CVE-2023-31436

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 ImpacttotalSuccessful exploitation gives total 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

0.59% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 45.7% of scored records. A rank, not a probability.

NVD base score

7.8 (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:U/C:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2023-04-28 00:00Z3 YR AGO

Last updated

2024-10-21 16:01Z1 YR AGO

Reserved

2023-04-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

20bee13d2f7ba0fcb9d3d806a72b5f273eb6158c4e5f71565e0f96fb5c71f1b1

• github.comhttps://github.com/torvalds/linux/commit/3037933448f60f9acb705997eae62013ecb81e0d
• www.spinics.nethttps://www.spinics.net/lists/stable-commits/msg294885.html
• cdn.kernel.orghttps://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.13
• www.debian.orgDSA-5402https://www.debian.org/security/2023/dsa-5402vendor-advisory
• lists.debian.org[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security updatehttps://lists.debian.org/debian-lts-announce/2023/06/msg00008.htmlmailing-list
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230609-0001/
• packetstormsecurity.comhttp://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/173757/Kernel-Live-Patch-Security-Notice-LSN-0096-1.html
• packetstormsecurity.comhttp://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html