CVE-2022-50781: amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()
Vulnerability summary
CVE-2022-50781 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.8% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 24-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.21% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu117 products
- linux< 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.1.4-1
Linux1 product
- linux≥ d5bf26539494d16dfabbbea0854a47d202ea15c0, < 4d3dc0de9c46d9f73be6bac026e40b893e37ea21 | ≥ d5bf26539494d16dfabbbea0854a47d202ea15c0, < 85273b4a7076ed5328c8ace02234e4e7e10972d5 | ≥ d5bf26539494d16dfabbbea0854a47d202ea15c0, < f289a38df0da4cfe4b50d04b1b9c3bc646fecd57 | ≥ d5bf26539494d16dfabbbea0854a47d202ea15c0, < a03625ad11b50429930f4c491d6c97e70f2ba89a | ≥ d5bf26539494d16dfabbbea0854a47d202ea15c0, < 8084bd0a64e278314b733993f388d83a86aa1183 | ≥ d5bf26539494d16dfabbbea0854a47d202ea15c0, < d27252b5706e51188aed7647126e44dcf9e940c1 | 4.20
3 vendors · 119 products