Is CVE-2023-31356 in the CISA KEV catalog?

No. CVE-2023-31356 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-31356?

CVE-2023-31356 has a CVSS v3 base score of 4.4 (MEDIUM).

What is the EPSS score for CVE-2023-31356?

CVE-2023-31356 has an EPSS score of 0.20% (10th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31356?

Upgrade amd64-microcode on debian 11 to 3.20240820.1~deb11u1 or later. Fixes are available for 48 affected products.

CVE & CISA-KEV Catalog

CVE-2023-31356

MEDIUM

4.4

CVSS v3

NVD

Description

Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.

CWE-459

How to fix

Remediation Available

amd64-microcodeDebian

Fixed in:3.20240820.1~deb11u1CVE-2023-31356

Fixed in:3.20240820.1~deb12u1CVE-2023-31356

Fixed in:3.20240820.1CVE-2023-31356

iwl100-firmwareRocky

Fixed in:0:39.31.5.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:39.31.5.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:39.31.5.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:39.31.5.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:39.31.5.1-143.3.el9_4RHSA-2024:7484

iwl100-firmwareRed Hat / RHEL

Fixed in:0:39.31.5.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:39.31.5.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:39.31.5.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:39.31.5.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:39.31.5.1-138.3.el9_2RHSA-2024:7483

iwl1000-firmwareRed Hat / RHEL

Fixed in:1:39.31.5.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:1:39.31.5.1-124.el8_10.1RHSA-2024:7481

Fixed in:1:39.31.5.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:1:39.31.5.1-143.3.el9_4RHSA-2024:7484

Fixed in:1:39.31.5.1-138.3.el9_2RHSA-2024:7483

iwl1000-firmwareRocky

Fixed in:1:39.31.5.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:1:39.31.5.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:1:39.31.5.1-124.el8_10.1RHSA-2024:7481

Fixed in:1:39.31.5.1-138.3.el9_2RHSA-2024:7483

Fixed in:1:39.31.5.1-143.3.el9_4RHSA-2024:7484

iwl105-firmwareRocky

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

iwl105-firmwareRed Hat / RHEL

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

iwl135-firmwareRocky

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

iwl135-firmwareRed Hat / RHEL

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

iwl2000-firmwareRocky

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

iwl2000-firmwareRed Hat / RHEL

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

iwl2030-firmwareRed Hat / RHEL

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

iwl2030-firmwareRocky

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

iwl3160-firmwareRed Hat / RHEL

Fixed in:1:25.30.13.0-118.3.el8_8.1RHSA-2024:7482

Fixed in:1:25.30.13.0-114.3.el8_6.1RHSA-2024:7418

Fixed in:1:25.30.13.0-124.el8_10.1RHSA-2024:7481

Fixed in:1:25.30.13.0-143.3.el9_4RHSA-2024:7484

Fixed in:1:25.30.13.0-138.3.el9_2RHSA-2024:7483

iwl3160-firmwareRocky

Fixed in:1:25.30.13.0-124.el8_10.1RHSA-2024:7481

Fixed in:1:25.30.13.0-114.3.el8_6.1RHSA-2024:7418

Fixed in:1:25.30.13.0-118.3.el8_8.1RHSA-2024:7482

Fixed in:1:25.30.13.0-143.3.el9_4RHSA-2024:7484

Fixed in:1:25.30.13.0-138.3.el9_2RHSA-2024:7483

iwl3945-firmwareRed Hat / RHEL

Fixed in:0:15.32.2.9-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:15.32.2.9-124.el8_10.1RHSA-2024:7481

Fixed in:0:15.32.2.9-114.3.el8_6.1RHSA-2024:7418

iwl3945-firmwareRocky

Fixed in:0:15.32.2.9-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:15.32.2.9-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:15.32.2.9-124.el8_10.1RHSA-2024:7481

iwl4965-firmwareRocky

Fixed in:0:228.61.2.24-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:228.61.2.24-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:228.61.2.24-124.el8_10.1RHSA-2024:7481

iwl4965-firmwareRed Hat / RHEL

Fixed in:0:228.61.2.24-124.el8_10.1RHSA-2024:7481

Fixed in:0:228.61.2.24-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:228.61.2.24-118.3.el8_8.1RHSA-2024:7482

iwl5000-firmwareRocky

Fixed in:0:8.83.5.1_1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:8.83.5.1_1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:8.83.5.1_1-124.el8_10.1RHSA-2024:7481

Fixed in:0:8.83.5.1_1-143.3.el9_4RHSA-2024:7484

Fixed in:0:8.83.5.1_1-138.3.el9_2RHSA-2024:7483

iwl5000-firmwareRed Hat / RHEL

Fixed in:0:8.83.5.1_1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:8.83.5.1_1-124.el8_10.1RHSA-2024:7481

Fixed in:0:8.83.5.1_1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:8.83.5.1_1-138.3.el9_2RHSA-2024:7483

