← CVE Intelligence

CVE-2023-53420

ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr() PUBLISHED

Description (CNA)

In the Linux kernel, the following vulnerability has been resolved: ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr() Here is a BUG report from syzbot: BUG: KASAN: slab-out-of-bounds in ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 Read of size 1 at addr ffff888021acaf3d by task syz-executor128/3632 Call Trace: ntfs_list_ea fs/ntfs3/xattr.c:191 [inline] ntfs_listxattr+0x401/0x570 fs/ntfs3/xattr.c:710 vfs_listxattr fs/xattr.c:457 [inline] listxattr+0x293/0x2d0 fs/xattr.c:804 Fix the logic of ea_all iteration. When the ea->name_len is 0, return immediately, or Add2Ptr() would visit invalid memory in the next loop. [almaz.alexandrovich@paragon-software.com: lines of the patch have changed]

Affected (CNA)

Vendor / productVersions
Linux / Linuxaffected be71b5cba2e6485e8959da7a9f9a44461a1bb074 before f3380d895e28a32632eb3609f5bd515adee4e5a1; affected be71b5cba2e6485e8959da7a9f9a44461a1bb074 before c86a2517df6c9304db8fb12b77136ec7a5d85994; affected be71b5cba2e6485e8959da7a9f9a44461a1bb074 before 721b75ea2dfce53a8890dff92ae01afca8e74f88; affected be71b5cba2e6485e8959da7a9f9a44461a1bb074 before 3c675ddffb17a8b1e32efad5c983254af18b12c2
Linux / Linuxaffected 5.15; unaffected 0 before 5.15; unaffected 5.15.121 through 5.15.*; unaffected 6.1.39 through 6.1.*; unaffected 6.4.4 through 6.4.*; unaffected 6.5 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.