CVE-2025-21760CWE-416

CVE-2025-21760

High · published February 27, 2025

CVSS v3.1
8.1
EPSS
38%
Percentile
98.6
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ndisc: extend RCU protection in ndisc_send_skb()

ndisc_send_skb() can be called without RTNL or RCU held.

Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu()

and avoid a potential UAF.

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.37997 · 98.6th percentile
Weakness
CWE-416 · Use After Free
Published
2025-02-27T08:15Z
Affected products (9)
ProductVersionsFixed in
linux/linux_kernel≥ 2.6.26, < 5.4.2915.4.291
linux/linux_kernel≥ 5.5, < 5.10.2355.10.235
linux/linux_kernel≥ 5.11, < 5.15.1795.15.179
linux/linux_kernel≥ 5.16, < 6.1.1296.1.129
linux/linux_kernel≥ 6.2, < 6.6.796.6.79
linux/linux_kernel≥ 6.7, < 6.12.166.12.16
linux/linux_kernel≥ 6.13, < 6.13.46.13.4
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (14)
https://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594c · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae38982f521621c216fc2f5182cd091f4734641d · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74d · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ed6ae1f325d3c43966ec1b62ac1459e2b8e45640 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-019113.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-457936.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-784472.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 27 FEB 02:18Z
    ndisc: extend RCU protection in ndisc_send_skb()
    cvelistv5