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CVE-2023-1513

LOW
3.3
CVSS Score
Published: March 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:28 AM UTC
4 products affected across 3 vendorsLinux KernelFedoraEnterprise Linux

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fedora· Fedora Projectrpm
95%
37
Linux Kernel· Linux
95%
v < 6.2
Affected range stops below 6.2, so it looks safe — our inference, not a vendor statement
Enterprise Linux· Red Hatrpm
95%
7.08.09.0
Kernel· Red Hat
60%
All versions
Vendor states this is fixed in 6.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

Issue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2179892
Patch
Source: [email protected]
https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
Mailing List
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
Source: [email protected]
https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-665

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