Vulnerability Details : CVE-2023-1513
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.
Products affected by CVE-2023-1513
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-1513
0.01%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 1 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-1513
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-02-25 |
|
3.3
|
LOW | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N |
1.8
|
1.4
|
NIST |
CWE ids for CVE-2023-1513
-
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.Assigned by:
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Primary)
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2023-1513
-
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
[SECURITY] [DLA 3403-1] linux security update
-
https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh%40linuxfoundation.org/
[PATCH] kvm: initialize all of the kvm_debugregs structure before sending it to userspace - Greg Kroah-Hartman
-
https://github.com/torvalds/linux/commit/2c10b61421a28e95a46ab489fd56c0f442ff6952
kvm: initialize all of the kvm_debugregs structure before sending it … · torvalds/linux@2c10b61 · GitHubPatch
-
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
[SECURITY] [DLA 3404-1] linux-5.10 security update
-
https://bugzilla.redhat.com/show_bug.cgi?id=2179892
2179892 – (CVE-2023-1513) CVE-2023-1513 kernel: KVM: information leak in KVM_GET_DEBUGREGS ioctl on 32-bit systemsIssue Tracking;Patch;Third Party Advisory
-
https://lore.kernel.org/kvm/20230214103304.3689213-1-gregkh@linuxfoundation.org/
[PATCH] kvm: initialize all of the kvm_debugregs structure before sending it to userspace - Greg Kroah-HartmanPatch;Vendor Advisory
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