CVE-2011-2695

MEDIUM

Description

Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f17722f917b2f21497deb6edc62fb1683daa08e6

http://secunia.com/advisories/45193

http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5

http://www.openwall.com/lists/oss-security/2011/07/15/7

http://www.openwall.com/lists/oss-security/2011/07/15/8

http://www.spinics.net/lists/linux-ext4/msg25697.html

https://bugzilla.redhat.com/show_bug.cgi?id=722557

Details

Source: MITRE

Published: 2011-07-28

Updated: 2020-07-31

Type: CWE-193

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

Tenable Plugins

View all (23 total)

IDNameProductFamilySeverity
76634RHEL 6 : MRG (RHSA-2011:1253)NessusRed Hat Local Security Checks
high
75881openSUSE Security Update : kernel (openSUSE-SU-2011:1222-1)NessusSuSE Local Security Checks
critical
68421Oracle Linux 5 / 6 : Unbreakable Enterprise kernel (ELSA-2011-2025)NessusOracle Linux Local Security Checks
high
68375Oracle Linux 5 : kernel (ELSA-2011-1386)NessusOracle Linux Local Security Checks
critical
68331Oracle Linux 6 : kernel (ELSA-2011-1189)NessusOracle Linux Local Security Checks
high
61162Scientific Linux Security Update : kernel on SL5.x i386/x86_64NessusScientific Linux Local Security Checks
critical
61118Scientific Linux Security Update : kernel on SL6.x i386/x86_64NessusScientific Linux Local Security Checks
high
56768Ubuntu 10.04 LTS : linux-lts-backport-natty vulnerabilities (USN-1256-1)NessusUbuntu Local Security Checks
critical
56747Ubuntu 10.04 LTS : linux vulnerabilities (USN-1253-1)NessusUbuntu Local Security Checks
critical
56645Ubuntu 11.04 : linux vulnerabilities (USN-1246-1)NessusUbuntu Local Security Checks
critical
56644Ubuntu 10.10 : linux-mvl-dove vulnerabilities (USN-1245-1)NessusUbuntu Local Security Checks
critical
56643USN-1244-1 : linux-ti-omap4 vulnerabilitiesNessusUbuntu Local Security Checks
high
56642Ubuntu 10.10 : linux vulnerabilities (USN-1243-1)NessusUbuntu Local Security Checks
medium
56641Ubuntu 10.04 LTS : linux-lts-backport-maverick vulnerabilities (USN-1242-1)NessusUbuntu Local Security Checks
medium
56640USN-1241-1 : linux-fsl-imx51 vulnerabilitiesNessusUbuntu Local Security Checks
critical
56639Ubuntu 10.04 LTS : linux-mvl-dove vulnerabilities (USN-1240-1)NessusUbuntu Local Security Checks
critical
56638Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-1239-1)NessusUbuntu Local Security Checks
critical
56577RHEL 5 : kernel (RHSA-2011:1386)NessusRed Hat Local Security Checks
critical
56569CentOS 5 : kernel (CESA-2011:1386)NessusCentOS Local Security Checks
critical
56479USN-1228-1 : linux-ti-omap4 vulnerabilitiesNessusUbuntu Local Security Checks
critical
55964RHEL 6 : kernel (RHSA-2011:1189)NessusRed Hat Local Security Checks
high
55955Fedora 14 : kernel-2.6.35.14-95.fc14 (2011-11103)NessusFedora Local Security Checks
high
801510CentOS RHSA-2011-1386 Security CheckLog Correlation EngineGeneric
high