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CVE-2026-43334

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smp_cmd_pairing_req() currently builds the pairing response from the initiator auth_req before enforcing the local BT_SECURITY_HIGH requirement. If the initiator omits SMP_AUTH_MITM, the response can also omit it even though the local side still requires MITM. tk_request() then sees an auth value without SMP_AUTH_MITM and may select JUST_CF
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:31e4a0493e89e51028ac81327e92c24205b12b77252243b4260f656e270c408f
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":["net/bluetooth/smp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.3"},{"lessThan":"3.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrE…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/smp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"425a22c5373d4e1b46492ab869074ebeeade61f3","status":"affected","version":"2b64d153a0cc9d2b60e47be013cde8490f16e0a5","versionType":"git"},{"lessThan":"7ab69426e7ecbd18a222ee2ec87ca612d30197d7","status":"affected","version":"2b64d153a0cc9d2b60e47be013cde8490f16e0a5","versionType":"git"},{"lessThan":"01bb4045d2306c266178f49ce0c3576d237a3040","status":"affected","version":"2b64d153a0cc9d2b60e47be013…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/smp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.3"},{"lessThan":"3.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrE…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/smp.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"425a22c5373d4e1b46492ab869074ebeeade61f3","status":"affected","version":"2b64d153a0cc9d2b60e47be013cde8490f16e0a5","versionType":"git"},{"lessThan":"7ab69426e7ecbd18a222ee2ec87ca612d30197d7","status":"affected","version":"2b64d153a0cc9d2b60e47be013cde8490f16e0a5","versionType":"git"},{"lessThan":"01bb4045d2306c266178f49ce0c3576d237a3040","status":"affected","version":"2b64d153a0cc9d2b60e47be013…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/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:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/01bb4045d2306c266178f49ce0c3576d237a3040"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/425a22c5373d4e1b46492ab869074ebeeade61f3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/7ab69426e7ecbd18a222ee2ec87ca612d30197d7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/91649c02c1baaa18cedf7fb425fa1f0f852c8183"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c8ff0ca6508535bccabd81c5c9dcc63de8a3d4fb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/d05111bfe37bfd8bd4d2dfe6675d6bdeef43f7c7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/ec17efb1ef91506cfd17a77692eaf4bbacb520ea"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/fa14e0e19820b1bbdb42185c9c4efa950bcffef9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:88bfeaa7729b8ffca861e83aea0470bde007e7fd6d467c294a18d4dae09a206a · sha256:7a26f3a6cc2b8d21… · /containers/cna/references/5

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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