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redhatRedHatRHSA-2020:3804
HistorySep 22, 2020 - 11:00 a.m.

(RHSA-2020:3804) Moderate: kernel security and bug fix update

2020-09-2211:00:02
access.redhat.com
570
rhsa-2020-3804
cve-2018-1120
rhel-7.9
kdump failed
secure boot
kernel bug
cgroups
wait queue
bnx2fc

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

40.5%

JSON

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: fuse-backed file mmap-ed onto process cmdline arguments causes denial of service (CVE-2018-1120)

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):

  • [RHEL-7.9] Kdump failed to start when secure boot enabled: kexec_file_load failed: Required key not available (BZ#1866968)

  • Kernel bug report in cgroups on heavily contested 3.10 node (BZ#1869506)

  • System gets crashed with hard lockup after a corruption found in wait queue list [bnx2fc] (BZ#1870595)

OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel-devel< 3.10.0-693.76.1.el7kernel-devel-3.10.0-693.76.1.el7.x86_64.rpm
RedHat7x86_64kernel-debug< 3.10.0-693.76.1.el7kernel-debug-3.10.0-693.76.1.el7.x86_64.rpm
RedHat7x86_64kernel-debuginfo< 3.10.0-693.76.1.el7kernel-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm
RedHat7noarchkernel-doc< 3.10.0-693.76.1.el7kernel-doc-3.10.0-693.76.1.el7.noarch.rpm
RedHat7ppc64lepython-perf< 3.10.0-693.76.1.el7python-perf-3.10.0-693.76.1.el7.ppc64le.rpm
RedHat7ppc64lekernel-debuginfo-common-ppc64le< 3.10.0-693.76.1.el7kernel-debuginfo-common-ppc64le-3.10.0-693.76.1.el7.ppc64le.rpm
RedHat7ppc64lekernel-bootwrapper< 3.10.0-693.76.1.el7kernel-bootwrapper-3.10.0-693.76.1.el7.ppc64le.rpm
RedHat7ppc64lepython-perf-debuginfo< 3.10.0-693.76.1.el7python-perf-debuginfo-3.10.0-693.76.1.el7.ppc64le.rpm
RedHat7ppc64lekernel-tools-debuginfo< 3.10.0-693.76.1.el7kernel-tools-debuginfo-3.10.0-693.76.1.el7.ppc64le.rpm
RedHat7x86_64perf-debuginfo< 3.10.0-693.76.1.el7perf-debuginfo-3.10.0-693.76.1.el7.x86_64.rpm
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CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.001

Percentile

40.5%

JSON
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