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Synthesis of the vulnerability 
An attacker can generate a fatal error via truncate_inode_pages_range() of RHEL, in order to trigger a denial of service.
 Impacted software: BIG-IP Hardware, TMOS, RHEL.
Severity of this computer vulnerability: 1/4.
Creation date: 10/04/2018.
Références of this announce: 1520893, CERTFR-2021-AVI-139, CVE-2017-15121, K42142782, RHSA-2018:0676-01, RHSA-2018:1062-01, RHSA-2018:1854-01, VIGILANCE-VUL-25816.
Description of the vulnerability 
An attacker can generate a fatal error via truncate_inode_pages_range() of RHEL, in order to trigger a denial of service.
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This computer threat impacts software or systems such as BIG-IP Hardware, TMOS, RHEL.
Our Vigil@nce team determined that the severity of this computer vulnerability alert is low.
The trust level is of type confirmed by the editor, with an origin of user shell.
An attacker with a expert ability can exploit this cybersecurity weakness.
Solutions for this threat 
F5 BIG-IP: solution for Kernel.
The solution is indicated in information sources.
RHEL 6: new kernel packages.
New packages are available:
RHEL 6: kernel 2.6.32-754.el6
RHEL 7: new kernel packages.
New packages are available:
RHEL 7: kernel 3.10.0-862.el7
RHEL 7: new kernel-rt packages.
New packages are available:
RHEL 7: kernel-rt 3.10.0-862.rt56.804.el7
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)
Computer vulnerabilities tracking service 
Vigil@nce provides networks vulnerabilities analysis. The Vigil@nce security watch publishes vulnerability bulletins about threats impacting the information system.
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