Loop with Unreachable Exit Condition ('Infinite Loop') Affecting kernel-rt-trace-kvm package, versions <0:3.10.0-514.26.1.rt56.442.el7
Threat Intelligence
EPSS
4.06% (93rd percentile)
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Test your applications- Snyk IDSNYK-RHEL7-KERNELRTTRACEKVM-4730606
- published26 Jul 2021
- disclosed7 Feb 2017
Introduced: 7 Feb 2017
CVE-2017-6214 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade RHEL:7 kernel-rt-trace-kvm to version 0:3.10.0-514.26.1.rt56.442.el7 or higher.
This issue was patched in RHSA-2017:1616.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace-kvm package and not the kernel-rt-trace-kvm package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The tcp_splice_read function in net/ipv4/tcp.c in the Linux kernel before 4.9.11 allows remote attackers to cause a denial of service (infinite loop and soft lockup) via vectors involving a TCP packet with the URG flag.
References
- http://www.securityfocus.com/bid/96421
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccf7abb93af09ad0868ae9033d1ca8108bdaec82
- https://github.com/torvalds/linux/commit/ccf7abb93af09ad0868ae9033d1ca8108bdaec82
- https://source.android.com/security/bulletin/2017-09-01
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11
- https://access.redhat.com/security/cve/CVE-2017-6214
- http://www.debian.org/security/2017/dsa-3804
- https://access.redhat.com/errata/RHSA-2017:1616
- http://www.securitytracker.com/id/1037897