Vulnerability Details : CVE-2011-2517
Multiple buffer overflows in net/wireless/nl80211.c in the Linux kernel before 2.6.39.2 allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability during scan operations with a long SSID value.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2011-2517
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-2011-2517
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST |
CWE ids for CVE-2011-2517
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The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-2517
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https://github.com/torvalds/linux/commit/208c72f4fe44fe09577e7975ba0e7fa0278f3d03
nl80211: fix check for valid SSID size in scan operations · torvalds/linux@208c72f · GitHubPatch;Third Party Advisory
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http://rhn.redhat.com/errata/RHSA-2011-1212.html
RHSA-2011:1212 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=718152
718152 – (CVE-2011-2517) CVE-2011-2517 kernel: nl80211: missing check for valid SSID size in scan operationsIssue Tracking;Third Party Advisory
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http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.2
404 Not FoundBroken Link
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http://www.openwall.com/lists/oss-security/2011/07/01/4
oss-security - Re: CVE request: kernel: nl80211: missing check for valid SSID size in scan operationsMailing List;Third Party Advisory
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=208c72f4fe44fe09577e7975ba0e7fa0278f3d03
Products affected by CVE-2011-2517
- cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*