CVEvulnerability
CVE-2025-21764
7.8 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)
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/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: 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.
Affected configurations
• linux linux kernel (>= 3.9 < 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/3c2d705f5adf5d860aaef90cb4211c0fde2ba66d Patch
- https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9 Patch
- https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879 Patch
- https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304 Patch
- https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63 Patch
- https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28 Patch
- https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1 Patch
- https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926 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