APPLIED [OEM-5.17/OEM-6.0] Re: [SRU][Jammy-OEM-5.17/OEM-6.0][PATCH 0/1] CVE-2022-4842

[Timo Aaltonen]

Yuxuan Luo kirjoitti 9.6.2023 klo 21.00:
> [Impact]
> The bug occours due to a misuse of `attr` variable instead of `attr_b`.  `attr`
> is being initialized as NULL, then being derenfernced as `attr->res.data_size`.
> This bug causes a crash of the ntfs3 driver itself, If compiled directly to the
> kernel, it crashes the whole system.
> 
> [Backport]
> It is a clean cherry pick.
> 
> [Test]
> Compile and smoke tested.
> 
> [Potential Regression]
> Expect minimal regression potential restricted within the scope.
> 
> Alon Zahavi (1):
>    fs/ntfs3: Fix attr_punch_hole() null pointer derenference
> 
>   fs/ntfs3/attrib.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 

applied to oem kernels, thanks

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