CVE-2025-38542
HIGH severity · CVSS 7.8
7.8CVSS HIGH
Summary
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.
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 (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/473f3eadfc73b0fb6d8dee5829d19a5772e387f7 ↗
Additional information
- NVD record
- 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