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Description

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]

PUBLISHED Reserved 2025-09-17 | Published 2025-09-18 | Updated 2025-09-18 | Assigner Linux

Product status

Default status
unaffected

be71b5cba2e6485e8959da7a9f9a44461a1bb074 (git) before f3380d895e28a32632eb3609f5bd515adee4e5a1
affected

be71b5cba2e6485e8959da7a9f9a44461a1bb074 (git) before c86a2517df6c9304db8fb12b77136ec7a5d85994
affected

be71b5cba2e6485e8959da7a9f9a44461a1bb074 (git) before 721b75ea2dfce53a8890dff92ae01afca8e74f88
affected

be71b5cba2e6485e8959da7a9f9a44461a1bb074 (git) before 3c675ddffb17a8b1e32efad5c983254af18b12c2
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

5.15.121 (semver)
unaffected

6.1.39 (semver)
unaffected

6.4.4 (semver)
unaffected

6.5 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/f3380d895e28a32632eb3609f5bd515adee4e5a1

git.kernel.org/...c/c86a2517df6c9304db8fb12b77136ec7a5d85994

git.kernel.org/...c/721b75ea2dfce53a8890dff92ae01afca8e74f88

git.kernel.org/...c/3c675ddffb17a8b1e32efad5c983254af18b12c2

cve.org (CVE-2023-53420)

nvd.nist.gov (CVE-2023-53420)

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