Vulnerability Details : 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.
Vulnerability category: Denial of service
Threat overview for CVE-2011-2918
Top countries where our scanners detected CVE-2011-2918
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-2918 2,636
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-2918
Probability of exploitation activity in the next 30 days: 0.05%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 14 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-2918
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2011-2918
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The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2918
-
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1
Mailing List;Patch;Vendor Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a8b0ca17b80e92faab46ee7179ba9e99ccb61233
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http://www.openwall.com/lists/oss-security/2011/08/16/1
oss-security - Re: CVE request -- kernel: perf: fix software event overflowMailing List;Patch;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=730706
730706 – (CVE-2011-2918) CVE-2011-2918 kernel: perf: Fix software event overflowIssue Tracking;Patch;Third Party Advisory
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https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233
perf: Remove the nmi parameter from the swevent and overflow interface · torvalds/linux@a8b0ca1 · GitHubPatch;Third Party Advisory
Products affected by CVE-2011-2918
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*