Linux Kernel Privilege Escalation Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 15/09/2022. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| Kernel | Versions not published yet (product named by CISA KEV) | |
The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9 uses an incorrect integer data type, which allows local users to gain privileges via a crafted perf_event_open system call.
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