CVE-2011-1082

medium
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Description

fs/eventpoll.c in the Linux kernel before 2.6.38 places epoll file descriptors within other epoll data structures without properly checking for (1) closed loops or (2) deep chains, which allows local users to cause a denial of service (deadlock or stack memory consumption) via a crafted application that makes epoll_create and epoll_ctl system calls.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e

http://openwall.com/lists/oss-security/2011/03/02/1

http://openwall.com/lists/oss-security/2011/03/02/2

http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38

https://bugzilla.redhat.com/show_bug.cgi?id=681575

https://lkml.org/lkml/2011/2/5/220

Details

Source: MITRE

Published: 2011-04-04

Updated: 2020-08-07

Type: CWE-400

Risk Information

CVSS v2

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

Vulnerable Software

Configuration 1

OR

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

Tenable Plugins

View all (16 total)

IDNameProductFamilySeverity
75879openSUSE Security Update : kernel (openSUSE-SU-2011:0416-1)NessusSuSE Local Security Checks
high
75554openSUSE Security Update : kernel (openSUSE-SU-2011:0399-1)NessusSuSE Local Security Checks
high
68417Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2011-2016)NessusOracle Linux Local Security Checks
high
65103Ubuntu 10.04 LTS / 10.10 : linux-mvl-dove vulnerabilities (USN-1093-1)NessusUbuntu Local Security Checks
high
63986RHEL 6 : kernel (RHSA-2011:0883)NessusRed Hat Local Security Checks
high
61041Scientific Linux Security Update : kernel on SL6.x i386/x86_64NessusScientific Linux Local Security Checks
medium
56192USN-1204-1 : linux-fsl-imx51 vulnerabilitiesNessusUbuntu Local Security Checks
high
56190USN-1202-1 : linux-ti-omap4 vulnerabilitiesNessusUbuntu Local Security Checks
high
55785Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1187-1)NessusUbuntu Local Security Checks
high
55591Ubuntu 11.04 : linux vulnerabilities (USN-1167-1)NessusUbuntu Local Security Checks
medium
55454Ubuntu 10.10 : linux vulnerabilities (USN-1160-1)NessusUbuntu Local Security Checks
high
55104Ubuntu 10.04 LTS : linux, linux-ec2 vulnerabilities (USN-1141-1)NessusUbuntu Local Security Checks
high
54590RHEL 6 : kernel (RHSA-2011:0542)NessusRed Hat Local Security Checks
high
53740openSUSE Security Update : kernel (openSUSE-SU-2011:0346-1)NessusSuSE Local Security Checks
high
53571SuSE 11.1 Security Update : Linux kernel (SAT Patch Number 4376)NessusSuSE Local Security Checks
high
53570SuSE 11.1 Security Update : Linux kernel (SAT Patch Numbers 4384 / 4386)NessusSuSE Local Security Checks
high