CVE-2023-1513

LOWNVD 3.37.5▲

3.3

A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.

CVSS v3: 3.3
EG Score: 7.5(medium)
EPSS: 7.1%
KEV: Not listed

Published

March 23, 2023

Last Modified

February 25, 2025

References (10)

secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=2179892
secalert@redhathttps://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
secalert@redhathttps://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
secalert@redhathttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
secalert@redhathttps://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2179892
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
af854a3a-2127-422b-91ae-364da2661108https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/

Patch Availability(20)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	linux-image-lowlatency (5.19.0.1024.20) @ kinetic	2026-05-25	ubuntu
ubuntu	linux-headers-5.15.0-1029-raspi-nolpae (5.15.0-1029.31) @ jammy	2026-05-25	ubuntu
ubuntu	linux-tools-4.15.0-1119-oracle (4.15.0-1119.130~16.04.1) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-gkeop-5.15 (5.15.0.1020.19) @ jammy	2026-05-25	ubuntu
ubuntu	linux-modules-extra-azure-edge (4.15.0.1165.149) @ xenial	2026-05-25	ubuntu
ubuntu	linux-modules-5.15.0-72-lowlatency (5.15.0-72.79) @ jammy	2026-05-25	ubuntu
ubuntu	linux-headers-aws-hwe (4.15.0.1156.139) @ xenial	2026-05-25	ubuntu
ubuntu	linux-ibm-cloud-tools-common (5.19.0-1022.24) @ kinetic	2026-05-25	ubuntu
ubuntu	linux-oem-tools-host (5.4.0.149.147) @ focal	2026-05-25	ubuntu
ubuntu	linux-modules-extra-4.15.0-211-generic (4.15.0-211.222~16.04.1) @ xenial	2026-05-25	ubuntu
ubuntu	linux-tools-generic-hwe-22.04-edge (5.19.0.42.43~22.04.15) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-raspi2-hwe-18.04 (5.4.0.1085.115) @ focal	2026-05-25	ubuntu
ubuntu	linux-headers-5.4.0-1101-oracle (5.4.0-1101.110) @ focal	2026-05-25	ubuntu
ubuntu	linux-image-aws (5.4.0.1103.81) @ bionic	2026-05-25	ubuntu
ubuntu	linux-tools-intel-iotg (5.15.0.1030.29) @ jammy	2026-05-25	ubuntu
ubuntu	linux-image-5.15.0-1030-intel-iotg (5.15.0-1030.35~20.04.1) @ focal	2026-05-25	ubuntu
ubuntu	linux-tools-iot (5.4.0.1017.15) @ focal	2026-05-25	ubuntu
ubuntu	linux-headers-5.4.0-1024-xilinx-zynqmp (5.4.0-1024.28) @ focal	2026-05-25	ubuntu
redhat	kernel-0:4.18.0-553.el8_10	2024-05-22	redhat
redhat	kernel-rt-0:4.18.0-553.rt7.342.el8_10	2024-05-22	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-665

All Vendor Advisories

(21)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 04:44 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-1513?

CVE-2023-1513 is a low vulnerability published on March 23, 2023. A flaw was found in KVM. When calling the KVMGETDEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.

When was CVE-2023-1513 disclosed?

CVE-2023-1513 was first published in the National Vulnerability Database on March 23, 2023, with the most recent update on February 25, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-1513 actively exploited?

CVE-2023-1513 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-1513?

CVE-2023-1513 has a CVSS v3 base score of 3.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.5.

How do I remediate CVE-2023-1513?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-1513, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-1513

Published

Last Modified

References (10)

Patch Availability(20)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-1513?

Same vendor

Same CWE

CVE-2023-1513

📅 Published

🔄 Last Modified

🔗 References (10)

Patch Availability(20)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-1513?

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References (10)

Frequently asked(5)

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