CVE-2023-1513

kernel: KVM: information leak in KVM_GET_DEBUGREGS ioctl on 32-bit systems

Severity Score

3.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

*Credits: N/A

CVSS Scores

NISTv3.1 3.3

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-03-20 CVE Reserved
2023-03-23 CVE Published
2024-06-27 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-665: Improper Initialization

CAPEC

References (6)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html	Mailing List
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html	Mailing List
https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=2179892	2023-11-07
https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952	2023-11-07

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2023-1513	2024-05-22

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.2 Search vendor "Linux" for product "Linux Kernel" and version " < 6.2"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"		-		Affected