CVE & CISA-KEV Catalog

CVE-2023-20593

MEDIUMEPSS 92th pctl
5.5
CVSS v3
NVD

Description

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information.

CWE-209

How to fix

Remediation Available
amd64-microcodeDebian
Fixed in:3.20230719.1~deb11u1CVE-2023-20593
Fixed in:3.20230719.1~deb12u1CVE-2023-20593
Fixed in:3.20230719.1CVE-2023-20593
Fixed in:3.20230719.1CVE-2023-20593
bpftoolRed Hat / RHEL
Fixed in:0:3.10.0-957.105.1.el7RHSA-2023:4696
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7.ppc64RHSA-2023:4819
Fixed in:0:3.10.0-1062.79.1.el7RHSA-2023:5419
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:4.18.0-305.114.1.el8_4RHSA-2023:7557
Fixed in:0:4.18.0-372.70.1.el8_6RHSA-2023:4789
bpftoolRocky
Fixed in:0:3.10.0-957.105.1.el7RHSA-2023:4696
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7.ppc64RHSA-2023:4819
Fixed in:0:3.10.0-1062.79.1.el7RHSA-2023:5419
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:4.18.0-305.114.1.el8_4RHSA-2023:7557
Fixed in:0:4.18.0-477.27.1.el8_8RHSA-2023:5244
bpftool-debuginfoRocky
Fixed in:0:3.10.0-1160.99.1.el7.ppc64RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1062.79.1.el7RHSA-2023:5419
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:4.18.0-305.114.1.el8_4RHSA-2023:7557
Fixed in:0:4.18.0-477.27.1.el8_8RHSA-2023:5244
Fixed in:0:4.18.0-193.120.1.el8_2RHSA-2024:0403
bpftool-debuginfoRed Hat / RHEL
Fixed in:0:3.10.0-1160.99.1.el7.ppc64RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1062.79.1.el7RHSA-2023:5419
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:3.10.0-1160.99.1.el7RHSA-2023:4819
Fixed in:0:4.18.0-305.114.1.el8_4RHSA-2023:7557
Fixed in:0:4.18.0-477.27.1.el8_8RHSA-2023:5244
Fixed in:0:4.18.0-305.114.1.el8_4RHSA-2023:7557
iwl100-firmwareRed Hat / RHEL
Fixed in:0:39.31.5.1-74.el7_7RHSA-2023:7244
Fixed in:0:39.31.5.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:39.31.5.1-81.el7_9RHSA-2023:7513
Fixed in:0:39.31.5.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:39.31.5.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:39.31.5.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:39.31.5.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:39.31.5.1-112.el8_6.1RHSA-2023:7401
iwl100-firmwareRocky
Fixed in:0:39.31.5.1-74.el7_7RHSA-2023:7244
Fixed in:0:39.31.5.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:39.31.5.1-81.el7_9RHSA-2023:7513
Fixed in:0:39.31.5.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:39.31.5.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:39.31.5.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:39.31.5.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:39.31.5.1-105.el8_4.1RHSA-2024:0561
iwl1000-firmwareRed Hat / RHEL
Fixed in:1:39.31.5.1-74.el7_7RHSA-2023:7244
Fixed in:1:39.31.5.1-69.2.el7_6RHSA-2023:7782
Fixed in:1:39.31.5.1-81.el7_9RHSA-2023:7513
Fixed in:1:39.31.5.1-117.el8_8.1RHSA-2023:5245
Fixed in:1:39.31.5.1-100.el8_2.1RHSA-2023:5591
Fixed in:1:39.31.5.1-105.el8_4.1RHSA-2024:0561
Fixed in:1:39.31.5.1-97.el8_1.1RHSA-2023:7665
Fixed in:1:39.31.5.1-112.el8_6.1RHSA-2023:7401
iwl1000-firmwareRocky
Fixed in:1:39.31.5.1-81.el7_9RHSA-2023:7513
Fixed in:1:39.31.5.1-74.el7_7RHSA-2023:7244
Fixed in:1:39.31.5.1-69.2.el7_6RHSA-2023:7782
Fixed in:1:39.31.5.1-100.el8_2.1RHSA-2023:5591
Fixed in:1:39.31.5.1-112.el8_6.1RHSA-2023:7401
Fixed in:1:39.31.5.1-117.el8_8.1RHSA-2023:5245
Fixed in:1:39.31.5.1-105.el8_4.1RHSA-2024:0561
Fixed in:1:39.31.5.1-97.el8_1.1RHSA-2023:7665
iwl105-firmwareRocky
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
