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CVE-2026-64431

In the Linux kernel, the following vulnerability has been resolved: ntfs: avoid calling post_write_mst_fixup() for invalid index_block ntfs_icx_ib_sync_write() calls post_write_mst_fixup() when ntfs_ib_write() returns an error, intending to restore the buffer after a failed write. However, ntfs_ib_write() returns an error immediately if pre_write_mst_fixup() validation fails. The caller, ntfs_icx_ib_sync_write(), interprets any error as a write failure requiring rollback. It does not differen
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5ea556370a478afe0524e22262ea0b5c342337dd2fc951fb93a5b00e8de7db11
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":"affected","product":"Linux","programFiles":["fs/ntfs/index.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc3","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ntfs/index.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e2018628301a6d9f54e34b0cb417f1688c66df1d","status":"affected","version":"0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0","versionType":"git"},{"lessThan":"5b6eedd7cc2936f9238e852b553a1b326105bde8","status":"affected","version":"0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ntfs/index.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc3","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ntfs/index.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e2018628301a6d9f54e34b0cb417f1688c66df1d","status":"affected","version":"0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0","versionType":"git"},{"lessThan":"5b6eedd7cc2936f9238e852b553a1b326105bde8","status":"affected","version":"0a8ac0c1fa0b99a5b29002bc7f232ed7eafddef0","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/affected/0

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:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/5b6eedd7cc2936f9238e852b553a1b326105bde8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/e2018628301a6d9f54e34b0cb417f1688c66df1d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ecaff68a5bae18ad3f394ac0abe6d06c55dad0eb95e94bd7a57b8c47fd20826 · sha256:8ebc24858d6af0fb… · /containers/cna/references/0

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.

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