What is CVE-2023-52755?

CVE-2023-52755 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10, classified as a Out-of-bounds Write flaw (CWE-787), affecting Linux kernel versions from 5.15 onward and patched in 5.15.140, 6.1.64, 6.5.13 and others. CVE-2023-52755 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52755?

CVE-2023-52755 has a CVSS score of 8.4 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2023-52755?

Yes, CVE-2023-52755 has been patched. Fixed versions include 5.15.140, 6.1.64, 6.5.13 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-2023-52755 actively exploited?

CVE-2023-52755 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2023-52755

High

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offsets using allocation size.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-04-02

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

8.4

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2023-52755 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

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

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.140, 6.1.64, 6.5.13, 6.6.3, 6.7 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.140 5.15.x ✓ 6.1.64 6.1.x ✓ 6.5.13 6.5.x ✓ 6.6.3 6.6.x ✓ 6.7

References

5 total

Kernel Git
https://git.kernel.org/stable/c/09d9d8b40a3338193619c14ed4dc040f4f119e70

Patch
Kernel Git
https://git.kernel.org/stable/c/712e01f32e577e7e48ab0adb5fe550646a3d93cb

Patch
Kernel Git
https://git.kernel.org/stable/c/8387c94d73ec66eb597c7a23a8d9eadf64bfbafa

Patch
Kernel Git
https://git.kernel.org/stable/c/aaf0a07d60887d6c36fc46a24de0083744f07819

Patch
Kernel Git
https://git.kernel.org/stable/c/eebff19acaa35820cb09ce2ccb3d21bee2156ffb

Patch

Details

CVE ID CVE-2023-52755

Severity High

CVSS score 8.4 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-04-02

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52755?

CVE-2023-52755 is a High severity Linux kernel vulnerability with a CVSS score of 8.4 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.140, 6.1.64, 6.5.13 and others. CVE-2023-52755 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52755?

CVE-2023-52755 has a CVSS score of 8.4 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2023-52755?

Yes. CVE-2023-52755 has been patched. Fixed versions include 5.15.140, 6.1.64, 6.5.13 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-2023-52755 actively exploited?

No. CVE-2023-52755 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.