drm/amd/pm: bound pp_dpm_set_pp_table() memcpy
Summary
| CVE | CVE-2026-97427 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-24 17:17:20 UTC |
| Updated | 2026-10-03 11:17:54 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: bound pp_dpm_set_pp_table() memcpy The powerplay path allocates hardcode_pp_table once with kmemdup(..., soft_pp_table_size). memcpy(..., size) used the sysfs store count (up to PAGE_SIZE) with no upper bound, causing heap overflow. Reject writes where size exceeds soft_pp_table_size. |
Risk And Classification
EPSS: 0.001850000 probability, percentile 0.073570000 (date 2026-10-05)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a abe61d067b48b947bedc9bae3725cb8f48dc8c0a git | Not specified |
| CNA | Linux | Linux | affected b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a 9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9 git | Not specified |
| CNA | Linux | Linux | affected b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a 43d2ab8408f9f468b232350c74160ae21e763020 git | Not specified |
| CNA | Linux | Linux | affected b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a 3334985f8b4c7c637a829744c81518ad9a671bcb git | Not specified |
| CNA | Linux | Linux | affected b9c1a77e8cd73aa42c2736b6b0ffddda6230af1a f193e71fa9fab2e68ef85201b106e8f580d3a25b git | Not specified |
| CNA | Linux | Linux | affected 4.6 | Not specified |
| CNA | Linux | Linux | unaffected 4.6 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.189 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.158 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.111 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.53 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/43d2ab8408f9f468b232350c74160ae21e763020 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/f193e71fa9fab2e68ef85201b106e8f580d3a25b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/abe61d067b48b947bedc9bae3725cb8f48dc8c0a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9b5cb2e4eb297fe52be26fd895fc5ea28fc22bf9 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/3334985f8b4c7c637a829744c81518ad9a671bcb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.