Bug 2270116 (CVE-2024-26634) - CVE-2024-26634 kernel: net: fix removing a namespace with conflicting altnames
Summary: CVE-2024-26634 kernel: net: fix removing a namespace with conflicting altnames
Keywords:
Status: NEW
Alias: CVE-2024-26634
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2270117
Blocks: 2270180
TreeView+ depends on / blocked
 
Reported: 2024-03-18 13:44 UTC by Zack Miele
Modified: 2024-06-21 10:50 UTC (History)
50 users (show)

Fixed In Version: kernel 6.1.76, kernel 6.6.15, kernel 6.7.3, kernel 6.8
Doc Type: If docs needed, set a value
Doc Text:
A vulnerability was found in network subsystem of Linux Kernel causing a system crash when removing a network namespace with conflicting alternate names. When physical interfaces are moved back to the initial namespace, the main interface name could be overwritten if it conflicts, but conflicting alternate names were not properly discarded, leading to DoS.
Clone Of:
Environment:
Last Closed:
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Description Zack Miele 2024-03-18 13:44:38 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: fix removing a namespace with conflicting altnames

The Linux kernel CVE team has assigned CVE-2024-26634 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/20240318101458.2835626-12-lee@kernel.org/T
Comment 1 Zack Miele 2024-03-18 13:45:11 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2270117]
Comment 5 Justin M. Forbes 2024-03-25 19:38:37 UTC 
This was fixed for Fedora with the 6.7.3 stable kernel updates.
Comment 7 Alex 2024-06-09 13:10:08 UTC 
The result of automatic check (that is developed by Alexander Larkin) for this CVE-2024-26634 is: 	SKIP	The Fixes patch not applied yet, so unlikely that actual: 7663d522099ecc464512164e660bc771b2ff7b64	YES			NO	NO	unknown (where first YES/NO value means if related sources built).
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