Description
In the Linux kernel, the following vulnerability has been resolved: driver core: fix potential NULL pointer dereference in dev_uevent() If userspace reads "uevent" device attribute at the same time as another threads unbinds the device from its driver, change to dev->driver from a valid pointer to NULL may result in crash. Fix this by using READ_ONCE() when fetching the pointer, and take bus' drivers klist lock to make sure driver instance will not disappear while we access it. Use WRITE_ONCE() when setting the driver pointer to ensure there is no tearing.
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
16574dccd8f62dc1b585325f8a6a0aab10047ed8 to < abe56be73eb10a677d16066f65ff9d30251f5eeeaffected16574dccd8f62dc1b585325f8a6a0aab10047ed8 to < 2b344e779d9afd0fcb5ee4000e4d0fc7d8d867ebaffected16574dccd8f62dc1b585325f8a6a0aab10047ed8 to < 3781e4b83e174364998855de777e184cf0b62c40affected16574dccd8f62dc1b585325f8a6a0aab10047ed8 to < 18daa52418e7e4629ed1703b64777294209d2622affected
Linux Linux
Default version status: affected
2.6.22affected0 to < 2.6.22unaffected6.6.89 to ≤ 6.6.*unaffected6.12.26 to ≤ 6.12.*unaffected6.14.5 to ≤ 6.14.*unaffected6.15 to ≤ *unaffected