Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: unregister debugfs entries on teardown ucsi_register() creates per-instance debugfs entries, but ucsi_unregister() keeps them around until ucsi_destroy(). Drivers like ucsi_glink that unregister/register the same UCSI instance across remoteproc restart then try to create an already existing debugfs directory and log: debugfs: 'pmic_glink.ucsi.0' already exists in 'ucsi' Unregister debugfs entries as part of ucsi_unregister(), and clear ucsi->debugfs after freeing it so repeated unregister paths remain safe.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
df0383ffad64dc09954a60873c1e202b47f08d90 to < fb7393519908befdc094be4ea913f582adbf2f7caffecteddf0383ffad64dc09954a60873c1e202b47f08d90 to < 7177c215e69658adbd2f2fc5b72e14be9208d2baaffecteddf0383ffad64dc09954a60873c1e202b47f08d90 to < 1f44d001620fd3caa30619a9bc73e9d15555408baffecteddf0383ffad64dc09954a60873c1e202b47f08d90 to < 62efee351566321ad72a4abaf6eb7d972590585daffecteddf0383ffad64dc09954a60873c1e202b47f08d90 to < eed73a65ab609b79d53de88cccc34b36dfe753c4affected
Linux Linux
Default version status: affected
6.6affected0 to < 6.6unaffected6.6.157 to ≤ 6.6.*unaffected6.12.110 to ≤ 6.12.*unaffected6.18.52 to ≤ 6.18.*unaffected7.2.6 to ≤ 7.2.*unaffected7.3 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/fb7393519908befdc094be4ea913f582adbf2f7c ↗
- https://git.kernel.org/stable/c/7177c215e69658adbd2f2fc5b72e14be9208d2ba ↗
- https://git.kernel.org/stable/c/1f44d001620fd3caa30619a9bc73e9d15555408b ↗
- https://git.kernel.org/stable/c/62efee351566321ad72a4abaf6eb7d972590585d ↗
- https://git.kernel.org/stable/c/eed73a65ab609b79d53de88cccc34b36dfe753c4 ↗