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MEDIUM

kernel: net: IP_REPOPTS invalid free

Published Jul 4, 2013

Description

A certain Red Hat patch for the Linux kernel 2.6.32 on Red Hat Enterprise Linux (RHEL) 6 allows local users to cause a denial of service (invalid free operation and system crash) or possibly gain privileges via a sendmsg system call with the IP_RETOPTS option, as demonstrated by hemlock.c. NOTE: this vulnerability exists because of an incorrect fix for CVE-2012-3552.

Affected products

Remediation

Red Hat statement

This issue did not affect the version of the kernel package as shipped with Red Hat Enterprise MRG 2. This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6. Future kernel updates for Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6 may address this issue.

Metrics

Weaknesses (0)

No CWE recorded.

References (8)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jul 4, 2013
Updated Aug 6, 2024
Reserved Feb 19, 2013
NVD
Status Modified
Modified Jun 16, 2026
Red Hat
Severity Important
Public date Jun 30, 2013