{"schema":"threatline.record/2","record":{"id":"CVE-2026-98804","aliases":[],"summary":"net: page_pool: fix use-after-free in page_pool_recycle_ring_bulk()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: page_pool: fix use-after-free in page_pool_recycle_ring_bulk()\n\nWith CONFIG_PAGE_POOL_STATS=y, page_pool_recycle_ring_bulk() updates\nthe recycle stats after dropping the producer lock. If it just recycled\nthe last inflight netmems of a pool being destroyed, page_pool_release()\ncan pass its producer-lock barrier and free the pool before\nrecycle_stat_add() runs.\n\nCommit fcc680a647ba7 (\"page_pool: allow mixing PPs within one bulk\")\nmoved this stat update after the unlock. Commit 271683bb2cf32\n(\"page_pool: Fix use-after-free in page_pool_recycle_in_ring\") later\nadded the barrier, but only fixed page_pool_recycle_in_ring(). Move\nthe update back under the lock.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98804","source_modified_at":"2026-10-19T09:25:57.688Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"fcc680a647ba77370480fe753664cc10d572b240","lessThan":"f78d45d5f1ac4141a03f033141368671da4293e4","status":"affected","versionType":"git"},{"version":"fcc680a647ba77370480fe753664cc10d572b240","lessThan":"0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c","status":"affected","versionType":"git"},{"version":"fcc680a647ba77370480fe753664cc10d572b240","lessThan":"bdea4980182e3badac74f04df6c07492b91c569e","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-98804","source_modified_at":"2026-10-19T09:25:57.688Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.14","status":"affected"},{"version":"0","lessThan":"6.14","status":"unaffected","versionType":"semver"},{"version":"6.18.56","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.10","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-2026-98804","source_modified_at":"2026-10-19T09:25:57.688Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00198,"percentile":0.09054,"score_date":"2026-10-23"},"published_at":"2026-10-18T15:48:51.062Z","modified_at":"2026-10-19T09:25:57.688Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-98804","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T09:25:57.688Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-98804","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/f78d45d5f1ac4141a03f033141368671da4293e4"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/bdea4980182e3badac74f04df6c07492b91c569e"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-19T09:25:57.688Z","content_hash":"ee62fa810716e9edd0e0247e30dd3751e68ea8bdd20bafe73547a74b5994f2bd"}}