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CVE-2021-45469: Linux kernel: an out-of-bounds memory access in fs/f2fs/xattr.c __f2fs_setxattr
From: Wenqing Liu <liu () cs fsu edu>
Date: Fri, 24 Dec 2021 22:20:14 -0500
Description:In __f2fs_setxattr in fs/f2fs/xattr.c in the Linux kernel through 5.15.11, there is an out-of-bounds memory access when an inode has an invalid last xattr entry. Could cause denial of service or other issues when mounting and operate on the crafted image.
References: https://bugzilla.kernel.org/show_bug.cgi?id=215235 https://git.kernel.org/pub/scm/linux/kernel/git/chao/linux.git/commit/?h=dev&id=5598b24efaf4892741c798b425d543e4bed357a1
Current thread:
- CVE-2021-45469: Linux kernel: an out-of-bounds memory access in fs/f2fs/xattr.c __f2fs_setxattr Wenqing Liu (Dec 24)