CVE-2022-49387

MEDIUM EPSS 14.6%
Published Feb 26, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
14.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-190 Integer Overflow or Wraparound Numeric Error

Affected Products 2

VendorProductVersionRange
linuxlinux_kernel*≥5.17  –  <5.17.15
linuxlinux_kernel*≥5.18  –  <5.18.4

References 3

  • git.kernel.org https://git.kernel.org/stable/c/b95a47667d34e76c2c9013f8e3b1e5039a5a0b76
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e07b9fa0dc32b492de85528caaf9f0c605d8424f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ea2949df22a533cdf75e4583c00b1ce94cd5a83b
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/b95a47667d34e76c2c9013f8e3b1e5039a5a0b76
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e07b9fa0dc32b492de85528caaf9f0c605d8424f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ea2949df22a533cdf75e4583c00b1ce94cd5a83b
    Patch