Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-63954

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:65f6748bfd4b15afb8c5fe1439cc2d3b61731dc78ef9c84898cfec2be352b92d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/hpfs/alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"010b08084000ef018f1a8de5197087f3b91d8cfe","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"d98d8562b3284b5a5c8eb67e71b794508e46e288","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1648a3c7f4e18f46a4881920133fc4f2494185a0","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/hpfs/alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanO…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/hpfs/alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"010b08084000ef018f1a8de5197087f3b91d8cfe","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"d98d8562b3284b5a5c8eb67e71b794508e46e288","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1648a3c7f4e18f46a4881920133fc4f2494185a0","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/hpfs/alloc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanO…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/010b08084000ef018f1a8de5197087f3b91d8cfe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/0886c6f257fe3663f80218aa1919b0f3f21bf22c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/1648a3c7f4e18f46a4881920133fc4f2494185a0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/1d73a533760bc5abb83b3cc759133596f7bb708f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/4f37bb30b57d6d403d02673074555bd3c3602bef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/7c58c55a2a16f7274772507bd1637be609351b4f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/974820a59efde7c1a7e1260bcfe9bb81f833cc9f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/d98d8562b3284b5a5c8eb67e71b794508e46e288"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6fb32c225d85865b0865ab64e85bd96617ef9d723ea776abf39680379f345702 · sha256:b418037653ae874f… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer