CVE-2024-50215
HIGH severity · CVSS 8.1 · Double free
8.1CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: assign dh_key to NULL after kfree_sensitive ctrl->dh_key might be used across multiple calls to nvmet_setup_dhgroup() for the same controller. So it's better to nullify it after release on error path in order to avoid double free later in nvmet_destroy_auth(). Found by Linux Verification Center (linuxtesting.org) with Svace.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/c60af16e1d6cc2237d58336546d6adfc067b6b8f ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/c60af16e1d6cc2237d58336546d6adfc067b6b8fPatch
- https://git.kernel.org/stable/c/c94e965f766321641ec38e4eece9ce8884543244Patch
- https://git.kernel.org/stable/c/d2f551b1f72b4c508ab9298419f6feadc3b5d791Patch
- https://git.kernel.org/stable/c/e61bd51e44409495d75847e9230736593e4c8710Patch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html