Back
CVE-2026-93178drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup
- 7.1HighCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 94% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm/powerplay: bounds-check voltage index in SMU7 lookup vddInd and vddcInd fields from VBIOS-parsed tables are used to index into voltage lookup tables without a bounds check. Return -EINVAL when any index is out of range.
Timeline
ID reserved
By Linux
Published
- 32 days later
· 32 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
| NVDNVD · Received | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 94% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < 6f08c001fa6e8212930d694540ae8d9d6d3fb58a
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < ce0d8e72836c9d3710a160ad848b0f1d096075e3
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < 745297208d31222f916cc04da313cb737b997935
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < f925d317d84d401d642e537ea18ee12f67cb6983
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < 8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < 1664327ce797e09e387dc10cbbaa5b8d76558d2c
- affected c82baa28184356a75c0157129f88af42b2e7b695 – < 3a8a05477cda6c8293e2b629495b42981dcaba32
- affected 4.5
- unaffected < 4.5
- unaffected 5.10.270 – ≤ 5.10.*
- unaffected 5.15.221 – ≤ 5.15.*
- unaffected 6.1.188 – ≤ 6.1.*
- unaffected 6.6.157 – ≤ 6.6.*
- unaffected 6.12.110 – ≤ 6.12.*
- unaffected 6.18.52 – ≤ 6.18.*
- unaffected 7.2.6 – ≤ 7.2.*
- unaffected 7.3 – ≤ *
References
References8
- https://git.kernel.org/stable/c/d9ef085114d1e3c2c1f869c0bdb275a7b358ce8b (opens in a new tab)
- https://git.kernel.org/stable/c/6f08c001fa6e8212930d694540ae8d9d6d3fb58a (opens in a new tab)
- https://git.kernel.org/stable/c/ce0d8e72836c9d3710a160ad848b0f1d096075e3 (opens in a new tab)
- https://git.kernel.org/stable/c/745297208d31222f916cc04da313cb737b997935 (opens in a new tab)
- https://git.kernel.org/stable/c/f925d317d84d401d642e537ea18ee12f67cb6983 (opens in a new tab)
- https://git.kernel.org/stable/c/8a3db9f593b643904c6cc6d8a3f211c84ca6cf8a (opens in a new tab)
- https://git.kernel.org/stable/c/1664327ce797e09e387dc10cbbaa5b8d76558d2c (opens in a new tab)
- https://git.kernel.org/stable/c/3a8a05477cda6c8293e2b629495b42981dcaba32 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-82286 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-93178)Record last updated .