Vulnerability-Lookup

FKIE_CVE-2022-49841

Vulnerability from fkie_nvd - Published: 2025-05-01 15:16 - Updated: 2026-06-17 05:19

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: serial: imx: Add missing .thaw_noirq hook The following warning is seen with non-console UART instance when system hibernates. [ 37.371969] ------------[ cut here ]------------ [ 37.376599] uart3_root_clk already disabled [ 37.380810] WARNING: CPU: 0 PID: 296 at drivers/clk/clk.c:952 clk_core_disable+0xa4/0xb0 ... [ 37.506986] Call trace: [ 37.509432] clk_core_disable+0xa4/0xb0 [ 37.513270] clk_disable+0x34/0x50 [ 37.516672] imx_uart_thaw+0x38/0x5c [ 37.520250] platform_pm_thaw+0x30/0x6c [ 37.524089] dpm_run_callback.constprop.0+0x3c/0xd4 [ 37.528972] device_resume+0x7c/0x160 [ 37.532633] dpm_resume+0xe8/0x230 [ 37.536036] hibernation_snapshot+0x288/0x430 [ 37.540397] hibernate+0x10c/0x2e0 [ 37.543798] state_store+0xc4/0xd0 [ 37.547203] kobj_attr_store+0x1c/0x30 [ 37.550953] sysfs_kf_write+0x48/0x60 [ 37.554619] kernfs_fop_write_iter+0x118/0x1ac [ 37.559063] new_sync_write+0xe8/0x184 [ 37.562812] vfs_write+0x230/0x290 [ 37.566214] ksys_write+0x68/0xf4 [ 37.569529] __arm64_sys_write+0x20/0x2c [ 37.573452] invoke_syscall.constprop.0+0x50/0xf0 [ 37.578156] do_el0_svc+0x11c/0x150 [ 37.581648] el0_svc+0x30/0x140 [ 37.584792] el0t_64_sync_handler+0xe8/0xf0 [ 37.588976] el0t_64_sync+0x1a0/0x1a4 [ 37.592639] ---[ end trace 56e22eec54676d75 ]--- On hibernating, pm core calls into related hooks in sequence like: .freeze .freeze_noirq .thaw_noirq .thaw With .thaw_noirq hook being absent, the clock will be disabled in a unbalanced call which results the warning above. imx_uart_freeze() clk_prepare_enable() imx_uart_suspend_noirq() clk_disable() imx_uart_thaw clk_disable_unprepare() Adding the missing .thaw_noirq hook as imx_uart_resume_noirq() will have the call sequence corrected as below and thus fix the warning. imx_uart_freeze() clk_prepare_enable() imx_uart_suspend_noirq() clk_disable() imx_uart_resume_noirq() clk_enable() imx_uart_thaw clk_disable_unprepare()

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0a3160f4ffc70ee4bfa1521f698dace06e6091fd	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4561d8008a467cb05ac632a215391d6b787f40aa	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/476b09e07bd519ec7ba5941a6a6f9a02256dbb21	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ae22294e213a402a70fa1731538367d1b758ffe7	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e3f9d87d6f0732827c443bd1474df21c2fad704b	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e401312ca6e180ee1bd65f6a766e99dd40aa95e7	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1
linux	linux_kernel	6.1

