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redhatRedHatRHSA-2023:7551
HistoryNov 28, 2023 - 4:15 p.m.

(RHSA-2023:7551) Important: kernel-rt security update

2023-11-2816:15:31
access.redhat.com
38
real-time linux kernel
security update
use after free
cross-process information leak
cve
cvss score
acknowledgments

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

Low

EPSS

0.024

Percentile

90.1%

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: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

  • hw: amd: Cross-Process Information Leak (CVE-2023-20593)

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
RedHat8x86_64kernel-rt-debuginfo-common-x86_64< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debuginfo-common-x86_64-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-modules< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-modules-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debug-devel-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-debuginfo< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debug-debuginfo-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debuginfo-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debug-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debug-modules-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-debug-core< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-debug-core-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
RedHat8x86_64kernel-rt-devel< 4.18.0-305.114.1.rt7.190.el8_4kernel-rt-devel-4.18.0-305.114.1.rt7.190.el8_4.x86_64.rpm
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CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.4

Confidence

Low

EPSS

0.024

Percentile

90.1%

JSON
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