CVE-2023-52794

thermal: intel: powerclamp: fix mismatch in get function for max_idle

HIGH
7.1
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: June 17, 2026 at 06:43 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.3 ≤ v < 6.5.136.3 ≤ v < 6.6.36.3 ≤ v < 6.76.6 ≤ v < 6.6.36.3ebf519710218814cf827adbf9111af081344c969
Vendor states this is fixed in 0a8585281b11e3a0723bba8d8085d61f0b55f37c (fixed)
Vendor states this is fixed in 6a3866dbdcf39ac93e98708e6abced511733dc18 (fixed)
Vendor states this is fixed in fae633cfb729da2771b5433f6b84ae7e8b4aa5f7 (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.5.13 (unaffected)
Vendor states this is fixed in 6.6.3 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/0a8585281b11e3a0723bba8d8085d61f0b55f37c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6a3866dbdcf39ac93e98708e6abced511733dc18
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fae633cfb729da2771b5433f6b84ae7e8b4aa5f7

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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