fkie_nvd - fkie_cve-2022-50781

FKIE_CVE-2022-50781

Vulnerability from fkie_nvd - Published: 2025-12-24 13:16 - Updated: 2025-12-24 13:16

Severity ?

Summary

In the Linux kernel, the following vulnerability has been resolved: amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table() In the PP_OD_EDIT_VDDC_CURVE case the "input_index" variable is capped at 2 but not checked for negative values so it results in an out of bounds read. This value comes from the user via sysfs.

References

	URL	Tags
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4d3dc0de9c46d9f73be6bac026e40b893e37ea21
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8084bd0a64e278314b733993f388d83a86aa1183
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/85273b4a7076ed5328c8ace02234e4e7e10972d5
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a03625ad11b50429930f4c491d6c97e70f2ba89a
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d27252b5706e51188aed7647126e44dcf9e940c1
	416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/f289a38df0da4cfe4b50d04b1b9c3bc646fecd57

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\namdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()\n\nIn the PP_OD_EDIT_VDDC_CURVE case the \"input_index\" variable is capped at\n2 but not checked for negative values so it results in an out of bounds\nread.  This value comes from the user via sysfs."
    }
  ],
  "id": "CVE-2022-50781",
  "lastModified": "2025-12-24T13:16:04.943",
  "metrics": {},
  "published": "2025-12-24T13:16:04.943",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/4d3dc0de9c46d9f73be6bac026e40b893e37ea21"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/8084bd0a64e278314b733993f388d83a86aa1183"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/85273b4a7076ed5328c8ace02234e4e7e10972d5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/a03625ad11b50429930f4c491d6c97e70f2ba89a"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/d27252b5706e51188aed7647126e44dcf9e940c1"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "url": "https://git.kernel.org/stable/c/f289a38df0da4cfe4b50d04b1b9c3bc646fecd57"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Received"
}

CVE-2022-50781 (GCVE-0-2022-50781)

Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06

Title

amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()

Summary

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/4d3dc0de9c46d9f73…
	https://git.kernel.org/stable/c/85273b4a7076ed532…
	https://git.kernel.org/stable/c/f289a38df0da4cfe4…
	https://git.kernel.org/stable/c/a03625ad11b504299…
	https://git.kernel.org/stable/c/8084bd0a64e278314…
	https://git.kernel.org/stable/c/d27252b5706e51188…

Impacted products

Vendor

Product

Version

Linux

Affected: d5bf26539494d16dfabbbea0854a47d202ea15c0 , < 4d3dc0de9c46d9f73be6bac026e40b893e37ea21 (git)
Affected: d5bf26539494d16dfabbbea0854a47d202ea15c0 , < 85273b4a7076ed5328c8ace02234e4e7e10972d5 (git)
Affected: d5bf26539494d16dfabbbea0854a47d202ea15c0 , < f289a38df0da4cfe4b50d04b1b9c3bc646fecd57 (git)
Affected: d5bf26539494d16dfabbbea0854a47d202ea15c0 , < a03625ad11b50429930f4c491d6c97e70f2ba89a (git)
Affected: d5bf26539494d16dfabbbea0854a47d202ea15c0 , < 8084bd0a64e278314b733993f388d83a86aa1183 (git)
Affected: d5bf26539494d16dfabbbea0854a47d202ea15c0 , < d27252b5706e51188aed7647126e44dcf9e940c1 (git)

Linux

Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.229 , ≤ 5.4.* (semver)
Unaffected: 5.10.163 , ≤ 5.10.* (semver)
Unaffected: 5.15.86 , ≤ 5.15.* (semver)
Unaffected: 6.0.16 , ≤ 6.0.* (semver)
Unaffected: 6.1.2 , ≤ 6.1.* (semver)
Unaffected: 6.2 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "4d3dc0de9c46d9f73be6bac026e40b893e37ea21",
              "status": "affected",
              "version": "d5bf26539494d16dfabbbea0854a47d202ea15c0",
              "versionType": "git"
            },
            {
              "lessThan": "85273b4a7076ed5328c8ace02234e4e7e10972d5",
              "status": "affected",
              "version": "d5bf26539494d16dfabbbea0854a47d202ea15c0",
              "versionType": "git"
            },
            {
              "lessThan": "f289a38df0da4cfe4b50d04b1b9c3bc646fecd57",
              "status": "affected",
              "version": "d5bf26539494d16dfabbbea0854a47d202ea15c0",
              "versionType": "git"
            },
            {
              "lessThan": "a03625ad11b50429930f4c491d6c97e70f2ba89a",
              "status": "affected",
              "version": "d5bf26539494d16dfabbbea0854a47d202ea15c0",
              "versionType": "git"
            },
            {
              "lessThan": "8084bd0a64e278314b733993f388d83a86aa1183",
              "status": "affected",
              "version": "d5bf26539494d16dfabbbea0854a47d202ea15c0",
              "versionType": "git"
            },
            {
              "lessThan": "d27252b5706e51188aed7647126e44dcf9e940c1",
              "status": "affected",
              "version": "d5bf26539494d16dfabbbea0854a47d202ea15c0",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.20"
            },
            {
              "lessThan": "4.20",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.229",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.163",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.86",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.4.229",
                  "versionStartIncluding": "4.20",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.163",
                  "versionStartIncluding": "4.20",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.86",
                  "versionStartIncluding": "4.20",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0.16",
                  "versionStartIncluding": "4.20",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.2",
                  "versionStartIncluding": "4.20",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.2",
                  "versionStartIncluding": "4.20",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\namdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()\n\nIn the PP_OD_EDIT_VDDC_CURVE case the \"input_index\" variable is capped at\n2 but not checked for negative values so it results in an out of bounds\nread.  This value comes from the user via sysfs."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-24T13:06:09.238Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/4d3dc0de9c46d9f73be6bac026e40b893e37ea21"
        },
        {
          "url": "https://git.kernel.org/stable/c/85273b4a7076ed5328c8ace02234e4e7e10972d5"
        },
        {
          "url": "https://git.kernel.org/stable/c/f289a38df0da4cfe4b50d04b1b9c3bc646fecd57"
        },
        {
          "url": "https://git.kernel.org/stable/c/a03625ad11b50429930f4c491d6c97e70f2ba89a"
        },
        {
          "url": "https://git.kernel.org/stable/c/8084bd0a64e278314b733993f388d83a86aa1183"
        },
        {
          "url": "https://git.kernel.org/stable/c/d27252b5706e51188aed7647126e44dcf9e940c1"
        }
      ],
      "title": "amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50781",
    "datePublished": "2025-12-24T13:06:09.238Z",
    "dateReserved": "2025-12-24T13:02:21.548Z",
    "dateUpdated": "2025-12-24T13:06:09.238Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2022-50781

CVE-2022-50781 (GCVE-0-2022-50781)

Tags

Sightings

Nomenclature