Bug 2363386 (CVE-2022-49795)

Summary: CVE-2022-49795 kernel: rethook: fix a potential memleak in rethook_alloc()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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OS: Linux   
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Description OSIDB Bzimport 2025-05-01 15:02:46 UTC 
In the Linux kernel, the following vulnerability has been resolved:

rethook: fix a potential memleak in rethook_alloc()

In rethook_alloc(), the variable rh is not freed or passed out
if handler is NULL, which could lead to a memleak, fix it.

[Masami: Add "rethook:" tag to the title.]

Acke-by: Masami Hiramatsu (Google) <mhiramat>
Comment 1 Avinash Hanwate 2025-05-02 03:37:10 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050124-CVE-2022-49795-e512@gregkh/T