CVE-2023-2860

Name: CVE-2023-2860
Creator: NVD / NIST
Published: 2023-07-24T16:15:11.293+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2023-2860 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. The flaw exists within the processing of seg6 attributes. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

An out-of-bounds read vulnerability was found in the SR-IPv6 implementation in the Linux kernel. The flaw exists within the processing of seg6 attributes. The issue results from the improper validation of user-supplied data, which can result in a read past the end of an allocated buffer. This flaw allows a privileged local user to disclose sensitive information on affected installations of the Linux kernel.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.35%

27.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Linux	Linux Kernel	<= 5.19.19	—
Linux	Linux Kernel	6.0	Rc1

References

https://access.redhat.com/security/cve/CVE-2023-2860Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2218122Issue Tracking, Patch
https://www.zerodayinitiative.com/advisories/ZDI-CAN-18511Third Party Advisory, VDB Entry
https://access.redhat.com/security/cve/CVE-2023-2860Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2218122Issue Tracking, Patch
https://www.zerodayinitiative.com/advisories/ZDI-CAN-18511Third Party Advisory, VDB Entry

Timeline

Published: Jul 24, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-2860?

How severe is CVE-2023-2860?

CVE-2023-2860 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2023-2860?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-2860?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST