Executive Summary
Summary | |
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Title | kernel-rt security and bug fix update |
Informations | |||
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Name | RHSA-2020:0100 | First vendor Publication | 2020-01-14 |
Vendor | RedHat | Last vendor Modification | 2020-01-14 |
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:L/AC:M/Au:N/C:C/I:C/A:C) | |||
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Cvss Base Score | 6.9 | Attack Range | Local |
Cvss Impact Score | 10 | Attack Complexity | Medium |
Cvss Expoit Score | 3.4 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
Problem Description: An update for kernel-rt is now available for Red Hat Enterprise MRG 2. 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 MRG Realtime for RHEL 6 Server v.2 - noarch, x86_64 3. Description: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856) * kernel: TLB flush happens too late on mremap (CVE-2018-18281) * kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping (CVE-2019-11599) 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): * update the MRG 2.5.z 3.10 realtime-kernel sources (BZ#1779367) 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/): 1645121 - CVE-2018-18281 kernel: TLB flush happens too late on mremap 1705937 - CVE-2019-11599 kernel: fix race condition between mmget_not_zero()/get_task_mm() and core dumping 1738705 - CVE-2018-20856 kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c 1779367 - update the MRG 2.5.z 3.10 realtime-kernel sources |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2020-0100.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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33 % | CWE-667 | Insufficient Locking |
33 % | CWE-459 | Incomplete Cleanup |
33 % | CWE-416 | Use After Free |
CPE : Common Platform Enumeration
Alert History
Date | Informations |
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2020-03-19 13:19:49 |
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