CVE-2022-49269can: isotp: sanitize CAN ID checks in isotp_bind()
- 5.5MediumCVSS base score
- 0.27%Exploitation in 30 daysEPSS · top 80% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: can: isotp: sanitize CAN ID checks in isotp_bind() Syzbot created an environment that lead to a state machine status that can not be reached with a compliant CAN ID address configuration. The provided address information consisted of CAN ID 0x6000001 and 0xC28001 which both boil down to 11 bit CAN IDs 0x001 in sending and receiving. Sanitize the SFF/EFF CAN ID values before performing the address checks.
Timeline
ID reserved
By Linux
Published
- 15 months later
· 15 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.27% · top 80% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected e057dd3fc20ffb3d7f150af46542a51b59b90127 – < d72866a7f5326160d2a9d945a33eb6ef1883e25d
- affected e057dd3fc20ffb3d7f150af46542a51b59b90127 – < f343dbe82314ab457153c9afd970be4e9e553020
- affected e057dd3fc20ffb3d7f150af46542a51b59b90127 – < cf522d741f5301223cc94b978eb1603c7590d65e
- affected e057dd3fc20ffb3d7f150af46542a51b59b90127 – < 7b4652fc71dcec043977a6def80ef5034c913615
- affected e057dd3fc20ffb3d7f150af46542a51b59b90127 – < 3ea566422cbde9610c2734980d1286ab681bb40e
- affected 5.10
- unaffected < 5.10
- unaffected 5.10.110 – ≤ 5.10.*
- unaffected 5.15.33 – ≤ 5.15.*
- unaffected 5.16.19 – ≤ 5.16.*
- unaffected 5.17.2 – ≤ 5.17.*
- unaffected 5.18 – ≤ *
References
References5
- https://git.kernel.org/stable/c/d72866a7f5326160d2a9d945a33eb6ef1883e25d (opens in a new tab)
- https://git.kernel.org/stable/c/f343dbe82314ab457153c9afd970be4e9e553020 (opens in a new tab)
- https://git.kernel.org/stable/c/cf522d741f5301223cc94b978eb1603c7590d65e (opens in a new tab)
- https://git.kernel.org/stable/c/7b4652fc71dcec043977a6def80ef5034c913615 (opens in a new tab)
- https://git.kernel.org/stable/c/3ea566422cbde9610c2734980d1286ab681bb40e (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-54957 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-49269)Record last updated .