iwl105-firmwareRed Hat / RHEL
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
iwl135-firmwareRocky
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
iwl135-firmwareRed Hat / RHEL
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
iwl2000-firmwareRocky
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
iwl2000-firmwareRed Hat / RHEL
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
iwl2030-firmwareRed Hat / RHEL
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
iwl2030-firmwareRocky
Fixed in:0:18.168.6.1-74.el7_7RHSA-2023:7244
Fixed in:0:18.168.6.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
iwl3160-firmwareRocky
Fixed in:0:22.0.7.0-74.el7_7RHSA-2023:7244
Fixed in:0:22.0.7.0-69.2.el7_6RHSA-2023:7782
Fixed in:0:25.30.13.0-81.el7_9RHSA-2023:7513
Fixed in:1:25.30.13.0-105.el8_4.1RHSA-2024:0561
Fixed in:1:25.30.13.0-112.el8_6.1RHSA-2023:7401
Fixed in:1:25.30.13.0-117.el8_8.1RHSA-2023:5245
Fixed in:1:25.30.13.0-97.el8_1.1RHSA-2023:7665
Fixed in:1:25.30.13.0-100.el8_2.1RHSA-2023:5591
iwl3160-firmwareRed Hat / RHEL
Fixed in:0:22.0.7.0-74.el7_7RHSA-2023:7244
Fixed in:0:22.0.7.0-69.2.el7_6RHSA-2023:7782
Fixed in:0:25.30.13.0-81.el7_9RHSA-2023:7513
Fixed in:1:25.30.13.0-117.el8_8.1RHSA-2023:5245
Fixed in:1:25.30.13.0-97.el8_1.1RHSA-2023:7665
Fixed in:1:25.30.13.0-112.el8_6.1RHSA-2023:7401
Fixed in:1:25.30.13.0-105.el8_4.1RHSA-2024:0561
Fixed in:1:25.30.13.0-100.el8_2.1RHSA-2023:5591
iwl3945-firmwareRocky
Fixed in:0:15.32.2.9-81.el7_9RHSA-2023:7513
Fixed in:0:15.32.2.9-69.2.el7_6RHSA-2023:7782
Fixed in:0:15.32.2.9-74.el7_7RHSA-2023:7244
Fixed in:0:15.32.2.9-112.el8_6.1RHSA-2023:7401
Fixed in:0:15.32.2.9-100.el8_2.1RHSA-2023:5591
Fixed in:0:15.32.2.9-97.el8_1.1RHSA-2023:7665
Fixed in:0:15.32.2.9-105.el8_4.1RHSA-2024:0561
Fixed in:0:15.32.2.9-117.el8_8.1RHSA-2023:5245
iwl3945-firmwareRed Hat / RHEL
Fixed in:0:15.32.2.9-69.2.el7_6RHSA-2023:7782
Fixed in:0:15.32.2.9-74.el7_7RHSA-2023:7244
Fixed in:0:15.32.2.9-81.el7_9RHSA-2023:7513
Fixed in:0:15.32.2.9-97.el8_1.1RHSA-2023:7665
Fixed in:0:15.32.2.9-100.el8_2.1RHSA-2023:5591
Fixed in:0:15.32.2.9-117.el8_8.1RHSA-2023:5245
Fixed in:0:15.32.2.9-112.el8_6.1RHSA-2023:7401
Fixed in:0:15.32.2.9-105.el8_4.1RHSA-2024:0561
iwl4965-firmwareRocky
Fixed in:0:228.61.2.24-69.2.el7_6RHSA-2023:7782
Fixed in:0:228.61.2.24-74.el7_7RHSA-2023:7244
Fixed in:0:228.61.2.24-81.el7_9RHSA-2023:7513
Fixed in:0:228.61.2.24-117.el8_8.1RHSA-2023:5245
Fixed in:0:228.61.2.24-105.el8_4.1RHSA-2024:0561
Fixed in:0:228.61.2.24-112.el8_6.1RHSA-2023:7401
Fixed in:0:228.61.2.24-97.el8_1.1RHSA-2023:7665
Fixed in:0:228.61.2.24-100.el8_2.1RHSA-2023:5591
iwl4965-firmwareRed Hat / RHEL
Fixed in:0:228.61.2.24-69.2.el7_6RHSA-2023:7782
Fixed in:0:228.61.2.24-74.el7_7RHSA-2023:7244
Fixed in:0:228.61.2.24-81.el7_9RHSA-2023:7513
Fixed in:0:228.61.2.24-117.el8_8.1RHSA-2023:5245
Fixed in:0:228.61.2.24-97.el8_1.1RHSA-2023:7665
Fixed in:0:228.61.2.24-105.el8_4.1RHSA-2024:0561
Fixed in:0:228.61.2.24-112.el8_6.1RHSA-2023:7401
Fixed in:0:228.61.2.24-100.el8_2.1RHSA-2023:5591
iwl5000-firmwareRed Hat / RHEL
Fixed in:0:8.83.5.1_1-74.el7_7RHSA-2023:7244
Fixed in:0:8.83.5.1_1-69.2.el7_6RHSA-2023:7782
Fixed in:0:8.83.5.1_1-81.el7_9RHSA-2023:7513
Fixed in:0:8.83.5.1_1-117.el8_8.1RHSA-2023:5245
Fixed in:0:8.83.5.1_1-105.el8_4.1RHSA-2024:0561
Fixed in:0:8.83.5.1_1-100.el8_2.1RHSA-2023:5591
Fixed in:0:8.83.5.1_1-112.el8_6.1RHSA-2023:7401
Fixed in:0:8.83.5.1_1-97.el8_1.1RHSA-2023:7665
iwl5000-firmwareRocky
Fixed in:0:8.83.5.1_1-74.el7_7RHSA-2023:7244
Fixed in:0:8.83.5.1_1-81.el7_9RHSA-2023:7513
