CVE-2026-80707
High
Description
In the Linux kernel, the following vulnerability has been resolved: can: j1939: transport: j1939_session_fresh_new(): initialize receive buffer Zero the allocated buffer in j1939_session_fresh_new() to ensure it contains no residual data. While there is a potential performance impact if users allocate maximum sized ETP buffers, most real-world use cases are not noticeably affected since the maximum known buffer size is typically around 65K. [mkl: add Message-ID]
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linux
PublishedAug 28, 2026
First seenAug 28, 2026
How to fix
Update
- Linux Linux348818277a3646d5b9fa60c9d20c00dc4bc86832, f3e120a34b336079479fa10f706f0636eaa6e751, bbfa49d1e287de44994955b44d19281be3195b44, 194d67e92197eb820f4c2c6605d9721333b3eba0, 038bad8e16c2e28acf31f0b527a816fb23a57269, 8604a3b81b9d0ceaf04fee5f52e701f623a179f9, d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf, eb96c58907922546e415e545fe9a14ea63b02719 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < 348818277a3646d5b9fa60c9d20c00dc4bc86832, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < f3e120a34b336079479fa10f706f0636eaa6e751, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < bbfa49d1e287de44994955b44d19281be3195b44, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < 194d67e92197eb820f4c2c6605d9721333b3eba0, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < 038bad8e16c2e28acf31f0b527a816fb23a57269, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < 8604a3b81b9d0ceaf04fee5f52e701f623a179f9, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf, 9d71dd0c70099914fcd063135da3c580865e924c ≤ v < eb96c58907922546e415e545fe9a14ea63b02719, 5.4 | 348818277a3646d5b9fa60c9d20c00dc4bc86832, f3e120a34b336079479fa10f706f0636eaa6e751, bbfa49d1e287de44994955b44d19281be3195b44, 194d67e92197eb820f4c2c6605d9721333b3eba0, 038bad8e16c2e28acf31f0b527a816fb23a57269, 8604a3b81b9d0ceaf04fee5f52e701f623a179f9, d5b3613c7d69d8dcb4dd6704f1f463198ce9f6cf, eb96c58907922546e415e545fe9a14ea63b02719 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.