medium
5.9
CWE
269
Advisory Published
Updated

CVE-2009-2848

First published: Tue Aug 18 2009(Updated: )

The execve function in the Linux kernel, possibly 2.6.30-rc6 and earlier, does not properly clear the current->clear_child_tid pointer, which allows local users to cause a denial of service (memory corruption) or possibly gain privileges via a clone system call with CLONE_CHILD_SETTID or CLONE_CHILD_CLEARTID enabled, which is not properly handled during thread creation and exit.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Kernel=2.6.30-rc2
Linux Kernel=2.6.30-rc3
Linux Kernel=2.6.30-rc4
Linux Kernel=2.6.30-rc5
Linux Kernel<=2.6.29.5
Linux Kernel=2.6.30-rc6
Linux Kernel=2.6.30-rc1
Linux Kernel=2.6.30
SUSE Linux Enterprise Server=9
Novell Linux Desktop=9
SUSE Linux=11.0
SUSE Linux Enterprise Server=10-sp2
SUSE Linux Enterprise Desktop=10-sp2
Fedora=11
Ubuntu=9.04
Ubuntu=8.10
Ubuntu=8.04
Ubuntu=6.06
Red Hat Enterprise Linux Server=5.0
Red Hat Enterprise Linux Desktop=3.0
Red Hat Enterprise Linux Workstation=5.0
Red Hat Enterprise Linux Desktop=5.0
Red Hat Enterprise Linux Workstation=3.0
Red Hat Enterprise Linux Server=3.0
VMware ESXi=4.0
VMware vMA=4.0
Red Hat Enterprise Linux=5.0

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2009-2848?

    CVE-2009-2848 has a high severity rating due to its potential to cause a denial of service and possibly allow privilege escalation.

  • How do I fix CVE-2009-2848?

    To fix CVE-2009-2848, upgrade your Linux kernel to a version beyond 2.6.30-rc6 that includes the necessary security patches.

  • Which systems are affected by CVE-2009-2848?

    CVE-2009-2848 affects various Linux kernel versions including 2.6.30 and earlier versions, specifically the rc1 through rc6 releases and some older distributions.

  • What are the potential impacts of CVE-2009-2848?

    The potential impacts of CVE-2009-2848 include memory corruption, denial of service, and unauthorized privilege escalation.

  • Is CVE-2009-2848 a local or remote vulnerability?

    CVE-2009-2848 is a local vulnerability, allowing local users to exploit it for denial of service or privilege escalation.

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