Answer in brief
CVE-2023-53420 records a High severity (CVSS 7.1) vulnerability in ntfs: Fix panic about slab-out-of-bounds caused by ntfs_listxattr(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | 5.15 | Not reported |
| Linux/Linuxgeneric | >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <f3380d895e28a32632eb3609f5bd515adee4e5a1 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <c86a2517df6c9304db8fb12b77136ec7a5d85994 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <721b75ea2dfce53a8890dff92ae01afca8e74f88 || >=be71b5cba2e6485e8959da7a9f9a44461a1bb074 <3c675ddffb17a8b1e32efad5c983254af18b12c2 | f3380d895e28a32632eb3609f5bd515adee4e5a1, c86a2517df6c9304db8fb12b77136ec7a5d85994, 721b75ea2dfce53a8890dff92ae01afca8e74f88, 3c675ddffb17a8b1e32efad5c983254af18b12c2 |
Published upstream
Sep 18, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
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. [[email protected]: lines of the patch have changed]
Quoted source text, attributed separately from HOL analysis.