CVE-2024-36020
In the Linux kernel, the following vulnerability has been resolved: i40e: fix vf may be used uninitialized in this function warning To fix the regression introduced by commit 52424f974bc5, which causes servers hang in very hard to reproduce conditions…
Does this matter?
Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.
Description
In the Linux kernel, the following vulnerability has been resolved: i40e: fix vf may be used uninitialized in this function warning To fix the regression introduced by commit 52424f974bc5, which causes servers hang in very hard to reproduce conditions with resets races. Using two sources for the information is the root cause. In this function before the fix bumping v didn't mean bumping vf pointer. But the code used this variables interchangeably, so stale vf could point to different/not intended vf. Remove redundant "v" variable and iterate via single VF pointer across whole function instead to guarantee VF pointer validity.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-908
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/06df7618f591b2dc43c59967e294d7b9fc8675b6Patch
- https://git.kernel.org/stable/c/0dcf573f997732702917af1563aa2493dc772fc0Patch
- https://git.kernel.org/stable/c/3e89846283f3cf7c7a8e28b342576fd7c561d2baPatch
- https://git.kernel.org/stable/c/951d2748a2a8242853abc3d0c153ce4bf8faad31Patch
- https://git.kernel.org/stable/c/9dcf0fcb80f6aeb01469e3c957f8d4c97365450aPatch
- https://git.kernel.org/stable/c/b8e82128b44fa40bf99a50b919488ef361e1683cPatch
- https://git.kernel.org/stable/c/cc9cd02dd9e8b7764ea9effb24f4f1dd73d1b23dPatch
- https://git.kernel.org/stable/c/f37c4eac99c258111d414d31b740437e1925b8e8Patch
- https://git.kernel.org/stable/c/06df7618f591b2dc43c59967e294d7b9fc8675b6Patch
- https://git.kernel.org/stable/c/0dcf573f997732702917af1563aa2493dc772fc0Patch
- https://git.kernel.org/stable/c/3e89846283f3cf7c7a8e28b342576fd7c561d2baPatch
- https://git.kernel.org/stable/c/951d2748a2a8242853abc3d0c153ce4bf8faad31Patch
- https://git.kernel.org/stable/c/9dcf0fcb80f6aeb01469e3c957f8d4c97365450aPatch
- https://git.kernel.org/stable/c/b8e82128b44fa40bf99a50b919488ef361e1683cPatch
- https://git.kernel.org/stable/c/cc9cd02dd9e8b7764ea9effb24f4f1dd73d1b23dPatch
- https://git.kernel.org/stable/c/f37c4eac99c258111d414d31b740437e1925b8e8Patch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlThird Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.