Executive Summary
Summary | |
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Title | kernel security, bug fix, and enhancement update |
Informations | |||
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Name | RHSA-2020:0834 | First vendor Publication | 2020-03-17 |
Vendor | RedHat | Last vendor Modification | 2020-03-17 |
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:L/Au:N/C:C/I:C/A:C) | |||
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Cvss Base Score | 7.2 | Attack Range | Local |
Cvss Impact Score | 10 | Attack Complexity | Low |
Cvss Expoit Score | 3.9 | 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. 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 Client (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Client Optional (v. 7) - x86_64 Red Hat Enterprise Linux ComputeNode (v. 7) - noarch, x86_64 Red Hat Enterprise Linux ComputeNode Optional (v. 7) - x86_64 Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 7) - ppc64, ppc64le, x86_64 Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64 3. Description: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487) * kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow (CVE-2019-17666) * Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) (CVE-2019-19338) 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 - default idle mishandles lazy irq state (BZ#1767620) * Sanitize MM backported code for RHEL7 (BZ#1768386) * A bio with a flush and write to an md device can be lost and never complete by the md layer (BZ#1773482) * [FJ7.7 Bug]: [REG] Read from /proc/net/if_inet6 never stop. (BZ#1778084) * RHEL7.7 - zfcp: fix reaction on bit error threshold notification (BZ#1778691) * RHEL7.7 Snapshot3 - Kernel Panic when running LTP mm test on s390x (BZ#1780035) * Leak in cachefiles driver (BZ#1780149) * VFS: Busy inodes after unmount of loop0 when encountering duplicate directory inodes (BZ#1781159) * Allocation failure in md's r10buf_pool_alloc function leads to a crash from accessing uninitialized pointers (BZ#1781584) * [Hyper-V][RHEL7.6]Hyper-V guest waiting indefinitely for RCU callback when removing a mem cgroup (BZ#1783177) * A bnx2fc abort attempt doesn't timeout from miscalculation causing a huge timeout value (BZ#1784824) * scsi: libiscsi: fall back to sendmsg for slab pages (BZ#1784826) * RHEL7.7 - kernel: avoid cpu yield in SMT environment (BZ#1787558) * RHEL7.6 - kernel: jump label transformation performance (BZ#1787559) * drm radeon power management warning on VERDE cards (BZ#1789744) * Duplicate enum value in include/linux/blk_types.h (BZ#1791781) * [HPE 7.7 Bug] hpsa: bug fix for reset issue (BZ#1791782) * System Crash on vport creation (NPIV on FCoE) (BZ#1791825) * [Hyper-V][RHEL 7.8] Four Mellanox Patches needed for kernels that have that have SRIOV (BZ#1792371) * WARNING: CPU: 7 PID: 2049 at mm/slub.c:2296 ___slab_alloc+0x508/0x520 (BZ#1793086) * fio with ioengine=pmemblk on fsdax failed (BZ#1793088) * [HPE 7.7 Bug] hpsa: bug fixes (BZ#1793579) * perf top -p PID does not show anything (BZ#1793581) * Delay in RT task scheduled. Incorrect nr_scheduled value. (BZ#1796261) * A directory on a gfs2 filesystem appears corrupt on nodeB after nodeA renames the directory (BZ#1796431) * ixgbevf interface goes down on hypervisor and causes outage (BZ#1796798) * Can't enable virt-ssbd on some AMD hosts (BZ#1797511) * [HPEMC 7.8 BUG] x86/boot/64: Avoid mapping reserved ranges in early page tables (BZ#1798163) Enhancement(s): * scsi: qla2xxx: Fix panic in qla_dfs_tgt_counters_show' (BZ#1791595) 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/): 1703063 - CVE-2019-11487 kernel: Count overflow in FUSE request leading to use-after-free issues. 1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow 1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135) |
Original Source
Url : https://rhn.redhat.com/errata/RHSA-2020-0834.html |
CWE : Common Weakness Enumeration
% | Id | Name |
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100 % | CWE-416 | Use After Free |
CPE : Common Platform Enumeration
Alert History
Date | Informations |
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2020-03-19 13:20:08 |
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