VDB
DEBIAN-CVE-2025-37879
DEBIAN-CVE-2025-37879
PUBLISHED
CVSS 7.099999904632568 HIGH
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 deref: 9pnet: bogus RWRITE count (4294967295 > 3)
Risk Scores
CVSS 3.1
7.099999904632568
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 0 |
| Debian:13 | linux | 0, 0 |
| Debian:12 | linux | 6.1.67-1, 6.1.69-1, 6.1.69-1 |
| Debian:11 | linux-6.1 | 6.1.106-3~deb11u1, 6.1.106-3~deb11u2, 6.1.106-3~deb11u3 |
| Debian:11 | linux | *, *, 5.17~rc8-1~exp1 |
Timeline
- May 9, 2025 CVE Published
- Apr 28, 2026 CVE Updated