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RHEL 7 : kernel-alt (RHSA-2019:0525)
medium Nessus Plugin ID 122807
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Synopsis
The remote Red Hat host is missing one or more security updates for kernel-alt.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0525 advisory.The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: out-of-bounds memcpy in fs/ext4/inline.c:ext4_read_inline_data() with crafted ext4 image (CVE-2018-11412)
* kernel: use-after-free in jbd2_journal_commit_transaction funtion (CVE-2018-10876)
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):
* blk-mq IO hang in null_blk test (BZ#1581223)
* lpfc remove lpfc_enable_pbde module parameter. (BZ#1615875)
* RHEL-Alt-7.6 - [Power9][DD2.2][4.14.0-109]package installation segfaults inside debian chroot env in P9 KVM guest with HTM enabled (kvm) (BZ#1628817)
* Pegas1.1 - [P9] threads=2 or higher is required to boot up VM with above 256 vcpu [rhel-alt-7.6.z] (BZ#1634653)
* RHEL-Alt-7.6 Snapshot5 - System crashed under stress-ng & HTX on the mix mode guest (kvm) (BZ#1637890)
* RHEL-Alt-7.6 - BostonESS:P9:DD2.01 - Testing Ethtool options 'r' and 'p' for the i40e driver causes the kernel to crash and reboots the server (i40e) (CORAL) (BZ#1644606)
* RHEL-Alt-7.6 Host/RHV4.2: system crashed and kdump failed to collect CPUs in KVM guests (BZ#1649196)
* RHEL-Alt-7.6 Host:BostonLC:P9:boslcp1: system crashed in __find_linux_pte+0xac (kvm) (BZ#1651065)
* [LLNL 7.7 Bug] Rasdaemon doesnt seem to collect APEI errors (BZ#1664495)
Users of kernel 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 these issues 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-2019:0525.See Also
http://www.nessus.org/u?23e003f3
https://access.redhat.com/errata/RHSA-2019:0525
https://access.redhat.com/security/updates/classification/#moderate
Plugin Details
Severity: Medium
ID: 122807
File Name: redhat-RHSA-2019-0525.nasl
Version: 1.16
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/13/2019
Updated: 3/20/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
Vendor
Vendor Severity: Moderate
CVSS v2
Risk Factor: Medium
Base Score: 4.9
Temporal Score: 3.8
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2018-10876
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.3
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2018-11412
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 Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 3/12/2019
Vulnerability Publication Date: 5/24/2018
Reference Information
CVE: CVE-2018-10876, CVE-2018-11412