Bug 2334799 (CVE-2024-56713)

Summary: CVE-2024-56713 kernel: net: netdevsim: fix nsim_pp_hold_write()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, mmilgram, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2024-12-29 09:01:51 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: netdevsim: fix nsim_pp_hold_write()

nsim_pp_hold_write() has two problems:

1) It may return with rtnl held, as found by syzbot.

2) Its return value does not propagate an error if any.
Comment 1 Avinash Hanwate 2024-12-29 09:58:11 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024122914-CVE-2024-56713-f78a@gregkh/T