CVE-2022-49460 (GCVE-0-2022-49460)

Vulnerability from cvelistv5 – Published: 2025-02-26 02:13 – Updated: 2026-05-11 19:00
VLAI
Title
PM / devfreq: rk3399_dmc: Disable edev on remove()
Summary
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: rk3399_dmc: Disable edev on remove() Otherwise we hit an unablanced enable-count when unbinding the DFI device: [ 1279.659119] ------------[ cut here ]------------ [ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c ... [ 1279.659352] Hardware name: Google Kevin (DT) [ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--) [ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c [ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28 ... [ 1279.659571] Call trace: [ 1279.659582] devfreq_event_remove_edev+0x84/0x8c [ 1279.659590] devm_devfreq_event_release+0x1c/0x28 [ 1279.659602] release_nodes+0x1cc/0x244 [ 1279.659611] devres_release_all+0x44/0x60 [ 1279.659621] device_release_driver_internal+0x11c/0x1ac [ 1279.659629] device_driver_detach+0x20/0x2c [ 1279.659641] unbind_store+0x7c/0xb0 [ 1279.659650] drv_attr_store+0x2c/0x40 [ 1279.659663] sysfs_kf_write+0x44/0x58 [ 1279.659672] kernfs_fop_write_iter+0xf4/0x190 [ 1279.659684] vfs_write+0x2b0/0x2e4 [ 1279.659693] ksys_write+0x80/0xec [ 1279.659701] __arm64_sys_write+0x24/0x30 [ 1279.659714] el0_svc_common+0xf0/0x1d8 [ 1279.659724] do_el0_svc_compat+0x28/0x3c [ 1279.659738] el0_svc_compat+0x10/0x1c [ 1279.659746] el0_sync_compat_handler+0xa8/0xcc [ 1279.659758] el0_sync_compat+0x188/0x1c0 [ 1279.659768] ---[ end trace cec200e5094155b4 ]---
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < 664736e2cc09e504ce58ec61164d029d1f2651bb (git)
Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < a0180e324a9a63de8f770da300477b48cb4a53f1 (git)
Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < 86b091b6894c449d2734de7aa7d79ccb33ffd97d (git)
Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < cb1be1d4be18fe286ba5a67d928598378fd7fbe5 (git)
Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < fb089b6f21de03a685dd31df3789bbb01c59f8e3 (git)
Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef (git)
Affected: 5a893e31a636cca3798af2db5aee8d3d144b1e1e , < 2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 4.19.247 , ≤ 4.19.* (semver)
Unaffected: 5.4.198 , ≤ 5.4.* (semver)
Unaffected: 5.10.121 , ≤ 5.10.* (semver)
Unaffected: 5.15.46 , ≤ 5.15.* (semver)
Unaffected: 5.17.14 , ≤ 5.17.* (semver)
Unaffected: 5.18.3 , ≤ 5.18.* (semver)
Unaffected: 5.19 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: rk3399_dmc: Disable edev on remove()\n\nOtherwise we hit an unablanced enable-count when unbinding the DFI\ndevice:\n\n[ 1279.659119] ------------[ cut here ]------------\n[ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c\n...\n[ 1279.659352] Hardware name: Google Kevin (DT)\n[ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--)\n[ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28\n...\n[ 1279.659571] Call trace:\n[ 1279.659582]  devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659590]  devm_devfreq_event_release+0x1c/0x28\n[ 1279.659602]  release_nodes+0x1cc/0x244\n[ 1279.659611]  devres_release_all+0x44/0x60\n[ 1279.659621]  device_release_driver_internal+0x11c/0x1ac\n[ 1279.659629]  device_driver_detach+0x20/0x2c\n[ 1279.659641]  unbind_store+0x7c/0xb0\n[ 1279.659650]  drv_attr_store+0x2c/0x40\n[ 1279.659663]  sysfs_kf_write+0x44/0x58\n[ 1279.659672]  kernfs_fop_write_iter+0xf4/0x190\n[ 1279.659684]  vfs_write+0x2b0/0x2e4\n[ 1279.659693]  ksys_write+0x80/0xec\n[ 1279.659701]  __arm64_sys_write+0x24/0x30\n[ 1279.659714]  el0_svc_common+0xf0/0x1d8\n[ 1279.659724]  do_el0_svc_compat+0x28/0x3c\n[ 1279.659738]  el0_svc_compat+0x10/0x1c\n[ 1279.659746]  el0_sync_compat_handler+0xa8/0xcc\n[ 1279.659758]  el0_sync_compat+0x188/0x1c0\n[ 1279.659768] ---[ end trace cec200e5094155b4 ]---"
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          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: PM/devfreq: rk3399_dmc: Deshabilitar edev en remove() De lo contrario, alcanzamos un recuento de habilitaciones no balanceado al desvincular el dispositivo DFI: [1279.659119] ------------[cortar aqu\u00ed]------------ [1279.659179] ADVERTENCIA: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c ... [ 1279.659352] Hardware name: Google Kevin (DT) [ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--) [ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c [ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28 ... [ 1279.659571] Call trace: [ 1279.659582] devfreq_event_remove_edev+0x84/0x8c [ 1279.659590] devm_devfreq_event_release+0x1c/0x28 [ 1279.659602] release_nodes+0x1cc/0x244 [ 1279.659611] devres_release_all+0x44/0x60 [ 1279.659621] device_release_driver_internal+0x11c/0x1ac [ 1279.659629] device_driver_detach+0x20/0x2c [ 1279.659641] unbind_store+0x7c/0xb0 [ 1279.659650] drv_attr_store+0x2c/0x40 [ 1279.659663] sysfs_kf_write+0x44/0x58 [ 1279.659672] kernfs_fop_write_iter+0xf4/0x190 [ 1279.659684] vfs_write+0x2b0/0x2e4 [ 1279.659693] ksys_write+0x80/0xec [ 1279.659701] __arm64_sys_write+0x24/0x30 [ 1279.659714] el0_svc_common+0xf0/0x1d8 [ 1279.659724] do_el0_svc_compat+0x28/0x3c [ 1279.659738] el0_svc_compat+0x10/0x1c [ 1279.659746] el0_sync_compat_handler+0xa8/0xcc [ 1279.659758] el0_sync_compat+0x188/0x1c0 [ 1279.659768] ---[ end trace cec200e5094155b4 ]--- "
          }
        ],
        "id": "CVE-2022-49460",
        "lastModified": "2026-06-17T05:18:06.897",
        "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": "2025-02-26T07:01:22.327",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/664736e2cc09e504ce58ec61164d029d1f2651bb"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/86b091b6894c449d2734de7aa7d79ccb33ffd97d"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a0180e324a9a63de8f770da300477b48cb4a53f1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/cb1be1d4be18fe286ba5a67d928598378fd7fbe5"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/fb089b6f21de03a685dd31df3789bbb01c59f8e3"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:37:40+00:00",
      "cve": "CVE-2022-49460",
      "id": "CVE-2022-49460",
      "initial_release_date": "2022-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: PM / devfreq: rk3399_dmc: Disable edev on remove()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-49460.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T01:31:07Z",
      "cve": "CVE-2022-49460",
      "id": "CVE-2022-49460",
      "initial_release_date": "2025-02-27T03:06:31Z",
      "product_status:known_affected": "469",
      "product_status:known_not_affected": "218",
      "product_status:recommended": "316",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-49460",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2022-49460.json",
      "version": "57"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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