Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Handle incorrect num_connectors capability The UCSI spec states that the num_connectors field is 7 bits, and the 8th bit is reserved and should be set to zero. Some buggy FW has been known to set this bit, and it can lead to a system not booting. Flag that the FW is not behaving correctly, and auto-fix the value so that the system boots correctly. Found on Lenovo P1 G8 during Linux enablement program. The FW will be fixed, but seemed worth addressing in case it hit platforms that aren't officially Linux supported.
Product status
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before 07c8d2a109d847775b3b4e2c3294c8e1eea75432
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before 58941bbb0050e365a98c64f1fc4a9a0ac127dba6
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before f72f97d0aee4a993a35f2496bca5efd24827235d
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before 914605b0de8128434eafc9582445306830748b93
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before 3042a57a8e8bce4a3100c3f6f03dc372aab24943
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before 132fe187e0d940f388f839fe2cde9b84106ad20d
c1b0bc2dabfa884dea49c02adaf3cd6b52b33d2f (git) before 30cd2cb1abf4c4acdb1ddb468c946f68939819fb
4.13
Any version before 4.13
5.10.248 (semver)
5.15.198 (semver)
6.1.160 (semver)
6.6.120 (semver)
6.12.64 (semver)
6.18.3 (semver)
6.19 (original_commit_for_fix)
References
git.kernel.org/...c/07c8d2a109d847775b3b4e2c3294c8e1eea75432
git.kernel.org/...c/58941bbb0050e365a98c64f1fc4a9a0ac127dba6
git.kernel.org/...c/f72f97d0aee4a993a35f2496bca5efd24827235d
git.kernel.org/...c/914605b0de8128434eafc9582445306830748b93
git.kernel.org/...c/3042a57a8e8bce4a3100c3f6f03dc372aab24943
git.kernel.org/...c/132fe187e0d940f388f839fe2cde9b84106ad20d
git.kernel.org/...c/30cd2cb1abf4c4acdb1ddb468c946f68939819fb