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redhatRedHatRHSA-2023:3819
HistoryJun 27, 2023 - 1:35 p.m.

(RHSA-2023:3819) Moderate: kernel-rt security and bug fix update

2023-06-2713:35:31
access.redhat.com
26
kernel-rt
security
bug fix
real time linux kernel
tls
race condition fix

CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

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: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference (CVE-2023-28466)

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: update RT source tree to the RHEL-8.8.z1 source tree. (BZ#2210299)
OSVersionArchitecturePackageVersionFilename
RedHat8x86_64kernel-rt-debug-devel< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-debug-devel-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-kvm< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-kvm-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-debug< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-debug-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-debug-debuginfo< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-debug-debuginfo-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules-extra< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-debug-modules-extra-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-debug-modules< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-debug-modules-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-core< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-core-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-debuginfo-common-x86_64< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-debuginfo-common-x86_64-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-modules< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-modules-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
RedHat8x86_64kernel-rt-modules-extra< 4.18.0-477.15.1.rt7.278.el8_8kernel-rt-modules-extra-4.18.0-477.15.1.rt7.278.el8_8.x86_64.rpm
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CVSS3

7

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0

Percentile

5.1%

JSON
Related for RHSA-2023:3819
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