Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: appletalk: Fix device refcount leak in atrtr_create() When updating an existing route entry in atrtr_create(), the old device reference was not being released before assigning the new device, leading to a device refcount leak. Fix this by calling dev_put() to release the old device reference before holding the new one.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 2.6.13, < 5.4.296 |
| Debian | Debian Linux | 11.0 |
References
- https://git.kernel.org/stable/c/473f3eadfc73b0fb6d8dee5829d19a5772e387f7Patch
- https://git.kernel.org/stable/c/4a17370da6e476d3d275534e9e9cd2d02c57ca46Patch
- https://git.kernel.org/stable/c/64124cf0aab0dd1e18c0fb5ae66e45741e727f8bPatch
- https://git.kernel.org/stable/c/711c80f7d8b163d3ecd463cd96f07230f488e750Patch
- https://git.kernel.org/stable/c/a7852b01793669248dce0348d14df89e77a32afdPatch
- https://git.kernel.org/stable/c/b2f5dfa87367fdce9f8b995bc6c38f64f9ea2c90Patch
- https://git.kernel.org/stable/c/b92bedf71f25303e203a4e657489d76691a58119Patch
- https://git.kernel.org/stable/c/d2e9f50f0bdad73b64a871f25186b899624518c4Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2025-38542?
CVE-2025-38542 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: net: appletalk: Fix device refcount leak in atrtr_create() When updating an existing route entry in atrtr_create(), the old device...
How severe is CVE-2025-38542?
CVE-2025-38542 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-38542?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.