PT-2025-37972 · Linux+4 · Linux Kernel+4
Syzbot
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Published
2025-01-01
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Updated
2026-05-07
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CVE-2025-39827
CVSS v2.0
6.8
Medium
| Vector | AV:L/AC:L/Au:S/C:C/I:C/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The Linux kernel contained an issue in the networking component (net: rose) related to reference counting of
rose neigh structures. The implementation maintained separate reference counts – one for rose node structures (count field) and another for rose sock (use field). A patch was implemented to merge these into a single reference count using the use field, ensuring proper management of references. The patch also modified functions rose rt free(), rose rt device down(), and rose clear route() to correctly release references to rose neigh objects before freeing a rose node via rose remove node(). This resolves a slab-use-after-free issue identified by Syzbot.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
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Weakness Enumeration
Related Identifiers
Affected Products
Debian
Linuxmint
Linux Kernel
Suse
Ubuntu