Executive Summary
Summary | |
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Title | kernel-rt security and bug fix update |
Informations | |||
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Name | RHSA-2019:0188 | First vendor Publication | 2019-01-29 |
Vendor | RedHat | Last vendor Modification | 2019-01-29 |
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:M/Au:N/C:P/I:P/A:P) | |||
---|---|---|---|
Cvss Base Score | 6.8 | Attack Range | Network |
Cvss Impact Score | 6.4 | Attack Complexity | Medium |
Cvss Expoit Score | 8.6 | 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 Linux 7. 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 Realtime (v. 7) - noarch, x86_64 Red Hat Enterprise Linux for Real Time for NFV (v. 7) - 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 due to race condition in AF_PACKET implementation (CVE-2018-18559) For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * The kernel-rt packages have been upgraded to the 3.10.0-957.5.1 source tree, which provides a number of bug fixes over the previous version. (BZ#1653822) * Under certain circumstances, the following warning message, which indicated a SCHED_DEADLINE bandwidth tracking mechanism error, occurred: WARNING: CPU: 8 PID: 19536 at kernel/sched/deadline.c:64 dequeue_task_dl+0x121/0x140 This update fixes the sched_setscheduler() core kernel function, and backports multiple upstream patches to the SCHED_DEADLINE scheduler. As a result, the SCHED_DEADLINE bandwidth tracking mechanism is prevented from error conditions, and the warning message no longer occurs. (BZ#1655439) 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/): 1641878 - CVE-2018-18559 kernel: Use-after-free due to race condition in AF_PACKET implementation |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2019-0188.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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50 % | CWE-416 | Use After Free |
50 % | CWE-362 | Race Condition |
CPE : Common Platform Enumeration
Nessus® Vulnerability Scanner
Date | Description |
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2019-01-11 | Name : The remote Virtuozzo host is missing a security update. File : Virtuozzo_VZA-2018-077.nasl - Type : ACT_GATHER_INFO |
Alert History
Date | Informations |
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2019-01-29 21:18:38 |
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