RHEA-2025:3114: microcode_ctl security update

RHEA-2025:3114, released March 24, 2025, fixes 10 CVEs in microcode_ctl (version 4:20250211-1.el8_10). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.2

Base score, 0 to 10

Highest EPSS

0.0028

20th percentile

Priority of the 10 CVEs

Patch now 0
                                Urgent 0
                                High 5
                                Routine 5

Fixed package versions

Product	Release	Fixed in
microcode_ctl	RHEL 8	4:20250211-1.el8_10

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2023-43758	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Bug Fix(es) and Enhancement(s):...	8.2	0.0028	None reported
High	CVE-2023-34440	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Bug Fix(es) and Enhancement(s):...	7.5	0.0025	None reported
High	CVE-2024-24582	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Bug Fix(es) and Enhancement(s):...	7.5	0.0025	None reported
High	CVE-2024-28127	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Bug Fix(es) and Enhancement(s):...	7.5	0.0025	None reported
High	CVE-2024-29214	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Bug Fix(es) and Enhancement(s):...	7.5	0.0025	None reported
Routine	CVE-2024-36293	ucode-intel: This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20250211 release (b...	6.5	0.0027	None reported
Routine	CVE-2024-28047	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix(es): * microcode_ct...	6.5	0.0025	None reported
Routine	CVE-2024-31068	ucode-intel: This update for ucode-intel fixes the following issues: - Intel CPU Microcode was updated to the 20250211 release (b...	5.3	0.0024	None reported
Routine	CVE-2024-31157	microcode_ctl: The microcode_ctl packages provide microcode updates for Intel and AMD processors. Security Fix(es): * microcode_ct...	6.5	0.0023	None reported
Routine	CVE-2024-39279	intel-microcode: Insufficient granularity of access control in UEFI firmware in someIntel(R) processors may allow a authenticated user...	6.5	0.0022	None reported

Also fixes CVE-2023-43758

RHBA-2025:2991
microcode_ctl on RHEL 9
DEBIAN-CVE-2023-43758
intel-microcode on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

Vendor advisory

https://access.redhat.com/errata/RHEA-2025:3114

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