CVE-2023-34255 Information

Description

An issue was discovered in the Linux kernel through 6.3.5. There is a use-after-free in xfs_btree_lookup_get_block in fs/xfs/libxfs/xfs_btree.c because fs/xfs/xfs_buf_item_recover.c does not perform buffer content verification when log replay is skipped.

Reference

https://syzkaller.appspot.com/bug?extid=7e9494b8b399902e994e https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=22ed903eee23a5b174e240f1cdfa9acf393a5210