Use After Free Affecting kernel package, versions <0:3.10.0-123.4.2.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNEL-4479693
- published 26 Jul 2021
- disclosed 18 Mar 2014
Introduced: 18 Mar 2014
CVE-2014-2568 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel to version 0:3.10.0-123.4.2.el7 or higher.
This issue was patched in RHSA-2014:0786.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
Use-after-free vulnerability in the nfqnl_zcopy function in net/netfilter/nfnetlink_queue_core.c in the Linux kernel through 3.13.6 allows attackers to obtain sensitive information from kernel memory by leveraging the absence of a certain orphaning operation. NOTE: the affected code was moved to the skb_zerocopy function in net/core/skbuff.c before the vulnerability was announced.
References
- http://www.securityfocus.com/bid/66348
- https://bugzilla.redhat.com/show_bug.cgi?id=1079012
- https://access.redhat.com/security/cve/CVE-2014-2568
- http://seclists.org/oss-sec/2014/q1/627
- https://lkml.org/lkml/2014/3/20/421
- http://www.openwall.com/lists/oss-security/2014/03/20/16
- https://access.redhat.com/errata/RHSA-2014:0786
- http://secunia.com/advisories/59599
- http://www.ubuntu.com/usn/USN-2240-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/91922