medium
4.9
CWE
264
Advisory Published
CVE Published
Updated

CVE-2012-6657

First published: Mon Sep 24 2012(Updated: )

It was found that the Linux kernel's networking implementation did not correctly handle the setting of the keepalive socket option on raw sockets. A local user able to create a raw socket could use this flaw to crash the system.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel<0:2.6.32-504.3.3.el6
0:2.6.32-504.3.3.el6
debian/linux
5.10.223-1
5.10.226-1
6.1.123-1
6.1.128-1
6.12.12-1
6.12.16-1
Linux kernel<=3.5.6
Linux kernel=3.5.1
Linux kernel=3.5.2
Linux kernel=3.5.3
Linux kernel=3.5.4
Linux kernel=3.5.5
SUSE Linux Enterprise Server=10.0-sp4
SUSE Linux Enterprise Server=11.0-sp1

Remedy

https://git.kernel.org/linus/1da177e4c3f41524e886b7f1b8a0c1fc7321cac2

Remedy

https://git.kernel.org/linus/3e10986d1d698140747fcfc2761ec9cb64c1d582

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the severity of CVE-2012-6657?

    CVE-2012-6657 has a medium severity rating due to its potential to allow a local user to crash the system.

  • How do I fix CVE-2012-6657?

    To fix CVE-2012-6657, update your kernel to a version higher than 0:2.6.32-504.3.3.el6 or the specific versions for the Linux kernel that include patches.

  • Which systems are affected by CVE-2012-6657?

    CVE-2012-6657 affects various Linux kernel versions including those from Red Hat and SUSE enterprise distributions.

  • Can CVE-2012-6657 be exploited remotely?

    No, CVE-2012-6657 cannot be exploited remotely as it requires local user access to create raw sockets.

  • What are the potential impacts of CVE-2012-6657?

    The potential impact of CVE-2012-6657 includes system crashes due to improper handling of the keepalive socket option.

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Contact

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