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redhatRedHatRHSA-2020:3221
HistoryJul 29, 2020 - 5:19 p.m.

(RHSA-2020:3221) Important: kernel-rt security and bug fix update

2020-07-2917:19:48
access.redhat.com
69

8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.002 Low

EPSS

Percentile

56.1%

JSON

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: kernel: DAX hugepages not considered during mremap (CVE-2020-10757)

  • kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c (CVE-2020-12653)

  • kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c (CVE-2020-12654)

  • kernel: use-after-free caused by a malicious USB device in the drivers/hid/usbhid/hiddev.c driver (CVE-2019-19527)

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):

  • kernel-rt: provide infrastructure to support dual-signing of the kernel (foundation to help address CVE-2020-10713) (BZ#1837438)

  • kernel-rt: update to the latest RHEL7.8.z3 source tree (BZ#1848017)

OSVersionArchitecturePackageVersionFilename
RedHat7x86_64kernel-rt-debug-kvm-debuginfo< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-debug-kvm-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-devel< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-debug-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7noarchkernel-rt-doc< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-doc-3.10.0-1127.18.2.rt56.1116.el7.noarch.rpm
RedHat7x86_64kernel-rt-trace-devel< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-trace-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-kvm< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-kvm-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug-kvm< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-debug-kvm-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo-common-x86_64< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-debuginfo-common-x86_64-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-devel< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-devel-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debug< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-debug-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
RedHat7x86_64kernel-rt-debuginfo< 3.10.0-1127.18.2.rt56.1116.el7kernel-rt-debuginfo-3.10.0-1127.18.2.rt56.1116.el7.x86_64.rpm
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8.2 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.002 Low

EPSS

Percentile

56.1%

JSON
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