CVE Explorer

CVE-2026-63889

In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 An adjacent Fibre Channel fabric actor that can deliver an FPIN ELS frame to an lpfc or qla2xxx Linux initiator can trigger a non-return in the generic FC transport. This is not a local userspace or IP network path; the attacker must be able to inject fabric traffic, for example as a compromised switch or fabric controller, or as a same-zone N_Port on a fabric tha

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e23c66f23c1cc4b93d9bb280e3493d02d7ace4a432cfbd8aec56a98102303169

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":["drivers/scsi/scsi_transport_fc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"07776b7779c9426982c1ad74aad91bd531593790","status":"affected","version":"3dcfe0de5a9752e646a61f4ce513ac059960c7c3","versionType":"git"},{"lessThan":"29f126f09e34a425b376b3646c89aa7cc18b142c","status":"affected","version":"3dcfe0de5a9752e646a61f4ce513ac059960c7c3","versionType":"git"},{"lessThan":"163bd704d7515c3df6c2e03bcba93d1db79edbff","status":"affected","version":"3dcfe0de5a975…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/scsi/scsi_transport_fc.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions

{"url":"https://git.kernel.org/stable/c/07776b7779c9426982c1ad74aad91bd531593790"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/163bd704d7515c3df6c2e03bcba93d1db79edbff"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/29f126f09e34a425b376b3646c89aa7cc18b142c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/35461d23744175a78b6280293892cca357c22793"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/a9a39233ec1fc9f97ea1340a4d09bb7ec2be5153"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/bdff76dff6ec23d6fe35812fa33e5c4ce2cdb770"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/ee57b89e5da9fffbe0d26647e4ff0750dacb9943"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5b7ffc1afe3f9fbbd9f180df15b24a62f704002cf1615e6818889acb73df9cd2 · sha256:d1d03a0253942411… · /containers/cna/references/3

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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