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CVE-2023-1513

Good to know:

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Date: March 23, 2023

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.

Language: C

Severity Score

Related Resources (10)

https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh@linuxfoundation.org/
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
https://access.redhat.com/security/cve/CVE-2023-1513
https://nvd.nist.gov/vuln/detail/CVE-2023-1513
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://bugzilla.redhat.com/show_bug.cgi?id=2179892
https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-1513
https://www.mend.io/vulnerability-database/CVE-2023-1513

Severity Score

Weakness Type (CWE)

Improper Initialization

CWE-665

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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