CVE Explorer

CVE-2026-64052

In the Linux kernel, the following vulnerability has been resolved: block: bio-integrity: Fix null-ptr-deref in bio_integrity_map_user() pin_user_pages_fast() can partially succeed and return the number of pages that were actually pinned. However, the bio_integrity_map_user() does not handle this partial pinning. This leads to a general protection fault since bvec_from_pages() dereferences an unpinned page address, which is 0. To fix this, add a check to verify that all requested memory is pi

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:65e14f562ff53e94c7cfee2344ea5b69ea4856baf833af1847d8560028491168

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["block/bio-integrity.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"77c059f41e9395793917d067476f549a911d77d3","status":"affected","version":"492c5d455969fc2e829f26ed4c83487b068f0dd7","versionType":"git"},{"lessThan":"76410790f1491c8e06a451045ae223a61c652455","status":"affected","version":"492c5d455969fc2e829f26ed4c83487b068f0dd7","versionType":"git"},{"lessThan":"8fa244738641d95ea4d70e6f9a62778bba42a5b7","status":"affected","version":"492c5d455969fc2e829f26ed…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["block/bio-integrity.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.34","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.11","versionType":"semver"},{"lessThanOrEq…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/affected/1

Source references

4 source assertions

{"url":"https://git.kernel.org/stable/c/76410790f1491c8e06a451045ae223a61c652455"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/77c059f41e9395793917d067476f549a911d77d3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/8582792cf23b3d94674d4d838f7cde9a28d0fcaf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/8fa244738641d95ea4d70e6f9a62778bba42a5b7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:908e3eb0d2114cca9620941bacc1dbc31704e63b108167daaf698855f14fb2c4 · sha256:8b30cd49e256794e… · /containers/cna/references/2

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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