Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2022-49387

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
26/02/2025
Last modified:
17/04/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> watchdog: rzg2l_wdt: Fix 32bit overflow issue<br /> <br /> The value of timer_cycle_us can be 0 due to 32bit overflow.<br /> For eg:- If we assign the counter value "0xfff" for computing<br /> maxval.<br /> <br /> This patch fixes this issue by appending ULL to 1024, so that<br /> it is promoted to 64bit.<br /> <br /> This patch also fixes the warning message, &amp;#39;watchdog: Invalid min and<br /> max timeout values, resetting to 0!&amp;#39;.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.17 (including) 5.17.15 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.18 (including) 5.18.4 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools