CVE-2011-2918

MEDIUM

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.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=a8b0ca17b80e92faab46ee7179ba9e99ccb61233

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.1

http://www.openwall.com/lists/oss-security/2011/08/16/1

https://bugzilla.redhat.com/show_bug.cgi?id=730706

https://github.com/torvalds/linux/commit/a8b0ca17b80e92faab46ee7179ba9e99ccb61233

Details

Source: MITRE

Published: 2012-05-24

Updated: 2020-07-31

Type: CWE-400

Risk Information

CVSS v2.0

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Tenable Plugins

View all (21 total)

IDNameProductFamilySeverity
76639RHEL 6 : MRG (RHSA-2012:0333)NessusRed Hat Local Security Checks
high
75881openSUSE Security Update : kernel (openSUSE-SU-2011:1222-1)NessusSuSE Local Security Checks
critical
75556openSUSE Security Update : kernel (openSUSE-SU-2011:1221-1)NessusSuSE Local Security Checks
critical
69575Amazon Linux AMI : kernel (ALAS-2011-16)NessusAmazon Linux Local Security Checks
high
68364Oracle Linux 6 : kernel (ELSA-2011-1350)NessusOracle Linux Local Security Checks
medium
61148Scientific Linux Security Update : kernel on SL6.x i386/x86_64NessusScientific Linux Local Security Checks
medium
57110SuSE 11.1 Security Update : Linux kernel (SAT Patch Number 5056)NessusSuSE Local Security Checks
medium
57109SuSE 11.1 Security Update : Linux kernel (SAT Patch Numbers 5031 / 5055)NessusSuSE Local Security Checks
medium
56768Ubuntu 10.04 LTS : linux-lts-backport-natty vulnerabilities (USN-1256-1)NessusUbuntu Local Security Checks
critical
56466Ubuntu 10.10 : linux vulnerabilities (USN-1227-1)NessusUbuntu Local Security Checks
critical
56404RHEL 6 : kernel (RHSA-2011:1350)NessusRed Hat Local Security Checks
medium
56344Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1219-1)NessusUbuntu Local Security Checks
critical
56343Ubuntu 10.04 LTS : linux vulnerabilities (USN-1218-1)NessusUbuntu Local Security Checks
high
56305Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-1216-1)NessusUbuntu Local Security Checks
high
56257USN-1212-1 : linux-ti-omap4 vulnerabilitiesNessusUbuntu Local Security Checks
high
56256Ubuntu 11.04 : linux vulnerabilities (USN-1211-1)NessusUbuntu Local Security Checks
high
56207Ubuntu 10.10 : linux-mvl-dove vulnerabilities (USN-1208-1)NessusUbuntu Local Security Checks
high
56192USN-1204-1 : linux-fsl-imx51 vulnerabilitiesNessusUbuntu Local Security Checks
high
56191Ubuntu 10.04 LTS : linux-mvl-dove vulnerabilities (USN-1203-1)NessusUbuntu Local Security Checks
high
56190USN-1202-1 : linux-ti-omap4 vulnerabilitiesNessusUbuntu Local Security Checks
high
56130Debian DSA-2303-2 : linux-2.6 - privilege escalation/denial of service/information leakNessusDebian Local Security Checks
critical