CVE-2024-56601

net: inet: do not leave a dangling sk pointer in inet_create()

CVSS 7.8 HIGHEPSS 0.2%CWE-416

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

27 Dec 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/25447c6aaa7235f155292b0c58a067347e8ae891 https://git.kernel.org/stable/c/2bc34d8c8898ae9fddf4612501aabb22d76c2b2c https://git.kernel.org/stable/c/3e8258070b0f2aba66b3ef18883de229674fb288 https://git.kernel.org/stable/c/691d6d816f93b2a1008c14178399061466e674ef https://git.kernel.org/stable/c/9365fa510c6f82e3aa550a09d0c5c6b44dbc78ff https://git.kernel.org/stable/c/b4513cfd3a10c03c660d5d3d26c2e322efbfdd9b https://git.kernel.org/stable/c/f8a3f255f7509a209292871715cda03779640c8d https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html