CVE-2022-50781 (GCVE-0-2022-50781)
Vulnerability from cvelistv5 – Published: 2025-12-24 13:06 – Updated: 2025-12-24 13:06
VLAI?
Title
amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()
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.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | 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) |
|||||||
|
|||||||||
{
"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",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2022-50781\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-24T13:16:04.943\",\"lastModified\":\"2025-12-24T13:16:04.943\",\"vulnStatus\":\"Received\",\"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.\"}],\"metrics\":{},\"references\":[{\"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\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading…
Loading…
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.
Loading…
Loading…