CVE-2023-6560

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 20.5% of scored records. A rank, not a probability.

NVD base score

5.5 (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:U/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

2023-12-08 23:56Z2 YR AGO

Last updated

2024-08-02 08:35Z2 YR AGO

Reserved

2023-12-06

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

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

Weaknesses

• CWE-823Use of Out-of-range Pointer OffsetBase
• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

71dd55d1a3be8aa7ed33c170adb20a1c9e3daf1078bd7181bbf9fcb87b03e277

• packetstormsecurity.comhttp://packetstormsecurity.com/files/176405/io_uring-__io_uaddr_map-Dangerous-Multi-Page-Handling.html
• access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-6560vdb-entryx_refsource_REDHAT
• bugzilla.redhat.comRHBZ#2253249https://bugzilla.redhat.com/show_bug.cgi?id=2253249issue-trackingx_refsource_REDHAT
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AU4NHBDEDLRW33O76Y6LFECEYNQET5GZ/
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UCQIPFUQXKXRCH5Y4RP3C5NK4IHNBNVK/
• patchwork.kernel.orghttps://patchwork.kernel.org/project/io-uring/patch/20231130194633.649319-2-axboe@kernel.dk/