[PATCH] soc: apple: rtkit: Fix use-after-free in apple_rtkit_crashlog_rx()
Sven Peter
sven at svenpeter.dev
Tue Feb 18 09:05:27 PST 2025
On Wed, 12 Feb 2025 00:58:53 -0800, Harshit Mogalapalli wrote:
> This code calls kfree(bfr); and then passes "bfr" to rtk->ops->crashed()
> which is a use after free. The ->crashed function pointer is implemented
> by apple_nvme_rtkit_crashed() and it doesn't use the "bfr" pointer so
> this doesn't cause a problem. But it still looks sketchy as can be.
>
> Fix this by moving kfree() after the last usage of bfr.
>
> [...]
Applied, thanks!
[1/1] soc: apple: rtkit: Fix use-after-free in apple_rtkit_crashlog_rx()
commit: 00834971f0d9e38beae37e92055b1432782827d0
Best regards,
--
Sven Peter <sven at svenpeter.dev>
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