CVE-2026-97427
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.
Affected versions
Linux kernel versions
4.6
and later are affected. Fixed in
6.1.189,
6.6.158,
6.12.111,
6.18.53,
7.2
and their respective stable series.
References
5 totalFrequently asked questions
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What is CVE-2026-97427?
CVE-2026-97427 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.6 onward and has been patched in 6.1.189, 6.6.158, 6.12.111 and others. CVE-2026-97427 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-97427?
Yes. CVE-2026-97427 has been patched. Fixed versions include 6.1.189, 6.6.158, 6.12.111 and others. If you are running Linux kernel 4.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-97427 actively exploited?
No. CVE-2026-97427 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.