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redhatRedHatRHSA-2023:0187
HistoryJan 17, 2023 - 8:48 a.m.

(RHSA-2023:0187) Moderate: kernel security update

2023-01-1708:48:58
access.redhat.com
74
rhsa-2023-0187
moderate
kernel
security
update
linux
cpu
lfence
jmp
mitigation
cve-2017-5715
cve-2021-26401
cvss
unix

CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.6

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.975

Percentile

100.0%

JSON

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

Security Fix(es):

  • hw: cpu: LFENCE/JMP Mitigation Update for CVE-2017-5715 (CVE-2021-26401)

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.

OSVersionArchitecturePackageVersionFilename
RedHat6noarchkernel-doc< 2.6.32-754.49.1.el6kernel-doc-2.6.32-754.49.1.el6.noarch.rpm
RedHat6noarchkernel-firmware< 2.6.32-754.49.1.el6kernel-firmware-2.6.32-754.49.1.el6.noarch.rpm
RedHat6i686perf< 2.6.32-754.49.1.el6perf-2.6.32-754.49.1.el6.i686.rpm
RedHat6s390xkernel-debuginfo< 2.6.32-754.49.1.el6kernel-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
RedHat6x86_64kernel< 2.6.32-754.49.1.el6kernel-2.6.32-754.49.1.el6.x86_64.rpm
RedHat6s390xperf< 2.6.32-754.49.1.el6perf-2.6.32-754.49.1.el6.s390x.rpm
RedHat6i686kernel-debug-debuginfo< 2.6.32-754.49.1.el6kernel-debug-debuginfo-2.6.32-754.49.1.el6.i686.rpm
RedHat6i686kernel-debug< 2.6.32-754.49.1.el6kernel-debug-2.6.32-754.49.1.el6.i686.rpm
RedHat6s390xperf-debuginfo< 2.6.32-754.49.1.el6perf-debuginfo-2.6.32-754.49.1.el6.s390x.rpm
RedHat6i686python-perf< 2.6.32-754.49.1.el6python-perf-2.6.32-754.49.1.el6.i686.rpm
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CVSS2

1.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

5.6

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

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Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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EPSS

0.975

Percentile

100.0%

JSON
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