4 matches found
CVE-2022-49782
In the Linux kernel, the following vulnerability has been resolved: perf: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in perfeventoverflow, which fires if pendingsigtrap was already set: returning to user space without consuming pendingsigtrap, and then having the...
CVE-2022-49782
In the Linux kernel, the following vulnerability has been resolved: perf: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in perfeventoverflow, which fires if pendingsigtrap was already set: returning to user space without consuming pendingsigtrap, and then having the...
CVE-2022-49782
CVE-2022-49782 affects the Linux kernel perf subsystem, where __perf_event_overflow incorrectly handled missing SIGTRAP, allowing a scenario where hrtimer/irq work could re-enter kernel space before returning to user space. The fix introduces a 32‑bit hash of the current IP into pending_sigtrap t...
CVE-2022-49782
In the Linux kernel, the following vulnerability has been resolved: perf: Improve missing SIGTRAP checking To catch missing SIGTRAP we employ a WARN in perfeventoverflow, which fires if pendingsigtrap was already set: returning to user space without consuming pendingsigtrap, and then having the...