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RHEL 7 : kernel-alt (RHSA-2019:2809)
high Nessus Plugin ID 129145
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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-2019:2809 advisory.The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* Kernel: page cache side channel attacks (CVE-2019-5489)
* Kernel: KVM: potential use-after-free via kvm_ioctl_create_device() (CVE-2019-6974)
* kernel: broken permission and object lifetime handling for PTRACE_TRACEME (CVE-2019-13272)
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):
* [kernel-alt]: BUG: unable to handle kernel NULL pointer IP: crypto_remove_spawns+0x118/0x2e0 (BZ#1536967)
* [HPE Apache] update ssif max_xmit_msg_size limit for multi-part messages (BZ#1610534)
* RHEL-Alt-7.6 - powerpc/pseries: Fix unitialized timer reset on migration / powerpc/pseries/mobility:
Extend start/stop topology update scope (LPM) (BZ#1673613)
* RHEL-Alt-7.6 - s390: sha3_generic module fails and triggers panic when in FIPS mode (BZ#1673979)
* RHEL-Alt-7.6 - System crashed after oom - During ICP deployment (BZ#1710304)
* kernel-alt: Race condition in hashtables [rhel-alt-7.6.z] (BZ#1712127)
* RHEL-Alt-7.6 - OP930:PM_Test:cpupower -r command set values for first 3 cores in quad and misses last core. (CORAL) (BZ#1717836)
* RHEL-Alt-7.6 - disable runtime NUMA remapping for PRRN/LPM/VPHN (BZ#1717906)
* fragmented packets timing out (BZ#1729066)
* Backport TCP follow-up for small buffers (BZ#1733617)
Enhancement(s):
* RHEL-Alt-7.6 - perfevent PMDA cannot create file descriptors for reading nest events using the perf API (pcp/kernel) (CORAL) (BZ#1723036)
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 affected packages.See Also
http://www.nessus.org/u?13922f2d
https://access.redhat.com/errata/RHSA-2019:2809
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=1664110
Plugin Details
Severity: High
ID: 129145
File Name: redhat-RHSA-2019-2809.nasl
Version: 1.13
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 9/23/2019
Updated: 6/3/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Critical
Score: 9.7
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 6.3
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSS Score Source: CVE-2019-13272
CVSS v3
Risk Factor: High
Base Score: 8.1
Temporal Score: 7.7
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C
CVSS Score Source: CVE-2019-6974
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: 9/20/2019
Vulnerability Publication Date: 1/7/2019
CISA Known Exploited Vulnerability Due Dates: 6/10/2022
Exploitable With
Core Impact
Metasploit (Linux Polkit pkexec helper PTRACE_TRACEME local root exploit)