CVEvulnerability
CVE-2025-21760
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2025-02-27
- Last modified
- 2026-10-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
- 8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
Description
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.
Affected configurations
• linux linux kernel (>= 2.6.26 < 5.4.291)
• linux linux kernel (>= 5.5 < 5.10.235)
• linux linux kernel (>= 5.11 < 5.15.179)
• linux linux kernel (>= 5.16 < 6.1.129)
• linux linux kernel (>= 6.2 < 6.6.79)
• linux linux kernel (>= 6.7 < 6.12.16)
• linux linux kernel (>= 6.13 < 6.13.4)
• linux linux kernel 6.14
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594c Patch
- https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1 Patch
- https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc Patch
- https://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67 Patch
- https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d Patch
- https://git.kernel.org/stable/c/ae38982f521621c216fc2f5182cd091f4734641d Patch
- https://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74d Patch
- https://git.kernel.org/stable/c/ed6ae1f325d3c43966ec1b62ac1459e2b8e45640 Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html lists.debian.org
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html cert-portal.siemens.com