APPLIED: [SRU][F/J][PATCH 0/2] CVE-2024-39494

[Stefan Bader]

On 27.08.24 12:13, Juerg Haefliger wrote:
> https://ubuntu.com/security/CVE-2024-39494
> 
> [ Impact ]
> 
> Potential use-after-free if IMA is enabled and measured files are renamed.
> 
> 
> [ Test Case ]
> 
> Enabled IMA and verified that (some) measurements were taken without
> catastrophic results. Note that not all of the modified (crucial) paths
> were taken (don't know how to force the exact condition).
> 
> 
> [ Where Problems Could Occur ]
> 
> Problems might show up if IMA is enabled (via a kernel commandline option)
> and the kernel collects hashes of files or performs other IMA related operations.
> There are also minor modifications of generic fs routines so any filesystem
> operation could cause issues.
> 

Applied to jammy,focal:linux/master-next (actually picked up from the 
prepared security cycle). Thanks.

-Stefan
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