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computer vulnerability note CVE-2018-5391

Linux kernel: denial of service via FragmentSmack

Synthesis of the vulnerability

An attacker can generate a fatal error via FragmentSmack of the Linux kernel, in order to trigger a denial of service.
Impacted products: GAiA, SecurePlatform, CheckPoint Security Gateway, Cisco Aironet, IOS XE Cisco, Nexus by Cisco, Prime Collaboration Assurance, Prime Infrastructure, Cisco Router, Secure ACS, Cisco CUCM, Cisco UCS, Cisco Unified CCX, Cisco IP Phone, Cisco Wireless Controller, Debian, BIG-IP Hardware, TMOS, Junos Space, Linux, Windows 10, Windows 2008 R0, Windows 2008 R2, Windows 2012, Windows 2016, Windows 7, Windows 8, Windows RT, openSUSE Leap, Palo Alto Firewall PA***, PAN-OS, RHEL, SUSE Linux Enterprise Desktop, SLES, Symantec Content Analysis, ProxySG by Symantec, Synology DSM, Ubuntu.
Severity of this bulletin: 2/4.
Consequences of an intrusion: denial of service on server, denial of service on service.
Hacker's origin: internet client.
Creation date: 16/08/2018.
Références of this threat: ADV180022, CERTFR-2018-AVI-390, CERTFR-2018-AVI-392, CERTFR-2018-AVI-419, CERTFR-2018-AVI-457, CERTFR-2018-AVI-478, CERTFR-2018-AVI-533, CERTFR-2019-AVI-233, CERTFR-2019-AVI-242, cisco-sa-20180824-linux-ip-fragment, CVE-2018-5391, DLA-1466-1, DLA-1529-1, DSA-4272-1, FragmentSmack, JSA10917, K74374841, openSUSE-SU-2018:2404-1, openSUSE-SU-2018:2407-1, openSUSE-SU-2019:0274-1, PAN-SA-2018-0012, RHSA-2018:2785-01, RHSA-2018:2791-01, RHSA-2018:2846-01, RHSA-2018:2924-01, RHSA-2018:2925-01, RHSA-2018:2933-01, RHSA-2018:2948-01, RHSA-2018:3083-01, RHSA-2018:3096-01, RHSA-2018:3459-01, RHSA-2018:3540-01, RHSA-2018:3586-01, RHSA-2018:3590-01, sk134253, SUSE-SU-2018:2344-1, SUSE-SU-2018:2374-1, SUSE-SU-2018:2380-1, SUSE-SU-2018:2381-1, SUSE-SU-2018:2596-1, SUSE-SU-2019:0541-1, SUSE-SU-2019:1289-1, SYMSA1467, Synology-SA-18:44, USN-3740-1, USN-3740-2, USN-3741-1, USN-3741-2, USN-3741-3, USN-3742-1, USN-3742-2, USN-3742-3, VIGILANCE-VUL-27009, VU#641765.

Description of the vulnerability

An attacker can generate a fatal error via FragmentSmack of the Linux kernel, in order to trigger a denial of service.
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