{"schema":"threatline.record/2","record":{"id":"CVE-2026-93260","aliases":[],"summary":"powerpc/xive: propagate IPI init errors to prevent use-after-free","details":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/xive: propagate IPI init errors to prevent use-after-free\n\nWhen xive_init_ipis() fails (e.g. irq_domain_alloc_irqs() fails),\nthe error path frees the global xive_ipis array.  However,\nxive_smp_probe() previously ignored this failure and proceeded to\ncall xive_setup_cpu_ipi(), which dereferences the already-freed\nxive_ipis pointer -- a use-after-free.\n\nNow that xive_smp_probe() returns int (previous patch), propagate\nthe error from xive_init_ipis() and xive_setup_cpu_ipi() through\nxive_smp_probe().  Check the return value in both pnv_smp_probe()\nand pSeries_smp_probe() so that IPI setup is aborted cleanly on\nfailure, avoiding the use-after-free.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93260","source_modified_at":"2026-10-21T12:52:31.712Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"243e25112d06b348f087a6f7aba4bbc288285bdd","lessThan":"e36b1c2eafcaaddefa70d55e6fda74cf6cda38af","status":"affected","versionType":"git"},{"version":"243e25112d06b348f087a6f7aba4bbc288285bdd","lessThan":"2ea6238343691309e68308131c7e80c3ae05afea","status":"affected","versionType":"git"},{"version":"243e25112d06b348f087a6f7aba4bbc288285bdd","lessThan":"5c9ab0c9cede9f149733d330e2d7d45341b71359","status":"affected","versionType":"git"},{"version":"243e25112d06b348f087a6f7aba4bbc288285bdd","lessThan":"c554a8d376d5aea1b237ed6bef6f9fbfc550e67f","status":"affected","versionType":"git"},{"version":"243e25112d06b348f087a6f7aba4bbc288285bdd","lessThan":"411a3c016e7a95f5fa105a0587e07d0647a77727","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93260","source_modified_at":"2026-10-21T12:52:31.712Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"4.12","status":"affected"},{"version":"0","lessThan":"4.12","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.114","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.57","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.6","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93260","source_modified_at":"2026-10-21T12:52:31.712Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"2ea6238343691309e68308131c7e80c3ae05afea","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93260","source_modified_at":"2026-10-21T12:52:31.712Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"5c9ab0c9cede9f149733d330e2d7d45341b71359","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93260","source_modified_at":"2026-10-21T12:52:31.712Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"411a3c016e7a95f5fa105a0587e07d0647a77727","basis":"first unaffected version stated in the CVE record"}],"cvss":7.4,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00144,"percentile":0.03376,"score_date":"2026-10-23"},"published_at":"2026-09-24T15:51:46.703Z","modified_at":"2026-10-21T12:52:31.712Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93260","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:52:31.712Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-93260","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/e36b1c2eafcaaddefa70d55e6fda74cf6cda38af"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/2ea6238343691309e68308131c7e80c3ae05afea"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/5c9ab0c9cede9f149733d330e2d7d45341b71359"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c554a8d376d5aea1b237ed6bef6f9fbfc550e67f"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/411a3c016e7a95f5fa105a0587e07d0647a77727"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T12:52:31.712Z","content_hash":"efe8d00c3ee0c656351ba2b9ab5c61e8d882fd0ff2b763c8c7388ac4c278823a"}}