Vulnerability Details : CVE-2011-4611
Integer overflow in the perf_event_interrupt function in arch/powerpc/kernel/perf_event.c in the Linux kernel before 2.6.39 on powerpc platforms allows local users to cause a denial of service (unhandled performance monitor exception) via vectors that trigger certain outcomes of performance events.
Vulnerability category: OverflowDenial of service
Threat overview for CVE-2011-4611
Top countries where our scanners detected CVE-2011-4611
Top open port discovered on systems with this issue
49152
IPs affected by CVE-2011-4611 1,556
Threat actors abusing to this issue?
Yes
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Exploit prediction scoring system (EPSS) score for CVE-2011-4611
Probability of exploitation activity in the next 30 days: 0.04%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 6 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2011-4611
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 |
CWE ids for CVE-2011-4611
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4611
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http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39
404 Not FoundBroken Link
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https://bugzilla.redhat.com/show_bug.cgi?id=767914
767914 – (CVE-2011-4611) CVE-2011-4611 kernel: perf, powerpc: Handle events that raise an exception without overflowingIssue Tracking;Third Party Advisory
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https://github.com/torvalds/linux/commit/0837e3242c73566fc1c0196b4ec61779c25ffc93
perf, powerpc: Handle events that raise an exception without overflowing · torvalds/linux@0837e32 · GitHubPatch;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2011/12/15/2
oss-security - Re: CVE request - kernel: perf, powerpc: Handle events that raise an exception without overflowingMailing List;Third Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0837e3242c73566fc1c0196b4ec61779c25ffc93
Products affected by CVE-2011-4611
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*