{"id":"CVE-2026-31389","summary":"spi: fix use-after-free on controller registration failure","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nspi: fix use-after-free on controller registration failure\n\nMake sure to deregister from driver core also in the unlikely event that\nper-cpu statistics allocation fails during controller registration to\navoid use-after-free (of driver resources) and unclocked register\naccesses.","modified":"2026-06-04T09:14:24.661808381Z","published":"2026-04-03T15:15:55.068Z","related":["SUSE-SU-2026:21841-1","SUSE-SU-2026:21845-1","SUSE-SU-2026:21860-1","SUSE-SU-2026:21876-1","SUSE-SU-2026:21877-1","SUSE-SU-2026:21916-1","SUSE-SU-2026:21919-1","SUSE-SU-2026:2217-1","SUSE-SU-2026:2238-1","openSUSE-SU-2026:20826-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31389.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0e23f50086da7d0b183dfeac26021acfcdee086b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/23b51bad2eb8787aa74324cfccefb258515ae5ba"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6bbd385b30c7fb6c7ee0669e9ada91490938c051"},{"type":"WEB","url":"https://git.kernel.org/stable/c/80f3e8cd2b4ad355b2ad2024cf423f6d183404f7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8634e05b08ead636e926022f4a98416e13440df9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/afe27c1f43aa57530011f419be6ddf71306565d2"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31389.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-31389"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6598b91b5ac32bc756d7c3000a31f775d4ead1c4"},{"fixed":"0e23f50086da7d0b183dfeac26021acfcdee086b"},{"fixed":"6bbd385b30c7fb6c7ee0669e9ada91490938c051"},{"fixed":"afe27c1f43aa57530011f419be6ddf71306565d2"},{"fixed":"80f3e8cd2b4ad355b2ad2024cf423f6d183404f7"},{"fixed":"23b51bad2eb8787aa74324cfccefb258515ae5ba"},{"fixed":"8634e05b08ead636e926022f4a98416e13440df9"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31389.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.1.167"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.130"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.78"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.20"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31389.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}