CVE-2026-63954
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
hpfs: fix a crash if hpfs_map_dnode_bitmap fails
If hpfs_map_dnode_bitmap fails, the code would call hpfs_brelse4 on uninitialized quad buffer head, causing a crash.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 010b08084000ef018f1a8de5197087f3b91d8cfe | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d98d8562b3284b5a5c8eb67e71b794508e46e288 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1648a3c7f4e18f46a4881920133fc4f2494185a0 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7c58c55a2a16f7274772507bd1637be609351b4f | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1d73a533760bc5abb83b3cc759133596f7bb708f | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 0886c6f257fe3663f80218aa1919b0f3f21bf22c | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4f37bb30b57d6d403d02673074555bd3c3602bef | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 974820a59efde7c1a7e1260bcfe9bb81f833cc9f | affected |
| Linux | Linux | 2.6.12 | affected |
| Linux | Linux | 0 < 2.6.12 | unaffected |
| Linux | Linux | 5.10.259 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.210 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.176 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.143 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.93 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.35 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.12 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/010b08084000ef018f1a8de5197087f3b91d8cfe
- https://git.kernel.org/stable/c/d98d8562b3284b5a5c8eb67e71b794508e46e288
- https://git.kernel.org/stable/c/1648a3c7f4e18f46a4881920133fc4f2494185a0
- https://git.kernel.org/stable/c/7c58c55a2a16f7274772507bd1637be609351b4f
- https://git.kernel.org/stable/c/1d73a533760bc5abb83b3cc759133596f7bb708f
- https://git.kernel.org/stable/c/0886c6f257fe3663f80218aa1919b0f3f21bf22c
- https://git.kernel.org/stable/c/4f37bb30b57d6d403d02673074555bd3c3602bef
- https://git.kernel.org/stable/c/974820a59efde7c1a7e1260bcfe9bb81f833cc9f
Feedback
Was this page helpful?
Glad to hear it! Please tell us how we can improve.
Sorry to hear that. Please tell us how we can improve.