Bug 2348016 (CVE-2022-49579)

Summary:	CVE-2022-49579 kernel: ipv4: Fix data-races around sysctl_fib_multipath_hash_policy.
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	dfreiber, drow, jburrell, vkumar
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Hardware:	All
OS:	Linux
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description OSIDB Bzimport 2025-02-26 03:14:41 UTC

In the Linux kernel, the following vulnerability has been resolved:

ipv4: Fix data-races around sysctl_fib_multipath_hash_policy.

While reading sysctl_fib_multipath_hash_policy, it can be changed
concurrently.  Thus, we need to add READ_ONCE() to its readers.

Comment 1 Avinash Hanwate 2025-02-26 12:20:23 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022608-CVE-2022-49579-4f40@gregkh/T

Comment 4 Avinash Hanwate 2025-02-26 16:36:20 UTC

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025022608-CVE-2022-49579-4f40@gregkh/T