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.
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
Source: MITRE
Published: 2012-05-24
Updated: 2020-07-31
Type: CWE-400
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
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
OR
ID | Name | Product | Family | Severity |
---|---|---|---|---|
76639 | RHEL 6 : MRG (RHSA-2012:0333) | Nessus | Red Hat Local Security Checks | high |
75881 | openSUSE Security Update : kernel (openSUSE-SU-2011:1222-1) | Nessus | SuSE Local Security Checks | critical |
75556 | openSUSE Security Update : kernel (openSUSE-SU-2011:1221-1) | Nessus | SuSE Local Security Checks | critical |
69575 | Amazon Linux AMI : kernel (ALAS-2011-16) | Nessus | Amazon Linux Local Security Checks | high |
68364 | Oracle Linux 6 : kernel (ELSA-2011-1350) | Nessus | Oracle Linux Local Security Checks | medium |
61148 | Scientific Linux Security Update : kernel on SL6.x i386/x86_64 | Nessus | Scientific Linux Local Security Checks | medium |
57110 | SuSE 11.1 Security Update : Linux kernel (SAT Patch Number 5056) | Nessus | SuSE Local Security Checks | medium |
57109 | SuSE 11.1 Security Update : Linux kernel (SAT Patch Numbers 5031 / 5055) | Nessus | SuSE Local Security Checks | medium |
56768 | Ubuntu 10.04 LTS : linux-lts-backport-natty vulnerabilities (USN-1256-1) | Nessus | Ubuntu Local Security Checks | critical |
56466 | Ubuntu 10.10 : linux vulnerabilities (USN-1227-1) | Nessus | Ubuntu Local Security Checks | critical |
56404 | RHEL 6 : kernel (RHSA-2011:1350) | Nessus | Red Hat Local Security Checks | medium |
56344 | Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1219-1) | Nessus | Ubuntu Local Security Checks | critical |
56343 | Ubuntu 10.04 LTS : linux vulnerabilities (USN-1218-1) | Nessus | Ubuntu Local Security Checks | high |
56305 | Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-1216-1) | Nessus | Ubuntu Local Security Checks | high |
56257 | USN-1212-1 : linux-ti-omap4 vulnerabilities | Nessus | Ubuntu Local Security Checks | high |
56256 | Ubuntu 11.04 : linux vulnerabilities (USN-1211-1) | Nessus | Ubuntu Local Security Checks | high |
56207 | Ubuntu 10.10 : linux-mvl-dove vulnerabilities (USN-1208-1) | Nessus | Ubuntu Local Security Checks | high |
56192 | USN-1204-1 : linux-fsl-imx51 vulnerabilities | Nessus | Ubuntu Local Security Checks | high |
56191 | Ubuntu 10.04 LTS : linux-mvl-dove vulnerabilities (USN-1203-1) | Nessus | Ubuntu Local Security Checks | high |
56190 | USN-1202-1 : linux-ti-omap4 vulnerabilities | Nessus | Ubuntu Local Security Checks | high |
56130 | Debian DSA-2303-2 : linux-2.6 - privilege escalation/denial of service/information leak | Nessus | Debian Local Security Checks | critical |