CVE-2024-56601
HIGH severity · CVSS 7.8 · Use-after-free
7.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: net: inet: do not leave a dangling sk pointer in inet_create() sock_init_data() attaches the allocated sk object to the provided sock object. If inet_create() fails later, the sk object is freed, but the sock object retains the dangling pointer, which may create use-after-free later. Clear the sk pointer in the sock object on error.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/25447c6aaa7235f155292b0c58a067347e8ae891 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/25447c6aaa7235f155292b0c58a067347e8ae891Patch
- https://git.kernel.org/stable/c/2bc34d8c8898ae9fddf4612501aabb22d76c2b2cPatch
- https://git.kernel.org/stable/c/3e8258070b0f2aba66b3ef18883de229674fb288Patch
- https://git.kernel.org/stable/c/691d6d816f93b2a1008c14178399061466e674efPatch
- https://git.kernel.org/stable/c/9365fa510c6f82e3aa550a09d0c5c6b44dbc78ffPatch
- https://git.kernel.org/stable/c/b4513cfd3a10c03c660d5d3d26c2e322efbfdd9bPatch
- https://git.kernel.org/stable/c/f8a3f255f7509a209292871715cda03779640c8dPatch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html