Executive Summary
Summary | |
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Title | kernel security and bug fix update |
Informations | |||
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Name | RHSA-2019:2837 | First vendor Publication | 2019-09-20 |
Vendor | RedHat | Last vendor Modification | 2019-09-20 |
Severity (Vendor) | N/A | Revision | 01 |
Security-Database Scoring CVSS v3
Cvss vector : N/A | |||
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Overall CVSS Score | NA | ||
Base Score | NA | Environmental Score | NA |
impact SubScore | NA | Temporal Score | NA |
Exploitabality Sub Score | NA | ||
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C) | |||
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Cvss Base Score | 7.8 | Attack Range | Network |
Cvss Impact Score | 6.9 | Attack Complexity | Low |
Cvss Expoit Score | 10 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Problem Description: An update for kernel is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Relevant releases/architectures: Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - ppc64, ppc64le, x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * Kernel: page cache side channel attacks (CVE-2019-5489) * kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS (CVE-2019-11810) 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): * [RHEL7.7] Refined TSC clocksource calibration occasionally fails on some SkyLake-X servers (BZ#1719781) * tc: incorrect flows statistic on bond device (shared block) (BZ#1719786) * Qlogic qla2xxx driver version 10.x.x.x pins all irq requests to cpu0 and associated cores (BZ#1720956) * libceph: handle an empty authorize reply (BZ#1722769) * RHEL7.6 - pkey: Indicate old mkvp only if old and curr. mkvp are different (BZ#1723153) * RHEL7.6 - qdio: clear intparm during shutdown (BZ#1723154) * [RHEL7] Fix Spectre V1 vulnerability in vhost code (BZ#1724079) * [Stratus] 802.3ad bond group member disabled after reboot (or I/O failure testing) (BZ#1725037) * Accept validate negotiate if server returns NT_STATUS_NOT_SUPPORTED. (BZ#1726563) * [Regression] RHEL7.6 - losing dirty bit during THP splitting, possible memory corruption (mm-) (BZ#1727108) * [Intel 7.7 BUG] BUG: unable to handle kernel paging request at 000000006b4fd010 (BZ#1727110) * KVM tracebacks causing significant latency to VM (BZ#1728174) * NULL pointer dereference in vxlan_dellink+0xaa (BZ#1728198) * [rhel7]NULL pointer dereference at vxlan_fill_metadata_dst (BZ#1728199) * After update to RHEL 7.6 (3.10.0-957.1.3.el7.x86_64) from 7.4, customer has experienced multiple panics in kernel at BUG at drivers/iommu/iova.c:859! (BZ#1731300) * kernel build: speed up debuginfo extraction (BZ#1731464) * hpsa driver hard lockup trying to complete a no longer valid completion on the stack (BZ#1731980) * XFS: forced shutdown in xfs_trans_cancel during create near ENOSPC (BZ#1731982) * TCP packets are segmented when sent to the VLAN device when coming from VXLAN dev. (BZ#1732812) * panic handing smb2_reconnect due to a use after free (BZ#1737381) * Backport TCP follow-up for small buffers (BZ#1739129) 4. Solution: For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect. 5. Bugs fixed (https://bugzilla.redhat.com/): 1664110 - CVE-2019-5489 Kernel: page cache side channel attacks 1709164 - CVE-2019-11810 kernel: a NULL pointer dereference in drivers/scsi/megaraid/megaraid_sas_base.c leading to DoS |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2019-2837.html |
CWE : Common Weakness Enumeration
% | Id | Name |
---|---|---|
33 % | CWE-476 | NULL Pointer Dereference |
33 % | CWE-416 | Use After Free |
33 % | CWE-319 | Cleartext Transmission of Sensitive Information |
CPE : Common Platform Enumeration
Alert History
Date | Informations |
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2020-03-19 13:19:13 |
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