Answer in brief
CVE-2022-50581 records a High severity (CVSS 7.8) vulnerability in hfs: fix OOB Read in __hfs_brec_find. 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 7.8. 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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8c40f2dbae603ef0bd21e87c63f54ec59fd88256 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <c886c10a6eddb99923b315f42bf63f448883ef9a || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <2344f17c0a89c181ab1a9fef57fd8c3bddfd6e30 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <90103ccb6e60aa4efe48993d23d6a528472f2233 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <4fd3a11804c8877ff11fec59c5c53f1635331e3e || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <367296925c7625c3969d2a78d7a3e1dee161beb5 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <e9e692917c6e10a7066c7a6d092dcdc3d4e329f3 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bfc9d8f27f89717431a6aecce42ae230b437433f || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8d824e69d9f3fa3121b2dda25053bae71e2460d2 | 8c40f2dbae603ef0bd21e87c63f54ec59fd88256, c886c10a6eddb99923b315f42bf63f448883ef9a, 2344f17c0a89c181ab1a9fef57fd8c3bddfd6e30, 90103ccb6e60aa4efe48993d23d6a528472f2233, 4fd3a11804c8877ff11fec59c5c53f1635331e3e, 367296925c7625c3969d2a78d7a3e1dee161beb5, e9e692917c6e10a7066c7a6d092dcdc3d4e329f3, bfc9d8f27f89717431a6aecce42ae230b437433f, 8d824e69d9f3fa3121b2dda25053bae71e2460d2 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Oct 22, 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 4, 2026
In the Linux kernel, the following vulnerability has been resolved: hfs: fix OOB Read in __hfs_brec_find Syzbot reported a OOB read bug: ================================================================== BUG: KASAN: slab-out-of-bounds in hfs_strcmp+0x117/0x190 fs/hfs/string.c:84 Read of size 1 at addr ffff88807eb62c4e by task kworker/u4:1/11 CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0 Workqueue: writeback wb_workfn (flush-7:0) Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x1f0 mm/kasan/report.c:395 kasan_report+0xcd/0x100 mm/kasan/report.c:495 hfs_strcmp+0x117/0x190 fs/hfs/string.c:84 __hfs_brec_find+0x213/0x5c0 fs/hfs/bfind.c:75 hfs_brec_find+0x276/0x520 fs/hfs/bfind.c:138 hfs_write_inode+0x34c/0xb40 fs/hfs/inode.c:462 write_inode fs/fs-writeback.c:1440 [inline] If the input inode of hfs_write_inode() is incorrect: struct inode struct hfs_inode_info struct hfs_cat_key struct hfs_name u8 len # len is greater than HFS_NAMELEN(31) which is the maximum length of an HFS filename OOB read occurred: hfs_write_inode() hfs_brec_find() __hfs_brec_find() hfs_cat_keycmp() hfs_strcmp() # OOB read occurred due to len is too large Fix this by adding a Check on len in hfs_write_inode() before calling hfs_brec_find().
Quoted source text, attributed separately from HOL analysis.