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CVE-2026-63963

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers Properly validate the count passed from a device when calling svdm_consume_identity() or svdm_consume_identity_sop_prime() as the device-controlled value could index off of the static arrays, which could leak data.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:88796104049518020561aea3979cd4a407bd9f55f0119839220887a854812f5a
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":["drivers/usb/typec/tcpm/tcpm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"le…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/typec/tcpm/tcpm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"569f7971542eb10025d8a0989b83f28a29d8ba20","status":"affected","version":"f0690a25a140b853b1842fa80faf828601bb47e8","versionType":"git"},{"lessThan":"f9d787fbe83127105e42088cca40e5118db0d810","status":"affected","version":"f0690a25a140b853b1842fa80faf828601bb47e8","versionType":"git"},{"lessThan":"ed8649f3822e211d025bcab5158af6f8a38c8705","status":"affected","version":"f0690a25a140b853…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/typec/tcpm/tcpm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.12"},{"lessThan":"4.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.35","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.12","versionType":"semver"},{"le…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/typec/tcpm/tcpm.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"569f7971542eb10025d8a0989b83f28a29d8ba20","status":"affected","version":"f0690a25a140b853b1842fa80faf828601bb47e8","versionType":"git"},{"lessThan":"f9d787fbe83127105e42088cca40e5118db0d810","status":"affected","version":"f0690a25a140b853b1842fa80faf828601bb47e8","versionType":"git"},{"lessThan":"ed8649f3822e211d025bcab5158af6f8a38c8705","status":"affected","version":"f0690a25a140b853…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/affected/0

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/569f7971542eb10025d8a0989b83f28a29d8ba20"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/8fbc349e8383125dd2d8de1c1e926279d398ab17"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/ed8649f3822e211d025bcab5158af6f8a38c8705"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/f9d787fbe83127105e42088cca40e5118db0d810"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:149ae0944c84e19f85f219533959e18e780afedbdb87527d1cd34db9ae9c1137 · sha256:616e0d456ef6ca31… · /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.

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