Resource Exhaustion Affecting kernel-bootwrapper package, versions <0:3.10.0-693.el7
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-5182658
- published 26 Jul 2021
- disclosed 8 Oct 2014
Introduced: 8 Oct 2014
CVE-2014-7970 Open this link in a new tabHow to fix?
Upgrade RHEL:7 kernel-bootwrapper to version 0:3.10.0-693.el7 or higher.
This issue was patched in RHSA-2017:1842.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The pivot_root implementation in fs/namespace.c in the Linux kernel through 3.17 does not properly interact with certain locations of a chroot directory, which allows local users to cause a denial of service (mount-tree loop) via . (dot) values in both arguments to the pivot_root system call.
References
- http://www.securityfocus.com/bid/70319
- https://bugzilla.redhat.com/show_bug.cgi?id=1151095
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0826019e529f21c84687521d03f60cd241ca7d
- https://access.redhat.com/security/cve/CVE-2014-7970
- http://www.openwall.com/lists/oss-security/2014/10/08/21
- http://www.spinics.net/lists/linux-fsdevel/msg79153.html
- https://access.redhat.com/errata/RHSA-2017:1842
- http://www.securitytracker.com/id/1030991
- http://secunia.com/advisories/60174
- http://secunia.com/advisories/61142
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
- http://www.ubuntu.com/usn/USN-2419-1
- http://www.ubuntu.com/usn/USN-2420-1
- http://www.ubuntu.com/usn/USN-2513-1
- http://www.ubuntu.com/usn/USN-2514-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96921