What is CVE-2023-52794?

CVE-2023-52794 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), affecting Linux kernel versions from 6.3 onward and patched in 6.5.13, 6.6.3 and 6.7. CVE-2023-52794 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2023-52794?

CVE-2023-52794 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-2023-52794?

Yes, CVE-2023-52794 has been patched. Fixed versions include 6.5.13, 6.6.3 and 6.7. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2023-52794 actively exploited?

CVE-2023-52794 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-2023-52794

High

In the Linux kernel, the following vulnerability has been resolved: thermal: intel: powerclamp: fix mismatch in get function for max_idle KASAN reported this [ 444.853098] BUG: KASAN: global-out-of-bounds in param_get_int+0x77/0x90 [ 444.853111] Read of size 4 at addr ffffffffc16c9220 by task cat/2105 ... [ 444.853442] The buggy address belongs to the variable: [ 444.853443] max_idle+0x0/0xffffffffffffcde0 [intel_powerclamp] There is a mismatch between the param_get_int and the definition of max_idle. Replacing param_get_int with param_get_byte resolves this issue.

Package Linux Kernel

Published 2024-05-21

Last modified 2025-03-06

CVSS version 3.1

Patch available

Yes

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-2023-52794 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

Affected versions

Linux kernel versions 6.3 and later are affected. Fixed in 6.5.13, 6.6.3, 6.7 and their respective stable series.

Affected from

≥ 6.3

Fixed in

✓ 6.5.13 6.5.x ✓ 6.6.3 6.6.x ✓ 6.7

References

3 total

Kernel Git
https://git.kernel.org/stable/c/0a8585281b11e3a0723bba8d8085d61f0b55f37c

Patch
Kernel Git
https://git.kernel.org/stable/c/6a3866dbdcf39ac93e98708e6abced511733dc18

Patch
Kernel Git
https://git.kernel.org/stable/c/fae633cfb729da2771b5433f6b84ae7e8b4aa5f7

Patch

Details

CVE ID CVE-2023-52794

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2024-05-21

Modified 2025-03-06

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2023-52794?

CVE-2023-52794 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) . It affects Linux kernel versions from 6.3 onward and has been patched in 6.5.13, 6.6.3 and 6.7. CVE-2023-52794 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2023-52794?

CVE-2023-52794 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-2023-52794?

Yes. CVE-2023-52794 has been patched. Fixed versions include 6.5.13, 6.6.3 and 6.7. If you are running Linux kernel 6.3 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2023-52794 actively exploited?

No. CVE-2023-52794 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.