CVE-2025-21760

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21760
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.

7.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
History

24 Mar 2025, 17:38

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
References () https://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594c - () https://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594c - Patch
References () https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1 - () https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1 - Patch
References () https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc - () https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc - Patch
References () https://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67 - () https://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67 - Patch
References () https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d - () https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6d - Patch
References () https://git.kernel.org/stable/c/ae38982f521621c216fc2f5182cd091f4734641d - () https://git.kernel.org/stable/c/ae38982f521621c216fc2f5182cd091f4734641d - Patch
References () https://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74d - () https://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74d - Patch
References () https://git.kernel.org/stable/c/ed6ae1f325d3c43966ec1b62ac1459e2b8e45640 - () https://git.kernel.org/stable/c/ed6ae1f325d3c43966ec1b62ac1459e2b8e45640 - Patch

13 Mar 2025, 13:15

Type Values Removed Values Added
References
  • () https://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1 -
  • () https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcc -
  • () https://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74d -
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ndisc: extender la protección de RCU en ndisc_send_skb() ndisc_send_skb() se puede llamar sin RTNL o RCU retenido. Adquiera rcu_read_lock() antes, para que podamos usar dev_net_rcu() y evitar un posible UAF.

27 Feb 2025, 18:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.8
CWE CWE-416

27 Feb 2025, 03:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-27 03:15

Updated : 2025-03-24 17:38

NVD link : CVE-2025-21760

Mitre link : CVE-2025-21760

CVE.ORG link : CVE-2025-21760

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-416

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