[SRU][F][PATCH 0/1] CVE-2022-48674

[Thibault Ferrante]

On 28-06-2024 10:23, Juerg Haefliger wrote:
> https://ubuntu.com/security/CVE-2022-48674
> 
> [ Impact ]
> 
> During stress testing with CONFIG_SMP disabled, KASAN reports as below:
> 
> ==================================================================
> BUG: KASAN: use-after-free in __mutex_lock+0xe5/0xc30
> Read of size 8 at addr ffff8881094223f8 by task stress/7789
> 
> 
> [ Test Case ]
> 
> Compile tested only.
> 
> 
> [ Where Problems Could Occur ]
> 
> Isolated to the erofs driver. Only users of that filesystem may encounter issue. But
> CONFIG_SMP is enabled in Ubuntu so this change should not make any difference at all.
Shouldn't the CVE in this case reclassified as `Not vulnerable` ?

> 
> 
> Gao Xiang (1):
>    erofs: fix pcluster use-after-free on UP platforms
> 
>   fs/erofs/internal.h | 29 -----------------------------
>   1 file changed, 29 deletions(-)
> 


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Thibault