEPSS rescore
- 2026-09-04 05:03 UTCEPSS rescore
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:14 UTCEPSS rescore
- 2026-08-30 01:19 UTCEPSS rescore
- 2026-08-28 21:38 UTCEPSS rescore
- 2026-08-27 14:22 UTCEPSS rescore
- 2026-08-26 14:43 UTCEPSS rescore
- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-24 14:13 UTCEPSS rescore
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- 2026-08-21 23:46 UTCEPSS rescore
- 2026-08-20 22:52 UTCEPSS rescore
- 2026-08-19 17:01 UTCEPSS rescore
- 2026-08-18 15:58 UTCOSV refresh
- 2026-08-18 13:45 UTCEPSS rescore
- 2026-08-17 13:44 UTCEPSS rescore
- 2026-08-16 14:53 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:27 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:38 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:34 UTCEPSS rescore
- 2026-08-07 16:24 UTCEPSS rescore
- 2026-08-06 13:44 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 11:27 UTCOSV refresh
- 2026-08-03 10:33 UTCEPSS rescore
- 2026-08-02 02:24 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:25 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:33 UTCEPSS rescore
- 2026-07-26 14:52 UTCEPSS rescore
- 2026-07-25 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-24 14:15 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:07 UTCEG score recompute
- 2026-07-22 22:53 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:05 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 21:04 UTCOSV refresh
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-16 17:00 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-15 01:58 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-13 06:11 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-06 02:21 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-05 02:28 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-04 06:29 UTCEPSS rescore
- 2026-07-01 15:04 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 20:02 UTCOSV refresh
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:07 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownubuntu:USN-5469-1 · ubuntu:USN-5515-1 · ubuntu:USN-6001-1
Same CWE
10 shownCWE-476 · CWE-416
Frequently asked(5)
What is CVE-2022-1205?
When was CVE-2022-1205 disclosed?
Is CVE-2022-1205 actively exploited?
What is the CVSS score of CVE-2022-1205?
How do I remediate CVE-2022-1205?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-1205
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