What is CVE-2023-52494?

CVE-2023-52494 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2023-52494 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52494?

CVE-2023-52494 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-2023-52494?

No patch is currently available for CVE-2023-52494. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2023-52494 actively exploited?

CVE-2023-52494 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-2023-52494

High

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: Add alignment check for event ring read pointer Though we do check the event ring read pointer by "is_valid_ring_ptr" to make sure it is in the buffer range, but there is another risk the pointer may be not aligned. Since we are expecting event ring elements are 128 bits(struct mhi_ring_element) aligned, an unaligned read pointer could lead to multiple issues like DoS or ring buffer memory corruption. So add a alignment check for event ring read pointer.

Package Linux Kernel

Published 2024-03-11

Last modified 2025-02-14

CVSS version 3.1

Patch available

Awaiting data

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-787

CVE-2023-52494 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

References

The following references provide additional information about CVE-2023-52494 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/2df39ac8f813860f79782807c3f7acff40b3c551
Patch
Kernel patch commit
https://git.kernel.org/stable/c/94991728c84f8df54fd9eec9b85855ef9057ea08
Patch
Kernel patch commit
https://git.kernel.org/stable/c/a9ebfc405fe1be145f414eafadcbf09506082010
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2023-52494

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2024-03-11

Modified 2025-02-14

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2023-52494?

CVE-2023-52494 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2023-52494 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52494?

CVE-2023-52494 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-2023-52494?

No patch is currently available for CVE-2023-52494. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2023-52494 actively exploited?

No — CVE-2023-52494 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-787 on MITRE CWE →