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/imx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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              "status": "affected",
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              "versionType": "git"
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              "versionType": "git"
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            },
            {
              "lessThan": "e3f9d87d6f0732827c443bd1474df21c2fad704b",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/imx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.267",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.225",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.80",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0EB4A88B-8032-4846-8973-0666BAC089F0",
              "versionEndExcluding": "4.19.267",
              "versionStartIncluding": "4.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "94D21814-3051-4860-AB06-C7880A3D4933",
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            },
            {
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            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "64F9ADD1-3ADB-4D66-A00F-4A83010B05F0",
              "versionEndExcluding": "6.0.10",
              "versionStartIncluding": "5.16",
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            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*",
              "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*",
              "matchCriteriaId": "35B26BE4-43A6-4A36-A7F6-5B3F572D9186",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: imx: Add missing .thaw_noirq hook\n\nThe following warning is seen with non-console UART instance when\nsystem hibernates.\n\n[   37.371969] ------------[ cut here ]------------\n[   37.376599] uart3_root_clk already disabled\n[   37.380810] WARNING: CPU: 0 PID: 296 at drivers/clk/clk.c:952 clk_core_disable+0xa4/0xb0\n...\n[   37.506986] Call trace:\n[   37.509432]  clk_core_disable+0xa4/0xb0\n[   37.513270]  clk_disable+0x34/0x50\n[   37.516672]  imx_uart_thaw+0x38/0x5c\n[   37.520250]  platform_pm_thaw+0x30/0x6c\n[   37.524089]  dpm_run_callback.constprop.0+0x3c/0xd4\n[   37.528972]  device_resume+0x7c/0x160\n[   37.532633]  dpm_resume+0xe8/0x230\n[   37.536036]  hibernation_snapshot+0x288/0x430\n[   37.540397]  hibernate+0x10c/0x2e0\n[   37.543798]  state_store+0xc4/0xd0\n[   37.547203]  kobj_attr_store+0x1c/0x30\n[   37.550953]  sysfs_kf_write+0x48/0x60\n[   37.554619]  kernfs_fop_write_iter+0x118/0x1ac\n[   37.559063]  new_sync_write+0xe8/0x184\n[   37.562812]  vfs_write+0x230/0x290\n[   37.566214]  ksys_write+0x68/0xf4\n[   37.569529]  __arm64_sys_write+0x20/0x2c\n[   37.573452]  invoke_syscall.constprop.0+0x50/0xf0\n[   37.578156]  do_el0_svc+0x11c/0x150\n[   37.581648]  el0_svc+0x30/0x140\n[   37.584792]  el0t_64_sync_handler+0xe8/0xf0\n[   37.588976]  el0t_64_sync+0x1a0/0x1a4\n[   37.592639] ---[ end trace 56e22eec54676d75 ]---\n\nOn hibernating, pm core calls into related hooks in sequence like:\n\n    .freeze\n    .freeze_noirq\n    .thaw_noirq\n    .thaw\n\nWith .thaw_noirq hook being absent, the clock will be disabled in a\nunbalanced call which results the warning above.