Fixed in:0:8.83.5.1_1-69.2.el7_6RHSA-2023:7782
Fixed in:0:8.83.5.1_1-117.el8_8.1RHSA-2023:5245
Fixed in:0:8.83.5.1_1-112.el8_6.1RHSA-2023:7401
Fixed in:0:8.83.5.1_1-105.el8_4.1RHSA-2024:0561
Fixed in:0:8.83.5.1_1-97.el8_1.1RHSA-2023:7665
Fixed in:0:8.83.5.1_1-100.el8_2.1RHSA-2023:5591
iwl5150-firmwareRocky
Fixed in:0:8.24.2.2-69.2.el7_6RHSA-2023:7782
Fixed in:0:8.24.2.2-74.el7_7RHSA-2023:7244
Fixed in:0:8.24.2.2-81.el7_9RHSA-2023:7513
Fixed in:0:8.24.2.2-105.el8_4.1RHSA-2024:0561
Fixed in:0:8.24.2.2-100.el8_2.1RHSA-2023:5591
Fixed in:0:8.24.2.2-112.el8_6.1RHSA-2023:7401
Fixed in:0:8.24.2.2-97.el8_1.1RHSA-2023:7665
Fixed in:0:8.24.2.2-117.el8_8.1RHSA-2023:5245
iwl5150-firmwareRed Hat / RHEL
Fixed in:0:8.24.2.2-81.el7_9RHSA-2023:7513
Fixed in:0:8.24.2.2-74.el7_7RHSA-2023:7244
Fixed in:0:8.24.2.2-69.2.el7_6RHSA-2023:7782
Fixed in:0:8.24.2.2-112.el8_6.1RHSA-2023:7401
Fixed in:0:8.24.2.2-105.el8_4.1RHSA-2024:0561
Fixed in:0:8.24.2.2-100.el8_2.1RHSA-2023:5591
Fixed in:0:8.24.2.2-97.el8_1.1RHSA-2023:7665
Fixed in:0:8.24.2.2-117.el8_8.1RHSA-2023:5245
iwl6000-firmwareRed Hat / RHEL
Fixed in:0:9.221.4.1-74.el7_7RHSA-2023:7244
Fixed in:0:9.221.4.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:9.221.4.1-81.el7_9RHSA-2023:7513
Fixed in:0:9.221.4.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:9.221.4.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:9.221.4.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:9.221.4.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:9.221.4.1-100.el8_2.1RHSA-2023:5591
iwl6000-firmwareRocky
Fixed in:0:9.221.4.1-74.el7_7RHSA-2023:7244
Fixed in:0:9.221.4.1-81.el7_9RHSA-2023:7513
Fixed in:0:9.221.4.1-69.2.el7_6RHSA-2023:7782
Fixed in:0:9.221.4.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:9.221.4.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:9.221.4.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:9.221.4.1-112.el8_6.1RHSA-2023:7401
Fixed in:0:9.221.4.1-117.el8_8.1RHSA-2023:5245
iwl6000g2a-firmwareRocky
Fixed in:0:17.168.5.3-74.el7_7RHSA-2023:7244
Fixed in:0:17.168.5.3-69.2.el7_6RHSA-2023:7782
Fixed in:0:18.168.6.1-81.el7_9RHSA-2023:7513
Fixed in:0:18.168.6.1-117.el8_8.1RHSA-2023:5245
Fixed in:0:18.168.6.1-97.el8_1.1RHSA-2023:7665
Fixed in:0:18.168.6.1-100.el8_2.1RHSA-2023:5591
Fixed in:0:18.168.6.1-105.el8_4.1RHSA-2024:0561
Fixed in:0:18.168.6.1-112.el8_6.1RHSA-2023:7401

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

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

Exploit Intelligence

5.19%probability of exploitation in 30 days
92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-209 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-29059High7.599%KEV-
CVE-2021-22145Medium6.576%--
CVE-2010-3332Medium6.467%--
CVE-2025-62168Critical10.063%-Fix
CVE-2025-47813Medium4.359%KEVFix
CVE-2013-7331Medium6.558%KEV-

Common questions

How do I fix CVE-2023-20593?

Published advisories record a fix for 408 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2023-20593 being actively exploited?

Not that we know of. CVE-2023-20593 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 5.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 92% of all scored CVEs.

How severe is CVE-2023-20593?

CVE-2023-20593 has a CVSS v3 base score of 5.5, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2023-20593 affect?

Published advisories record a fix for amd64-microcode (Debian), bpftool (Red Hat / RHEL), bpftool (Rocky), bpftool-debuginfo (Rocky), and 404 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2025-02-13.