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CVE-2011-2905

Publication date 6 October 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Untrusted search path vulnerability in the perf_config function in tools/perf/util/config.c in perf, as distributed in the Linux kernel before 3.1, allows local users to overwrite arbitrary files via a crafted config file in the current working directory.

From the Ubuntu Security Team

Christian Ohm discovered that the perf command looks for configuration files in the current directory. If a privileged user were tricked into running perf in a directory containing a malicious configuration file, an attacker could run arbitrary commands and possibly gain privileges.

Status

Package Ubuntu Release Status
linux 11.10 oneiric
Not affected
11.04 natty
Fixed 2.6.38-13.52
10.10 maverick
Fixed 2.6.35-30.61
10.04 LTS lucid
Fixed 2.6.32-35.78
8.04 LTS hardy
Not affected
linux-ec2 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Ignored
10.04 LTS lucid
Fixed 2.6.32-319.39
8.04 LTS hardy Not in release
linux-fsl-imx51 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.31-611.29
8.04 LTS hardy Not in release
linux-lts-backport-maverick 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.35-30.61~lucid1
8.04 LTS hardy Not in release
linux-lts-backport-natty 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Fixed 2.6.38-13.52~lucid1
8.04 LTS hardy Not in release
linux-lts-backport-oneiric 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Not in release
10.04 LTS lucid
Not affected
8.04 LTS hardy Not in release
linux-mvl-dove 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick
Fixed 2.6.32-419.37
10.04 LTS lucid
Fixed 2.6.32-219.37
8.04 LTS hardy Not in release
linux-ti-omap4 11.10 oneiric
Not affected
11.04 natty
Fixed 2.6.38-1209.17
10.10 maverick
Fixed 2.6.35-903.26
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

References

Related Ubuntu Security Notices (USN)

    • USN-1241-1
    • Linux kernel (i.MX51) vulnerabilities
    • 25 October 2011
    • USN-1243-1
    • Linux kernel vulnerabilities
    • 25 October 2011
    • USN-1253-1
    • Linux kernel vulnerabilities
    • 8 November 2011
    • USN-1239-1
    • Linux kernel (EC2) vulnerabilities
    • 25 October 2011
    • USN-1281-1
    • Linux (OMAP4) vulnerabilities
    • 24 November 2011
    • USN-1285-1
    • Linux kernel vulnerabilities
    • 29 November 2011
    • USN-1279-1
    • Linux (Natty backport) vulnerabilities
    • 24 November 2011
    • USN-1244-1
    • Linux kernel (OMAP4) vulnerabilities
    • 25 October 2011
    • USN-1240-1
    • Linux kernel (Marvell DOVE) vulnerabilities
    • 25 October 2011
    • USN-1245-1
    • Linux kernel (Marvell DOVE) vulnerabilities
    • 25 October 2011
    • USN-1242-1
    • Linux kernel (Maverick backport) vulnerabilities
    • 25 October 2011

Other references