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CVE PROGRAM SOURCE RECORD7.1 High

CVE-2023-53420

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

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Status
Published
Published
Updated
Assigning organization
Linux

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]

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • be71b5cba2e6485e8959da7a9f9a44461a1bb074 to < f3380d895e28a32632eb3609f5bd515adee4e5a1affected
  • be71b5cba2e6485e8959da7a9f9a44461a1bb074 to < c86a2517df6c9304db8fb12b77136ec7a5d85994affected
  • be71b5cba2e6485e8959da7a9f9a44461a1bb074 to < 721b75ea2dfce53a8890dff92ae01afca8e74f88affected
  • be71b5cba2e6485e8959da7a9f9a44461a1bb074 to < 3c675ddffb17a8b1e32efad5c983254af18b12c2affected

Linux Linux

Default version status: affected

  • 5.15affected
  • 0 to < 5.15unaffected
  • 5.15.121 to ≤ 5.15.*unaffected
  • 6.1.39 to ≤ 6.1.*unaffected
  • 6.4.4 to ≤ 6.4.*unaffected
  • 6.5 to ≤ *unaffected

References