A race condition in the Linux kernel before 5.5.7 involving VT_RESIZEX could lead to a NULL pointer dereference and general protection fault.
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Link | Tags |
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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6cd1ed50efd88261298577cd92a14f2768eddeeb | mailing list patch vendor advisory exploit |
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.7 | release notes patch vendor advisory |