\n\n    imx_uart_freeze()\n        clk_prepare_enable()\n    imx_uart_suspend_noirq()\n        clk_disable()\n    imx_uart_thaw\n        clk_disable_unprepare()\n\nAdding the missing .thaw_noirq hook as imx_uart_resume_noirq() will have\nthe call sequence corrected as below and thus fix the warning.\n\n    imx_uart_freeze()\n        clk_prepare_enable()\n    imx_uart_suspend_noirq()\n        clk_disable()\n    imx_uart_resume_noirq()\n        clk_enable()\n    imx_uart_thaw\n        clk_disable_unprepare()"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: imx: Agregar el gancho .thaw_noirq faltante. La siguiente advertencia se ve con una instancia UART que no es de consola cuando el sistema hiberna. [ 37.371969] ------------[ cortar aqu\u00ed ]------------ [ 37.376599] uart3_root_clk ya est\u00e1 deshabilitado [ 37.380810] ADVERTENCIA: CPU: 0 PID: 296 en drivers/clk/clk.c:952 clk_core_disable+0xa4/0xb0 ... [ 37.506986] Rastreo de llamadas: [ 37.509432] clk_core_disable+0xa4/0xb0 [ 37.513270] clk_disable+0x34/0x50 [ 37.516672] imx_uart_thaw+0x38/0x5c [ 37.520250] platform_pm_thaw+0x30/0x6c [ 37.524089] dpm_run_callback.constprop.0+0x3c/0xd4 [ 37.528972] device_resume+0x7c/0x160 [ 37.532633] dpm_resume+0xe8/0x230 [ 37.536036] hibernation_snapshot+0x288/0x430 [ 37.540397] hibernate+0x10c/0x2e0 [ 37.543798] state_store+0xc4/0xd0 [ 37.547203] kobj_attr_store+0x1c/0x30 [ 37.550953] sysfs_kf_write+0x48/0x60 [ 37.554619] kernfs_fop_write_iter+0x118/0x1ac [ 37.559063] new_sync_write+0xe8/0x184 [ 37.562812] vfs_write+0x230/0x290 [ 37.566214] ksys_write+0x68/0xf4 [ 37.569529] __arm64_sys_write+0x20/0x2c [ 37.573452] invoke_syscall.constprop.0+0x50/0xf0 [ 37.578156] do_el0_svc+0x11c/0x150 [ 37.581648] el0_svc+0x30/0x140 [ 37.584792] el0t_64_sync_handler+0xe8/0xf0 [ 37.588976] el0t_64_sync+0x1a0/0x1a4 [ 37.592639] ---[ end trace 56e22eec54676d75 ] Al hibernar, el n\u00facleo pm llama a los ganchos relacionados en secuencia como: .freeze .freeze_noirq .thaw_noirq .thaw Si el gancho .thaw_noirq est\u00e1 ausente, el reloj se deshabilitar\u00e1 en una llamada desequilibrada que genera la advertencia anterior. imx_uart_freeze() clk_prepare_enable() imx_uart_suspend_noirq() clk_disable() imx_uart_thaw clk_disable_unprepare() Agregar el gancho .thaw_noirq faltante como imx_uart_resume_noirq() corregir\u00e1 la secuencia de llamada como se muestra a continuaci\u00f3n y, por lo tanto, solucionar\u00e1 la advertencia. imx_uart_freeze() clk_prepare_enable() imx_uart_suspend_noirq() clk_disable() imx_uart_resume_noirq() clk_enable() imx_uart_thaw clk_disable_unprepare()"
    }
  ],
  "id": "CVE-2022-49841",
  "lastModified": "2026-06-17T05:19:16.560",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-05-01T15:16:07.600",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0a3160f4ffc70ee4bfa1521f698dace06e6091fd"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4561d8008a467cb05ac632a215391d6b787f40aa"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/476b09e07bd519ec7ba5941a6a6f9a02256dbb21"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ae22294e213a402a70fa1731538367d1b758ffe7"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e3f9d87d6f0732827c443bd1474df21c2fad704b"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e401312ca6e180ee1bd65f6a766e99dd40aa95e7"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2022-49841 (GCVE-0-2022-49841)

