CVE-2011-2521
Medium
Description
The x86_assign_hw_event function in arch/x86/kernel/cpu/perf_event.c in the Performance Events subsystem in the Linux kernel before 2.6.39 does not properly calculate counter values, which allows local users to cause a denial of service (panic) via the perf program.
SeverityMedium
CVSS4.9
Exploit probability—
Product
Linux Kernel
PublishedMay 24, 2012
First seenMay 24, 2012
How to fix
Update
- linux linux_kernel2.6.39 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 2.6.39 | 2.6.39 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.