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MEDIUM

CVE-2023-20569

CVSS v3

4.7

MEDIUM

EPSS Score

7.3 %

exploit probability, as of 2026-10-18

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • iwl100-firmwareAlmaLinux:9all versions · fixed in 39.31.5.1-140.el9_3
  • iwl100-firmwareAlmaLinux:8all versions · fixed in 39.31.5.1-119.el8_9.1
  • iwl1000-firmwareAlmaLinux:9all versions · fixed in 1:39.31.5.1-140.el9_3
  • iwl1000-firmwareAlmaLinux:8all versions · fixed in 1:39.31.5.1-119.el8_9.1
  • iwl105-firmwareAlmaLinux:9all versions · fixed in 18.168.6.1-140.el9_3and 5 other packages
  • iwl105-firmwareAlmaLinux:8all versions · fixed in 18.168.6.1-119.el8_9.1and 5 other packages
  • iwl3160-firmwareAlmaLinux:9all versions · fixed in 1:25.30.13.0-140.el9_3and 1 other package
  • iwl3160-firmwareAlmaLinux:8all versions · fixed in 1:25.30.13.0-119.el8_9.1and 1 other package

13 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-20569 Red Hat Product Security1,244 products fixed · 50 known affected

    amd: Return Address Predictor vulnerability leading to information disclosure

    bpftool as a component of Red Hat Enterprise Linux 7 · kernel as a component of Red Hat Enterprise Linux 7 · kernel-abi-whitelists as a component of Red Hat Enterprise Linux 7

  • ICSA-25-105-08 CISA2 known affected

    ABB M2M Gateway

    ABB M2M Gateway ARM600, firmware versions = 4.1.2 <= 5.0.3 · ABB M2M Gateway SW, software versions = 5.0.1 <= 5.0.3

  • RHSA-2024:5255 Red Hat Product Security120 products fixed

    Red Hat Security Advisory: kernel security update

  • RHSA-2024:2005 Red Hat Product Security66 products fixed

    Red Hat Security Advisory: linux-firmware security update

  • RHSA-2024:0724 Red Hat Product Security129 products fixed

    Red Hat Security Advisory: kernel security and bug fix update

  • RHSA-2024:0561 Red Hat Product Security66 products fixed

    Red Hat Security Advisory: linux-firmware security update

14 more advisories

Full record on NVD

Description

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

Technical details

Published
2023-08-08

Frequently asked questions

What is CVE-2023-20569?

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

Is CVE-2023-20569 actively exploited?

Active exploitation of CVE-2023-20569 has not been confirmed. Its EPSS score was 7.3% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-20569?

CVE-2023-20569 has a CVSS v3 base score of 4.7 (MEDIUM severity).

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