CVE-2023-53420

HIGH EPSS 4.5%
Published Sep 18, 20259mo ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Sep 18, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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]

CVSS Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
4.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥5.15  –  <5.15.121
linuxlinux_kernel*≥5.16  –  <6.1.39
linuxlinux_kernel*≥6.2  –  <6.4.4

References 4

  • git.kernel.org https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/3c675ddffb17a8b1e32efad5c983254af18b12c2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/721b75ea2dfce53a8890dff92ae01afca8e74f88
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c86a2517df6c9304db8fb12b77136ec7a5d85994
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f3380d895e28a32632eb3609f5bd515adee4e5a1
    Patch