Detections
Analytics
RHEL 7 : kernel-alt (RHSA-2019:1973)
high Nessus Plugin ID 127643
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Synopsis
The remote Red Hat host is missing a security update for kernel-alt.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:1973 advisory.The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* Kernel: vhost_net: infinite loop while receiving packets leads to DoS (CVE-2019-3900)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
* Pegas1.1 - 7.5-alt s390x kernel oops in update_cfs_rq_h_load (BZ#1557242)
* race of lockd/nfsd inetaddr notifiers with pointers change (BZ#1637541)
* lockd: possible double unregister of inetaddr notifiers (BZ#1637542)
* [Huawei AArch64 7.6 Bug] During the virtual machine migration process, NFS may trigger a system panic.
(BZ#1671943)
* RHEL-Alt-7.6 - jit'd java code on power9 ppc64le experiences stack corruption (BZ#1707630)
Users of kernel-alt are advised to upgrade to these updated packages, which fix these bugs.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL kernel-alt package based on the guidance in RHSA-2019:1973.See Also
http://www.nessus.org/u?8ef93102
https://access.redhat.com/errata/RHSA-2019:1973
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 127643
File Name: redhat-RHSA-2019-1973.nasl
Version: 1.11
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 8/12/2019
Updated: 11/7/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C
CVSS Score Source: CVE-2019-3900
CVSS v3
Risk Factor: High
Base Score: 7.7
Temporal Score: 6.7
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-headers, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-alt, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:python-perf, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:perf
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 7/30/2019
Vulnerability Publication Date: 4/25/2019
Reference Information
CVE: CVE-2019-3900