CVE-2024-36020
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
30/05/2024
Last modified:
05/11/2024
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
i40e: fix vf may be used uninitialized in this function warning<br />
<br />
To fix the regression introduced by commit 52424f974bc5, which causes<br />
servers hang in very hard to reproduce conditions with resets races.<br />
Using two sources for the information is the root cause.<br />
In this function before the fix bumping v didn&#39;t mean bumping vf<br />
pointer. But the code used this variables interchangeably, so stale vf<br />
could point to different/not intended vf.<br />
<br />
Remove redundant "v" variable and iterate via single VF pointer across<br />
whole function instead to guarantee VF pointer validity.
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/06df7618f591b2dc43c59967e294d7b9fc8675b6
- https://git.kernel.org/stable/c/0dcf573f997732702917af1563aa2493dc772fc0
- https://git.kernel.org/stable/c/3e89846283f3cf7c7a8e28b342576fd7c561d2ba
- https://git.kernel.org/stable/c/951d2748a2a8242853abc3d0c153ce4bf8faad31
- https://git.kernel.org/stable/c/9dcf0fcb80f6aeb01469e3c957f8d4c97365450a
- https://git.kernel.org/stable/c/b8e82128b44fa40bf99a50b919488ef361e1683c
- https://git.kernel.org/stable/c/cc9cd02dd9e8b7764ea9effb24f4f1dd73d1b23d
- https://git.kernel.org/stable/c/f37c4eac99c258111d414d31b740437e1925b8e8