VulnerabilityModified
CVE-2011-2918
The Performance Events subsystem in the Linux kernel before 3.1 does not properly handle event overflows associated with PERF_COUNT_SW_CPU_CLOCK events, which allows local users to cause a denial of service (system hang) via a crafted application.
MEDIUM 5.5EPSS 0.92%
Does this matter?
Lower severity and a low EPSS score (0.92%). Track it; it rarely justifies an emergency change on its own.
Description
The Performance Events subsystem in the Linux kernel before 3.1 does not properly handle event overflows associated with PERF_COUNT_SW_CPU_CLOCK events, which allows local users to cause a denial of service (system hang) via a crafted application.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- linux/linux kernel
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2011/08/16/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=730706Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233Patch, Third Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1Mailing List, Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2011/08/16/1Mailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=730706Issue Tracking, Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.