PT-2025-8875 · Linux+7 · Linux Kernel+7
Eric Dumazet
·
Published
2025-02-07
·
Updated
2026-04-20
·
CVE-2025-21763
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A vulnerability in the Linux kernel has been resolved. The issue is related to the
neigh notify() function, which can be called without proper protection, potentially leading to a use-after-free (UAF) condition. To address this, RCU protection is used in neigh notify().Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Use After Free
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Debian
Linuxmint
Linux Kernel
Red Os
Suse
Ubuntu