CVE-2026-81015High· 7.0▾ TwilightA flaw was found in the Linux kernel's AMD PMC (Power Management Controller) driver. When the `amd_stb_s2d_init()` function fails during the driver's initialization process, it can lead to unreleased resources, specifically the LPS0 s2idle…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 38.5 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
— → 4.4
none → medium
— → 4.4
none → medium
— → 7.8
none → high
Last analysed / modified upstream
7.8 → 4.4
high → medium
7.8 → 4.4
high → medium
4.4 → 7
medium → high
A flaw was found in the Linux kernel's AMD PMC (Power Management Controller) driver. When the amd_stb_s2d_init() function fails during the driver's initialization process, it can lead to unreleased resources, specifically the LPS0 s2idle handler and debugfs directory. This resource leak can corrupt internal lists, potentially causing a kernel crash and a denial of service if the module is reloaded. Additionally, stale registrations can lead to issues during subsequent system suspend-to-idle transitions.
kernel: platform/x86/amd/pmc: Fix LPS0 and debugfs leaks when STB init fails — rated Moderate by Red Hat. Released 2026-09-11, updated 2026-09-14.
Affected:
No fix planned:
Not affected:
Affected
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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