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CVE-2026-63954

hpfs: fix a crash if hpfs_map_dnode_bitmap fails PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 010b08084000ef018f1a8de5197087f3b91d8cfe; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before d98d8562b3284b5a5c8eb67e71b794508e46e288; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 1648a3c7f4e18f46a4881920133fc4f2494185a0; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 7c58c55a2a16f7274772507bd1637be609351b4f; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 1d73a533760bc5abb83b3cc759133596f7bb708f; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 0886c6f257fe3663f80218aa1919b0f3f21bf22c; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 4f37bb30b57d6d403d02673074555bd3c3602bef; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 974820a59efde7c1a7e1260bcfe9bb81f833cc9f
Linux / Linuxaffected 2.6.12; unaffected 0 before 2.6.12; unaffected 5.10.259 through 5.10.*; unaffected 5.15.210 through 5.15.*; unaffected 6.1.176 through 6.1.*; unaffected 6.6.143 through 6.6.*; unaffected 6.12.93 through 6.12.*; unaffected 6.18.35 through 6.18.*; unaffected 7.0.12 through 7.0.*; unaffected 7.1 through *

CWE

No CWE identifiers supplied.

References