CVE-2026-80707

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]

References

• https://git.kernel.org/stable/c/038bad8e16c2e28acf31f0b527a816fb23a57269
• https://git.kernel.org/stable/c/194d67e92197eb820f4c2c6605d9721333b3eba0
• https://git.kernel.org/stable/c/348818277a3646d5b9fa60c9d20c00dc4bc86832
• https://git.kernel.org/stable/c/8604a3b81b9d0ceaf04fee5f52e701f623a179f9
• https://git.kernel.org/stable/c/bbfa49d1e287de44994955b44d19281be3195b44