Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 16574dccd8f62dc1b585325f8a6a0aab10047ed8 before abe56be73eb10a677d16066f65ff9d30251f5eee; affected 16574dccd8f62dc1b585325f8a6a0aab10047ed8 before 2b344e779d9afd0fcb5ee4000e4d0fc7d8d867eb; affected 16574dccd8f62dc1b585325f8a6a0aab10047ed8 before 3781e4b83e174364998855de777e184cf0b62c40; affected 16574dccd8f62dc1b585325f8a6a0aab10047ed8 before 18daa52418e7e4629ed1703b64777294209d2622 |
| Linux / Linux | affected 2.6.22; unaffected 0 before 2.6.22; unaffected 6.6.89 through 6.6.*; unaffected 6.12.26 through 6.12.*; unaffected 6.14.5 through 6.14.*; unaffected 6.15 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/abe56be73eb10a677d16066f65ff9d30251f5eee
- https://git.kernel.org/stable/c/2b344e779d9afd0fcb5ee4000e4d0fc7d8d867eb
- https://git.kernel.org/stable/c/3781e4b83e174364998855de777e184cf0b62c40
- https://git.kernel.org/stable/c/18daa52418e7e4629ed1703b64777294209d2622
ADP enrichment
No English description supplied.
No references supplied.