A use-after-free flaw was found in kernel/trace/ring_buffer.c in Linux kernel (before 5.10-rc1). There was a race problem in trace_open and resize of cpu buffer running parallely on different cpus, may cause a denial of service problem (DOS). This flaw could even allow a local attacker with special user privilege to a kernel information leak threat.
| Product | Vendor | Version |
|---|---|---|
| kernel | n/a | 2.6.25 |
| kernel | n/a | < a7075f501bd33c93570af759b6f4302ef0175168 |