{"id":"CVE-2026-89992","published":"2026-09-16T11:17:10.350","lastModified":"2026-09-16T15:18:22.920","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpuidle: dt_idle_genpd: kfree() the original name allocation\n\ndt_idle_pd_alloc() kasprintf()s the full node path, then points\npd->name at kbasename() of that string. dt_idle_pd_free() kfree()s\npd->name, which is no longer the start of the allocation.\n\nCopy the basename instead.","cvssScore":8.4,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/09d002c8fb0261d35ce9d8a705de5db034ee90b8","tags":[]},{"url":"https://git.kernel.org/stable/c/1312ae33b91430ec99e69cd3d47f0e50a4ebf54b","tags":[]},{"url":"https://git.kernel.org/stable/c/2b0ac85512b7f67479127b2713254490662eb13d","tags":[]},{"url":"https://git.kernel.org/stable/c/3394c7ba23336bdb7ece29127130fd01731d42d8","tags":[]},{"url":"https://git.kernel.org/stable/c/a38caa9ed0d5c61c17d88393b14b292199289c1f","tags":[]},{"url":"https://git.kernel.org/stable/c/b519dfce1998c323e54a56f911cf708d9ba0e076","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}