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SUSE: 2024:1139-1 Moderate: Ucode-Intel Denial Of Service Issue

suse
Calendar Grey April 8, 2024
Dist Suse Esm H88
Apply the most recent ucode-intel patch for resolving five vulnerabilities assessed as moderate on SUSE installations.
* bsc#1221323 Cross-References: * CVE-2023-22655 * CVE-2023-28746

Summary

## This update for ucode-intel fixes the following issues: * Updated to Intel CPU Microcode 20240312 release. (bsc#1221323) * CVE-2023-39368: Protection mechanism failure of bus lock regulator for some Intel Processors may allow an unauthenticated user to potentially enable denial of service via network access * CVE-2023-38575: Non-transparent sharing of return predictor targets between contexts in some Intel Processors may allow an authorized user to potentially enable information disclosure via local access. * CVE-2023-28746: Information exposure through microarchitectural state after transient execution from some register files for some Intel Atom Processors may allow an authenticated user to potentially enable information disclosure via local access.

Topics%20covered

Topics Covered

security advisory moderate denial of service bug fix information disclosure intel microcode ucode-intel

References

* bsc#1221323

Cross-

* CVE-2023-22655

* CVE-2023-28746

* CVE-2023-38575

* CVE-2023-39368

* CVE-2023-43490

CVSS scores:

* CVE-2023-22655 ( SUSE ): 6.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:H/A:N

* CVE-2023-28746 ( SUSE ): 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

* CVE-2023-38575 ( SUSE ): 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

* CVE-2023-39368 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

* CVE-2023-43490 ( SUSE ): 5.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N

Affected Products:

* Basesystem Module 15-SP5

* openSUSE Leap 15.5

* openSUSE Leap Micro 5.3

* openSUSE Leap Micro 5.4

* SUSE Enterprise Storage 7.1

* SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4

* SUSE Linux Enterprise Desktop 15 SP5

* SUSE Linux Enterprise High Performance Computing 15 SP2

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1139-1
Rating: moderate

Topics%20covered

Topics Covered

security advisory moderate denial of service bug fix information disclosure intel microcode ucode-intel

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