In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9_client_write() and p9_client_read_once(), if the server …
Critical CVSS 9.8
Summary
In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9_client_write() and p9_client_read_once(), if the server incorrectly replies with success but a negative write/read count then we would consider written (negative) <= rsize (positive) because both variables were signed. Make variables unsigned to avoid this problem. The reproducer linked below now fails with the following error instead of a null pointer…
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- :
- :
Sources
- NVD DATABASE
Original Links
- https://git.kernel.org/stable/c/374e4cd75617c8c2552f562f39dd989583f5c330 Patch
- https://git.kernel.org/stable/c/468ff4a7c61fb811c596a7c44b6a5455e40fd12b Patch
- https://git.kernel.org/stable/c/a68768e280b7d0c967ea509e791bb9b90adc94a5 Patch
- https://git.kernel.org/stable/c/c548f95688e2b5ae0e2ae43d53cf717156c7d034 Patch
- https://git.kernel.org/stable/c/d0259a856afca31d699b706ed5e2adf11086c73b Patch
- https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Mailing List
Timeline
- nvd_ingest NVD