What is CVE-2023-52441?

CVE-2023-52441 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Buffer Overflow flaw (CWE-119), affecting Linux kernel versions from 5.15 onward and patched in 5.15.145, 6.1.53, 6.4.16 and others. CVE-2023-52441 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52441?

CVE-2023-52441 has a CVSS score of 7.8 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:H/A:H.

Is there a patch available for CVE-2023-52441?

Yes, CVE-2023-52441 has been patched. Fixed versions include 5.15.145, 6.1.53, 6.4.16 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52441 actively exploited?

CVE-2023-52441 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2023-52441

High

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds in init_smb2_rsp_hdr() If client send smb2 negotiate request and then send smb1 negotiate request, init_smb2_rsp_hdr is called for smb1 negotiate request since need_neg is set to false. This patch ignore smb1 packets after ->need_neg is set to false.

Package Linux Kernel

Published 2024-02-21

Last modified 2024-11-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-119

CVE-2023-52441 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.145, 6.1.53, 6.4.16, 6.5 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.145 5.15.x ✓ 6.1.53 6.1.x ✓ 6.4.16 6.4.x ✓ 6.5

References

4 total

Kernel Git
https://git.kernel.org/stable/c/330d900620dfc9893011d725b3620cd2ee0bc2bc

Patch
Kernel Git
https://git.kernel.org/stable/c/536bb492d39bb6c080c92f31e8a55fe9934f452b

Patch
Kernel Git
https://git.kernel.org/stable/c/5c0df9d30c289d6b9d7d44e2a450de2f8e3cf40b

Patch
Kernel Git
https://git.kernel.org/stable/c/aa669ef229ae8dd779da9caa24e254964545895f

Patch

Details

CVE ID CVE-2023-52441

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-02-21

Modified 2024-11-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52441?

CVE-2023-52441 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.145, 6.1.53, 6.4.16 and others. CVE-2023-52441 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52441?

CVE-2023-52441 has a CVSS score of 7.8 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:H/A:H.
Is there a patch available for CVE-2023-52441?

Yes. CVE-2023-52441 has been patched. Fixed versions include 5.15.145, 6.1.53, 6.4.16 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52441 actively exploited?

No. CVE-2023-52441 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.