ACK: [SRU][Jammy-OEM-5.17][PATCH 0/2] CVE-2023-2513

[Tim Gardner]

On 8/7/23 2:01 PM, Yuxuan Luo wrote:
> [Impact]
> Under certain use case, ext4 file system will miscalculate memory size,
> resulting in allowing use-after-free to happen.
> 
> [Backport]
> These are two clean cherry picks.
> 
> [Test]
> Compile and boot tested.
> 
> [Potential Regression]
> Expecting minimal regression potential.
> 
> Baokun Li (2):
>    ext4: add EXT4_INODE_HAS_XATTR_SPACE macro in xattr.h
>    ext4: fix use-after-free in ext4_xattr_set_entry
> 
>   fs/ext4/xattr.c |  7 ++++---
>   fs/ext4/xattr.h | 13 +++++++++++++
>   2 files changed, 17 insertions(+), 3 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc