Unrated severityNVD Advisory· Published Sep 16, 2026
CVE-2026-89992
CVE-2026-89992
Description
In the Linux kernel, the following vulnerability has been resolved:
cpuidle: dt_idle_genpd: kfree() the original name allocation
dt_idle_pd_alloc() kasprintf()s the full node path, then points pd->name at kbasename() of that string. dt_idle_pd_free() kfree()s pd->name, which is no longer the start of the allocation.
Copy the basename instead.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
6- git.kernel.org/stable/c/09d002c8fb0261d35ce9d8a705de5db034ee90b8nvd
- git.kernel.org/stable/c/1312ae33b91430ec99e69cd3d47f0e50a4ebf54bnvd
- git.kernel.org/stable/c/2b0ac85512b7f67479127b2713254490662eb13dnvd
- git.kernel.org/stable/c/3394c7ba23336bdb7ece29127130fd01731d42d8nvd
- git.kernel.org/stable/c/a38caa9ed0d5c61c17d88393b14b292199289c1fnvd
- git.kernel.org/stable/c/b519dfce1998c323e54a56f911cf708d9ba0e076nvd
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