What is CVE-2023-3268?

CVE-2023-3268 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Out-of-bounds Read flaw (CWE-125). CVE-2023-3268 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-3268?

CVE-2023-3268 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2023-3268?

No patch is currently available for CVE-2023-3268. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-3268 actively exploited?

CVE-2023-3268 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2023-3268

High

An out of bounds (OOB) memory access flaw was found in the Linux kernel in relay_file_read_start_pos in kernel/relay.c in the relayfs. This flaw could allow a local attacker to crash the system or leak kernel internal information.

Package Linux Kernel

Published 2023-06-16

Last modified 2025-03-11

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-125

CVE-2023-3268 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2023-3268 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.2

Mailing List Release Notes
Debian Security
https://lists.debian.org/debian-lts-announce/2023/07/msg00030.html

Mailing List Third Party Advisory
Debian Security
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html

Mailing List Third Party Advisory
Kernel.org
https://lore.kernel.org/lkml/1682238502-1892-1-git-send-email-yangpc%40wangsu.com/T/
Security
https://security.netapp.com/advisory/ntap-20230824-0006/

Third Party Advisory
Debian Security
https://www.debian.org/security/2023/dsa-5448

Third Party Advisory
Debian Security
https://www.debian.org/security/2023/dsa-5480

Third Party Advisory
Kernel patch commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=43ec16f1450f4936025a9bdf1a273affdb9732c1
Patch

Details

CVE ID CVE-2023-3268

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2023-06-16

Modified 2025-03-11

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-3268?

CVE-2023-3268 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . CVE-2023-3268 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-3268?

CVE-2023-3268 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2023-3268?

No patch is currently available for CVE-2023-3268. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-3268 actively exploited?

No — CVE-2023-3268 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. View CWE-125 on MITRE CWE →