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 perf: Improve missing SIGTRAP checking

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...

PT-2025-18499 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.1.0-rc2-syzkaller-00073-g88619e77b33d Description: A vulnerability has been resolved in the Linux kernel related to missing SIGTRAP checking. The issue occurs when some events not associated with progress in t...

PT-2022-35958 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v6.0.7 through v6.0.10 Description: The issue concerns missing SIGTRAP checking, which may potentially lead to security vulnerabilities. However, the actual impact and attack plausibility have not yet been proven. It was...