Bug 2320590 (CVE-2024-50064)

Summary: CVE-2024-50064 kernel: zram: free secondary algorithms names
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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Hardware: All   
OS: Linux   
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Bug Depends On: 2320928    
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Description OSIDB Bzimport 2024-10-21 20:01:39 UTC 
In the Linux kernel, the following vulnerability has been resolved:

zram: free secondary algorithms names

We need to kfree() secondary algorithms names when reset zram device that
had multi-streams, otherwise we leak memory.

[senozhatsky: kfree(NULL) is legal]
  Link: https://lkml.kernel.org/r/20240917013021.868769-1-senozhatsky@chromium.org
Comment 1 Avinash Hanwate 2024-10-22 11:32:20 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024102136-CVE-2024-50064-33d1@gregkh/T
Comment 2 errata-xmlrpc 2025-05-13 08:31:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:6966 https://access.redhat.com/errata/RHSA-2025:6966