Vulnerability from cvelistv5 – Published: 2025-05-01 14:09 – Updated: 2026-05-11 19:07

Title

serial: imx: Add missing .thaw_noirq hook

Summary

Severity

No CVSS data available.

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7056 records in the last 180 days details

References

6 references

URL	Tags
https://git.kernel.org/stable/c/e401312ca6e180ee1…
https://git.kernel.org/stable/c/476b09e07bd519ec7…
https://git.kernel.org/stable/c/0a3160f4ffc70ee4b…
https://git.kernel.org/stable/c/ae22294e213a402a7…
https://git.kernel.org/stable/c/e3f9d87d6f0732827…
https://git.kernel.org/stable/c/4561d8008a467cb05…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775 , < e401312ca6e180ee1bd65f6a766e99dd40aa95e7 (git) Affected: 09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775 , < 476b09e07bd519ec7ba5941a6a6f9a02256dbb21 (git) Affected: 09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775 , < 0a3160f4ffc70ee4bfa1521f698dace06e6091fd (git) Affected: 09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775 , < ae22294e213a402a70fa1731538367d1b758ffe7 (git) Affected: 09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775 , < e3f9d87d6f0732827c443bd1474df21c2fad704b (git) Affected: 09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775 , < 4561d8008a467cb05ac632a215391d6b787f40aa (git)
Linux	Linux	Affected: 4.16 Unaffected: 0 , < 4.16 (semver) Unaffected: 4.19.267 , ≤ 4.19.* (semver) Unaffected: 5.4.225 , ≤ 5.4.* (semver) Unaffected: 5.10.156 , ≤ 5.10.* (semver) Unaffected: 5.15.80 , ≤ 5.15.* (semver) Unaffected: 6.0.10 , ≤ 6.0.* (semver) Unaffected: 6.1 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/imx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e401312ca6e180ee1bd65f6a766e99dd40aa95e7",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            },
            {
              "lessThan": "476b09e07bd519ec7ba5941a6a6f9a02256dbb21",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            },
            {
              "lessThan": "0a3160f4ffc70ee4bfa1521f698dace06e6091fd",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            },
            {
              "lessThan": "ae22294e213a402a70fa1731538367d1b758ffe7",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            },
            {
              "lessThan": "e3f9d87d6f0732827c443bd1474df21c2fad704b",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            },
            {
              "lessThan": "4561d8008a467cb05ac632a215391d6b787f40aa",
              "status": "affected",
              "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/tty/serial/imx.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.16"
            },
            {
              "lessThan": "4.16",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.267",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.225",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.156",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.80",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "4.19.267",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.225",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.156",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.80",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.10",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1",
                  "versionStartIncluding": "4.16",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: imx: Add missing .thaw_noirq hook\n\nThe following warning is seen with non-console UART instance when\nsystem hibernates.\n\n[   37.371969] ------------[ cut here ]------------\n[   37.376599] uart3_root_clk already disabled\n[   37.380810] WARNING: CPU: 0 PID: 296 at drivers/clk/clk.c:952 clk_core_disable+0xa4/0xb0\n...\n[   37.506986] Call trace:\n[   37.509432]  clk_core_disable+0xa4/0xb0\n[   37.513270]  clk_disable+0x34/0x50\n[   37.516672]  imx_uart_thaw+0x38/0x5c\n[   37.520250]  platform_pm_thaw+0x30/0x6c\n[   37.524089]  dpm_run_callback.constprop.0+0x3c/0xd4\n[   37.528972]  device_resume+0x7c/0x160\n[   37.532633]  dpm_resume+0xe8/0x230\n[   37.536036]  hibernation_snapshot+0x288/0x430\n[   37.540397]  hibernate+0x10c/0x2e0\n[   37.543798]  state_store+0xc4/0xd0\n[   37.547203]  kobj_attr_store+0x1c/0x30\n[   37.550953]  sysfs_kf_write+0x48/0x60\n[   37.554619]  kernfs_fop_write_iter+0x118/0x1ac\n[   37.559063]  new_sync_write+0xe8/0x184\n[   37.562812]  vfs_write+0x230/0x290\n[   37.566214]  ksys_write+0x68/0xf4\n[   37.569529]  __arm64_sys_write+0x20/0x2c\n[   37.573452]  invoke_syscall.constprop.0+0x50/0xf0\n[   37.578156]  do_el0_svc+0x11c/0x150\n[   37.581648]  el0_svc+0x30/0x140\n[   37.584792]  el0t_64_sync_handler+0xe8/0xf0\n[   37.588976]  el0t_64_sync+0x1a0/0x1a4\n[   37.592639] ---[ end trace 56e22eec54676d75 ]---\n\nOn hibernating, pm core calls into related hooks in sequence like:\n\n    .freeze\n    .freeze_noirq\n    .thaw_noirq\n    .thaw\n\nWith .thaw_noirq hook being absent, the clock will be disabled in a\nunbalanced call which results the warning above.\n\n    imx_uart_freeze()\n        clk_prepare_enable()\n    imx_uart_suspend_noirq()\n        clk_disable()\n    imx_uart_thaw\n        clk_disable_unprepare()\n\nAdding the missing .thaw_noirq hook as imx_uart_resume_noirq() will have\nthe call sequence corrected as below and thus fix the warning.\n\n    imx_uart_freeze()\n        clk_prepare_enable()\n    imx_uart_suspend_noirq()\n        clk_disable()\n    imx_uart_resume_noirq()\n        clk_enable()\n    imx_uart_thaw\n        clk_disable_unprepare()"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T19:07:48.703Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/e401312ca6e180ee1bd65f6a766e99dd40aa95e7"
        },
        {
          "url": "https://git.kernel.org/stable/c/476b09e07bd519ec7ba5941a6a6f9a02256dbb21"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a3160f4ffc70ee4bfa1521f698dace06e6091fd"
        },
        {
          "url": "https://git.kernel.org/stable/c/ae22294e213a402a70fa1731538367d1b758ffe7"
        },
        {
          "url": "https://git.kernel.org/stable/c/e3f9d87d6f0732827c443bd1474df21c2fad704b"
        },
        {
          "url": "https://git.kernel.org/stable/c/4561d8008a467cb05ac632a215391d6b787f40aa"
        }
      ],
      "title": "serial: imx: Add missing .thaw_noirq hook",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49841",
    "datePublished": "2025-05-01T14:09:56.980Z",
    "dateReserved": "2025-05-01T14:05:17.229Z",
    "dateUpdated": "2026-05-11T19:07:48.703Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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