CVE-2022-49387 watchdog: rzg2l_wdt: Fix 32bit overflow issue

🗓️ 26 Feb 2025 02:11:21Reported by LinuxType

Fixed 32bit overflow in rzg2l_wdt timer_cycle_us; promotes value to 64bit to resolve issue.

Reporter	Title	Published	Views	Family All 15
AstraLinux	Astra Linux - уязвимость в linux-5.10	20 May 202605:53	–	astralinux
CNNVD	Linux kernel 安全漏洞	26 Feb 202500:00	–	cnnvd
CVE	CVE-2022-49387	26 Feb 202502:11	–	cve
Debian CVE	CVE-2022-49387	26 Feb 202502:11	–	debiancve
EUVD	EUVD-2022-54842	3 Oct 202520:07	–	euvd
NVD	CVE-2022-49387	26 Feb 202507:01	–	nvd
OSV	CVE-2022-49387 watchdog: rzg2l_wdt: Fix 32bit overflow issue	26 Feb 202502:11	–	osv
OSV	DEBIAN-CVE-2022-49387	26 Feb 202507:01	–	osv
OSV	UBUNTU-CVE-2022-49387	26 Feb 202507:01	–	osv
Positive Technologies	PT-2025-8321 · Linux +1 · Linux Kernel +1	26 Feb 202500:00	–	ptsecurity

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/watchdog/rzg2l_wdt.c"
    ],
    "versions": [
      {
        "version": "2cbc5cd0b55fa2310cc557c77b0665f5e00272de",
        "lessThan": "e07b9fa0dc32b492de85528caaf9f0c605d8424f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2cbc5cd0b55fa2310cc557c77b0665f5e00272de",
        "lessThan": "b95a47667d34e76c2c9013f8e3b1e5039a5a0b76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2cbc5cd0b55fa2310cc557c77b0665f5e00272de",
        "lessThan": "ea2949df22a533cdf75e4583c00b1ce94cd5a83b",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/watchdog/rzg2l_wdt.c"
    ],
    "versions": [
      {
        "version": "5.17",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.17",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.15",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18.4",
        "lessThanOrEqual": "5.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.19",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/b95a47667d34e76c2c9013f8e3b1e5039a5a0b76
git	www.git.kernel.org/stable/c/ea2949df22a533cdf75e4583c00b1ce94cd5a83b
git	www.git.kernel.org/stable/c/e07b9fa0dc32b492de85528caaf9f0c605d8424f

11 May 2026 18:58Current

EPSS0.00143