Fixed in:0:8.83.5.1_1-143.3.el9_4RHSA-2024:7484

iwl5150-firmwareRed Hat / RHEL

Fixed in:0:8.24.2.2-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:8.24.2.2-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:8.24.2.2-124.el8_10.1RHSA-2024:7481

Fixed in:0:8.24.2.2-143.3.el9_4RHSA-2024:7484

Fixed in:0:8.24.2.2-138.3.el9_2RHSA-2024:7483

iwl5150-firmwareRocky

Fixed in:0:8.24.2.2-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:8.24.2.2-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:8.24.2.2-124.el8_10.1RHSA-2024:7481

Fixed in:0:8.24.2.2-143.3.el9_4RHSA-2024:7484

Fixed in:0:8.24.2.2-138.3.el9_2RHSA-2024:7483

iwl6000-firmwareRed Hat / RHEL

Fixed in:0:9.221.4.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:9.221.4.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:9.221.4.1-114.3.el8_6.1RHSA-2024:7418

iwl6000-firmwareRocky

Fixed in:0:9.221.4.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:9.221.4.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:9.221.4.1-114.3.el8_6.1RHSA-2024:7418

iwl6000g2a-firmwareRocky

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

iwl6000g2a-firmwareRed Hat / RHEL

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

iwl6000g2b-firmwareRocky

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

iwl6000g2b-firmwareRed Hat / RHEL

Fixed in:0:18.168.6.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:18.168.6.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:18.168.6.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:18.168.6.1-143.3.el9_4RHSA-2024:7484

Fixed in:0:18.168.6.1-138.3.el9_2RHSA-2024:7483

iwl6050-firmwareRed Hat / RHEL

Fixed in:0:41.28.5.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:41.28.5.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:41.28.5.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:41.28.5.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:41.28.5.1-143.3.el9_4RHSA-2024:7484

iwl6050-firmwareRocky

Fixed in:0:41.28.5.1-114.3.el8_6.1RHSA-2024:7418

Fixed in:0:41.28.5.1-124.el8_10.1RHSA-2024:7481

Fixed in:0:41.28.5.1-118.3.el8_8.1RHSA-2024:7482

Fixed in:0:41.28.5.1-138.3.el9_2RHSA-2024:7483

Fixed in:0:41.28.5.1-143.3.el9_4RHSA-2024:7484

iwl7260-firmwareRed Hat / RHEL

Fixed in:1:25.30.13.0-118.3.el8_8.1RHSA-2024:7482

Fixed in:1:25.30.13.0-124.el8_10.1RHSA-2024:7481

Fixed in:1:25.30.13.0-114.3.el8_6.1RHSA-2024:7418

Fixed in:1:25.30.13.0-143.3.el9_4RHSA-2024:7484

Fixed in:1:25.30.13.0-138.3.el9_2RHSA-2024:7483

iwl7260-firmwareRocky

Fixed in:1:25.30.13.0-114.3.el8_6.1RHSA-2024:7418

Fixed in:1:25.30.13.0-118.3.el8_8.1RHSA-2024:7482

Fixed in:1:25.30.13.0-124.el8_10.1RHSA-2024:7481

Fixed in:1:25.30.13.0-143.3.el9_4RHSA-2024:7484

Fixed in:1:25.30.13.0-138.3.el9_2RHSA-2024:7483

libertas-sd8686-firmwareRed Hat / RHEL

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

libertas-sd8686-firmwareRocky

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

libertas-sd8787-firmwareRocky

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

libertas-sd8787-firmwareRed Hat / RHEL

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

libertas-usb8388-firmwareRocky

Fixed in:2:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:2:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:2:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

libertas-usb8388-firmwareRed Hat / RHEL

Fixed in:2:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:2:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:2:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

libertas-usb8388-olpc-firmwareRocky

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

libertas-usb8388-olpc-firmwareRed Hat / RHEL

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

linux-firmwareRed Hat / RHEL

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

linux-firmwareRocky

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-124.git3cff7109.el8_10RHSA-2024:7481

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240827-114.3.git3cff7109.el8_6RHSA-2024:7418

Fixed in:0:20240827-118.3.git3cff7109.el8_8RHSA-2024:7482

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

linux-firmware-whenceRocky

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

linux-firmware-whenceRed Hat / RHEL

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

netronome-firmwareRocky

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

netronome-firmwareRed Hat / RHEL

Fixed in:0:20240905-138.3.el9_2RHSA-2024:7483

Fixed in:0:20240905-143.3.el9_4RHSA-2024:7484

amd64-microcodeUbuntu

Fixed in:3.20250311.1ubuntu0.24.04.1USN-7561-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.20%probability of exploitation in 30 days

10thpercentile

Low risk: more likely to be exploited than 10% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-459 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-17090	High	7.5	82%	-	Fix
CVE-2021-39327	Medium	5.3	72%	-	-
CVE-2025-31650	High	7.5	67%	-	Fix
CVE-2022-1552	High	8.8	12%	-	Fix
CVE-2018-18924	High	8.8	9.5%	-	-
CVE-2022-21125	Medium	5.5	6.5%	-	Fix

Embed a live status badge for CVE-2023-31356

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-02-11.