VDB
CVE-2011-2521
CVE-2011-2521
PUBLISHED
CVSS 4.900000095367432 MEDIUM
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.
EPSS 0.06% · 19.9th percentile
Risk Scores
CVSS 2.0
4.900000095367432
EPSS Score
0.06%
19.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| linux | linux_kernel | 0 |
Exploit Intelligence
- https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e (circl)
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e (circl)
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 (circl)
- [oss-security] 20110706 Re: CVE request: kernel: perf, x86: fix Intel fixed counters base initialization (circl)
- https://bugzilla.redhat.com/show_bug.cgi?id=719228 (circl)
Timeline
- May 24, 2012 CVE Published
- Feb 4, 2022 EPSS Score
- Mar 29, 2022 EPSS Score
- May 20, 2022 EPSS Score
- Jul 12, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Oct 26, 2022 EPSS Score
- Dec 18, 2022 EPSS Score
- Feb 9, 2023 EPSS Score
- Mar 7, 2023 EPSS Score
- Apr 2, 2023 EPSS Score
- May 25, 2023 EPSS Score
References
- https://github.com/torvalds/linux/commit/fc66c5210ec2539e800e87d7b3a985323c7be96e url
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fc66c5210ec2539e800e87d7b3a985323c7be96e url
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39 url
- [oss-security] 20110706 Re: CVE request: kernel: perf, x86: fix Intel fixed counters base initialization mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=719228 url
- https://nvd.nist.gov/vuln/detail/CVE-2011-2521 advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fc66c5210ec2539e800e87d7b3a985323c7be96e url