Back
CVE-2022-49845
can: j1939: j1939_send_one(): fix missing CAN header initialization
Medium5.5EPSS 0.22%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_send_one(): fix missing CAN header initialization The read access to struct canxl_frame::len inside of a j1939 created skbuff revealed a missing initialization of reserved and later filled elements in struct can_frame. This patch initializes the 8 byte CAN header with zero.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 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)
- 0.22% · top 88% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 9d71dd0c70099914fcd063135da3c580865e924c – < d0513b095e1ef1469718564dec3fb3348556d0a8
- affected 9d71dd0c70099914fcd063135da3c580865e924c – < f8e0edeaa0f2b860bdbbf0aafb4492533043d650
- affected 9d71dd0c70099914fcd063135da3c580865e924c – < 69e86c6268d59ceddd0abe9ae8f1f5296f316c3c
- affected 9d71dd0c70099914fcd063135da3c580865e924c – < 2719f82ad5d8199cf5f346ea8bb3998ad5323b72
- affected 9d71dd0c70099914fcd063135da3c580865e924c – < 3eb3d283e8579a22b81dd2ac3987b77465b2a22f
- affected 5.4
- unaffected < 5.4
- unaffected 5.4.225 – ≤ 5.4.*
- unaffected 5.10.155 – ≤ 5.10.*
- unaffected 5.15.79 – ≤ 5.15.*
- unaffected 6.0.9 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (5)
- https://git.kernel.org/stable/c/d0513b095e1ef1469718564dec3fb3348556d0a8 (opens in a new tab)
- https://git.kernel.org/stable/c/f8e0edeaa0f2b860bdbbf0aafb4492533043d650 (opens in a new tab)
- https://git.kernel.org/stable/c/69e86c6268d59ceddd0abe9ae8f1f5296f316c3c (opens in a new tab)
- https://git.kernel.org/stable/c/2719f82ad5d8199cf5f346ea8bb3998ad5323b72 (opens in a new tab)
- https://git.kernel.org/stable/c/3eb3d283e8579a22b81dd2ac3987b77465b2a22f (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)
- 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://trackcve.app/cve/CVE-2022-49845)Record last updated .