CVE Explorer

CVE-2026-63958

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: validate connector number in ucsi_connector_change() The connector number in a UCSI CCI notification is a 7-bit field supplied by the PPM. ucsi_connector_change() uses it to index the ucsi->connector[] array without checking it against the number of connectors the PPM reported at init time, so a buggy or malicious PPM (EC firmware, or an I2C-attached UCSI controller on the ccg / stm32g0 / glink transports) c

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6a8a0a812205ae3b65aa9c4e9ae340f45a20a440617fa9ba20a9b60685db7006

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/usb/typec/ucsi/ucsi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.13"},{"lessThan":"4.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.93","versionType":"semver"},{"le…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/usb/typec/ucsi/ucsi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"cea949203faef9cb783adc7b978cce056271e057","status":"affected","version":"c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f","versionType":"git"},{"lessThan":"156b6f0aec6108909b0c4aedc78865b12766b347","status":"affected","version":"c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f","versionType":"git"},{"lessThan":"bd24d92af4ae021b6209f28e9a57e1bf2260d4fd","status":"affected","version":"c1b0bc2dabfa884d…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/affected/0

Source references

6 source assertions

{"url":"https://git.kernel.org/stable/c/0edd1e21587b0483c7ceb993b9fb9668bbef7433"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/156b6f0aec6108909b0c4aedc78865b12766b347"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/288a81a8507052bcfbf884d39a463c44c42c5fd9"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/5af2719b460ab904c504fc069d1dd2a3aa2b22b0"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/bd24d92af4ae021b6209f28e9a57e1bf2260d4fd"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/cea949203faef9cb783adc7b978cce056271e057"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7ba9aa1fcfe2f56e6e31c4c65440ee7e74ef7b86a07199e6fb4eeb5abffc4b79 · sha256:a50208b4718e25dd… · /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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