Detections
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RHEL 7 : kernel-alt (RHSA-2018:0654)
high Nessus Plugin ID 108942
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2018:0654 advisory.- kernel: Arbitrary stack overwrite causing oops via crafted signal frame (CVE-2017-1000255)
- kernel: Stack information leak in the EFS element (CVE-2017-1000410)
- kernel: Buffer overflow in mp_override_legacy_irq() (CVE-2017-11473)
- kernel: memory leak when merging buffers in SCSI IO vectors (CVE-2017-12190)
- kernel: NULL pointer dereference due to KEYCTL_READ on negative key (CVE-2017-12192)
- kernel: net: double-free and memory corruption in get_net_ns_by_id() (CVE-2017-15129)
- kernel: Incorrect updates of uninstantiated keys crash the kernel (CVE-2017-15299)
- Kernel: KVM: oops when checking KVM_CAP_PPC_HTM on PPC platform (CVE-2017-15306)
- Kernel: ipsec: xfrm: use-after-free leading to potential privilege escalation (CVE-2017-16939)
- kernel: Missing capabilities check in net/netfilter/nfnetlink_cthelper.c allows for unprivileged access to systemwide nfnl_cthelper_list structure (CVE-2017-17448)
- kernel: Missing namespace check in net/netlink/af_netlink.c allows for network monitors to observe systemwide activity (CVE-2017-17449)
- kernel: Race condition in sound system can lead to denial of service (CVE-2018-1000004)
- kernel: Integer overflow in futex.c:futux_requeue can lead to denial of service or unspecified impact (CVE-2018-6927)
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 affected packages.See Also
https://access.redhat.com/errata/RHSA-2018:0654
https://access.redhat.com/security/cve/CVE-2017-1000255
https://access.redhat.com/security/cve/CVE-2017-1000410
https://access.redhat.com/security/cve/CVE-2017-11473
https://access.redhat.com/security/cve/CVE-2017-12190
https://access.redhat.com/security/cve/CVE-2017-12192
https://access.redhat.com/security/cve/CVE-2017-15129
https://access.redhat.com/security/cve/CVE-2017-15299
https://access.redhat.com/security/cve/CVE-2017-15306
https://access.redhat.com/security/cve/CVE-2017-16939
https://access.redhat.com/security/cve/CVE-2017-17448
https://access.redhat.com/security/cve/CVE-2017-17449
https://access.redhat.com/security/cve/CVE-2018-1000004
https://access.redhat.com/security/cve/CVE-2018-6927
https://bugzilla.redhat.com/1473209
https://bugzilla.redhat.com/1493435
https://bugzilla.redhat.com/1495089
https://bugzilla.redhat.com/1498016
https://bugzilla.redhat.com/1498067
https://bugzilla.redhat.com/1510399
https://bugzilla.redhat.com/1517220
https://bugzilla.redhat.com/1519160
https://bugzilla.redhat.com/1525762
https://bugzilla.redhat.com/1525768
https://bugzilla.redhat.com/1531174
Plugin Details
Severity: High
ID: 108942
File Name: redhat-RHSA-2018-0654.nasl
Version: 1.14
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 4/10/2018
Updated: 2/7/2024
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.4
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2017-16939
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 7
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS Score Source: CVE-2018-6927
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-bootwrapper, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-kdump, p-cpe:/a:redhat:enterprise_linux:kernel-kdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python-perf, cpe:/o:redhat:enterprise_linux:7
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: 4/10/2018
Vulnerability Publication Date: 7/20/2017
Reference Information
CVE: CVE-2017-1000255, CVE-2017-1000410, CVE-2017-11473, CVE-2017-12190, CVE-2017-12192, CVE-2017-15129, CVE-2017-15299, CVE-2017-15306, CVE-2017-16939, CVE-2017-17448, CVE-2017-17449, CVE-2018-1000004, CVE-2018-6927