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CVE-2024-36020

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CVE-2024-36020

Published: May 30, 2024

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
76ed715836c6994bac29d9638e9314e6e3b08651 - < cc9cd02dd9e8b7764ea9effb24f4f1dd73d1b23d
affected
e88c2a1e28c5475065563d66c07ca879a9afbd07 - < 9dcf0fcb80f6aeb01469e3c957f8d4c97365450a
affected
9abae363af5ced6adbf04c14366289540281fb26 - < b8e82128b44fa40bf99a50b919488ef361e1683c
affected
c39de3ae5075ea5f78e097cb5720d4e52d5caed9 - < 951d2748a2a8242853abc3d0c153ce4bf8faad31
affected
52424f974bc53c26ba3f00300a00e9de9afcd972 - < 3e89846283f3cf7c7a8e28b342576fd7c561d2ba

+9 more versions

Linux

Linux

affected
6.1
unaffected
0 - < 6.1
unaffected
4.19.312 - <= 4.19.*
unaffected
5.4.274 - <= 5.4.*
unaffected
5.10.215 - <= 5.10.*

+5 more versions

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