CVE-2025-21764

high

Description

In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.

References

https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926

https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28

https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304

https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9

https://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66d

Details

Source: Mitre, NVD

Published: 2025-02-27

Updated: 2025-02-27

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H