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Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20190813)
high Nessus Plugin ID 127880
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Synopsis
The remote Scientific Linux host is missing one or more security updates.Description
Security Fix(es) :- Kernel: page cache side channel attacks (CVE-2019-5489)
- kernel: Salsa20 encryption algorithm does not correctly handle zero-length inputs allowing local attackers to cause denial-of-service (CVE-2017-17805)
- kernel: Unprivileged users able to inspect kernel stacks of arbitrary tasks (CVE-2018-17972)
- kernel: hw: Spectre SWAPGS gadget vulnerability (CVE-2019-1125)
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) :
- OOPS with NULL pointer exception in v4l2_ctrl_query_menu when second arg of function is NULL (BZ#1647975)
- Another RHEL 6 hang in congestion_wait() (BZ#1658254)
- kernel crash after running user space script (BZ#1663262)
- RHEL-6.10: Don't report the use of retpoline on Skylake as vulnerable (BZ#1666102)
- Bad pagetable: 000f “*pdpt = 0000000000000000 *pde = 0000000000000000” RHEL 6 32bit (BZ#1702782)
- fs/binfmt_misc.c: do not allow offset overflow [6.10.z] (BZ#1710149)
- Wrong spectre backport causing linux headers to break compilation of 3rd party packages (BZ#1722185)
Solution
Update the affected packages.See Also
https://bugzilla.redhat.com/show_bug.cgi?id=1647975
https://bugzilla.redhat.com/show_bug.cgi?id=1658254
https://bugzilla.redhat.com/show_bug.cgi?id=1663262
https://bugzilla.redhat.com/show_bug.cgi?id=1666102
https://bugzilla.redhat.com/show_bug.cgi?id=1702782
https://bugzilla.redhat.com/show_bug.cgi?id=1710149
Plugin Details
Severity: High
ID: 127880
File Name: sl_20190813_kernel_on_SL6_x.nasl
Version: 1.5
Type: local
Agent: unix
Published: 8/14/2019
Updated: 5/3/2024
Supported Sensors: Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
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-2017-17805
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
Vulnerability Information
CPE: p-cpe:/a:fermilab:scientific_linux:kernel-debug, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-i686, p-cpe:/a:fermilab:scientific_linux:kernel-doc, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64, p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel, p-cpe:/a:fermilab:scientific_linux:kernel-devel, p-cpe:/a:fermilab:scientific_linux:kernel-headers, p-cpe:/a:fermilab:scientific_linux:perf-debuginfo, p-cpe:/a:fermilab:scientific_linux:python-perf, p-cpe:/a:fermilab:scientific_linux:kernel, p-cpe:/a:fermilab:scientific_linux:kernel-firmware, p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo, p-cpe:/a:fermilab:scientific_linux:perf, p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists
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: 8/13/2019
Vulnerability Publication Date: 12/20/2017
Reference Information
CVE: CVE-2017-17805, CVE-2018-17972, CVE-2019-1125, CVE-2019-5489