Description
In the Linux kernel, the following vulnerability has been resolved: net/smc: check smcd_v2_ext_offset when receiving proposal msg When receiving proposal msg in server, the field smcd_v2_ext_offset in proposal msg is from the remote client and can not be fully trusted. Once the value of smcd_v2_ext_offset exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks the value of smcd_v2_ext_offset before using it.
Affected products
linux: linux kernel
References7
- git.kernel.org/stable/c/48d5a8a304a643613dab376a278f29d3e22f7c34 Patch
- git.kernel.org/stable/c/935caf324b445fe73d7708fae6f7176fb243f357 Patch
- git.kernel.org/stable/c/9ab332deb671d8f7e66d82a2ff2b3f715bc3a4ad Patch
- git.kernel.org/stable/c/a36364d8d4fabb105001f992fb8ff2d3546203d6 Patch
- git.kernel.org/stable/c/e1cc8be2a785a8f1ce1f597f3e608602c5fccd46 Patch
- git.kernel.org/stable/c/35da53027c1f2efdd7d0177dc00584134204761a
- lists.debian.org/debian-lts-announce/2025/03/msg00001.html
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 51 · as of 7 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.