9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.3 High
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
0.017 Low
EPSS
Percentile
87.6%
CentOS Errata and Security Advisory CESA-2019:3055
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
kernel: Use-after-free in __blk_drain_queue() function in block/blk-core.c (CVE-2018-20856)
kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)
hardware: bluetooth: BR/EDR encryption key negotiation attacks (KNOB) (CVE-2019-9506)
kernel: Heap overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c (CVE-2019-10126)
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 Fixes:
gfs2: Fix iomap write page reclaim deadlock (BZ#1737373)
[FJ7.6 Bug]: [REG] kernel: ipc: ipc_free should use kvfree (BZ#1740178)
high update_cfs_rq_blocked_load contention (BZ#1740180)
[Hyper-V][RHEL 7] kdump fails to start on a Hyper-V guest of Windows Server 2019. (BZ#1740188)
kvm: backport cpuidle-haltpoll driver (BZ#1740192)
Growing unreclaimable slab memory (BZ#1741920)
[bnx2x] ping failed from pf to vf which has been attached to vm (BZ#1741926)
[Hyper-V]vPCI devices cannot allocate IRQs vectors in a Hyper-V VM with > 240 vCPUs (i.e., when in x2APIC mode) (BZ#1743324)
Macsec: inbound MACSEC frame is unexpectedly dropped with InPktsNotValid (BZ#1744442)
RHEL 7.7 Beta - Hit error when trying to run nvme connect with IPv6 address (BZ#1744443)
RHEL 7.6 SS4 - Paths lost when running straight I/O on NVMe/RoCE system (BZ#1744444)
NFSv4.0 client sending a double CLOSE (leading to EIO application failure) (BZ#1744946)
[Azure] CRI-RDOS | [RHEL 7.8] Live migration only takes 10 seconds, but the VM was unavailable for 2 hours (BZ#1748239)
NFS client autodisconnect timer may fire immediately after TCP connection setup and may cause DoS type reconnect problem in complex network environments (BZ#1749290)
[Inspur] RHEL7.6 ASPEED graphic card display issue (BZ#1749296)
Allows macvlan to operated correctly over the active-backup mode to support bonding events. (BZ#1751579)
[LLNL 7.5 Bug] slab leak causing a crash when using kmem control group (BZ#1752421)
Users of kernel are advised to upgrade to these updated packages, which fix these bugs.
Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2019-October/085650.html
Affected packages:
bpftool
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-headers
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python-perf
Upstream details at:
https://access.redhat.com/errata/RHSA-2019:3055
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
CentOS | 7 | x86_64 | bpftool | < 3.10.0-1062.4.1.el7 | bpftool-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel | < 3.10.0-1062.4.1.el7 | kernel-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | noarch | kernel-abi-whitelists | < 3.10.0-1062.4.1.el7 | kernel-abi-whitelists-3.10.0-1062.4.1.el7.noarch.rpm |
CentOS | 7 | x86_64 | kernel-debug | < 3.10.0-1062.4.1.el7 | kernel-debug-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-debug-devel | < 3.10.0-1062.4.1.el7 | kernel-debug-devel-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-devel | < 3.10.0-1062.4.1.el7 | kernel-devel-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | noarch | kernel-doc | < 3.10.0-1062.4.1.el7 | kernel-doc-3.10.0-1062.4.1.el7.noarch.rpm |
CentOS | 7 | x86_64 | kernel-headers | < 3.10.0-1062.4.1.el7 | kernel-headers-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-tools | < 3.10.0-1062.4.1.el7 | kernel-tools-3.10.0-1062.4.1.el7.x86_64.rpm |
CentOS | 7 | x86_64 | kernel-tools-libs | < 3.10.0-1062.4.1.el7 | kernel-tools-libs-3.10.0-1062.4.1.el7.x86_64.rpm |
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.3 High
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
0.017 Low
EPSS
Percentile
87.6%