CVE-2023-30456

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 38.8% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-04-10 00:00Z3 YR AGO

Last updated

2025-03-19 15:43Z1 YR AGO

Reserved

2023-04-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weaknesses

• CWE-754Improper Check for Unusual or Exceptional ConditionsClass
• CWE-358Improperly Implemented Security Check for StandardBase

Data version

5.1

Document digest

9d2511f2e922539d5465b9d2dd6be19ea34335f850579f624b2d7393d5d53729

• github.comhttps://github.com/torvalds/linux/commit/112e66017bff7f2837030f34c2bc19501e9212d5
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.8
• lists.debian.org[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security updatehttps://lists.debian.org/debian-lts-announce/2023/05/msg00005.htmlmailing-list
• lists.debian.org[debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security updatehttps://lists.debian.org/debian-lts-announce/2023/05/msg00006.htmlmailing-list
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230511-0007/
• packetstormsecurity.comhttp://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html