{"api_version":"1","generated_at":"2026-10-29T04:49:12+00:00","cve":"CVE-2026-98804","urls":{"html":"https://cve.report/CVE-2026-98804","api":"https://cve.report/api/cve/CVE-2026-98804.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98804","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98804"},"summary":{"title":"net: page_pool: fix use-after-free in page_pool_recycle_ring_bulk()","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-18 16:17:34","updated_at":"2026-10-19 10:19:44"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/bdea4980182e3badac74f04df6c07492b91c569e","name":"https://git.kernel.org/stable/c/bdea4980182e3badac74f04df6c07492b91c569e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c","name":"https://git.kernel.org/stable/c/0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f78d45d5f1ac4141a03f033141368671da4293e4","name":"https://git.kernel.org/stable/c/f78d45d5f1ac4141a03f033141368671da4293e4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98804","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98804","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fcc680a647ba77370480fe753664cc10d572b240 f78d45d5f1ac4141a03f033141368671da4293e4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fcc680a647ba77370480fe753664cc10d572b240 0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fcc680a647ba77370480fe753664cc10d572b240 bdea4980182e3badac74f04df6c07492b91c569e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.14","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.14 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.56 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.10 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/page_pool.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f78d45d5f1ac4141a03f033141368671da4293e4","status":"affected","version":"fcc680a647ba77370480fe753664cc10d572b240","versionType":"git"},{"lessThan":"0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c","status":"affected","version":"fcc680a647ba77370480fe753664cc10d572b240","versionType":"git"},{"lessThan":"bdea4980182e3badac74f04df6c07492b91c569e","status":"affected","version":"fcc680a647ba77370480fe753664cc10d572b240","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/page_pool.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.14"},{"lessThan":"6.14","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.56","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.56","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.10","versionStartIncluding":"6.14","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.14","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-10-19T09:25:57.688Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f78d45d5f1ac4141a03f033141368671da4293e4"},{"url":"https://git.kernel.org/stable/c/0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c"},{"url":"https://git.kernel.org/stable/c/bdea4980182e3badac74f04df6c07492b91c569e"}],"title":"net: page_pool: fix use-after-free in page_pool_recycle_ring_bulk()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98804","datePublished":"2026-10-18T15:48:51.062Z","dateReserved":"2026-09-25T10:25:14.371Z","dateUpdated":"2026-10-19T09:25:57.688Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-18 16:17:34","lastModifiedDate":"2026-10-19 10:19:44","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98804","Ordinal":"1","Title":"net: page_pool: fix use-after-free in page_pool_recycle_ring_bul","CVE":"CVE-2026-98804","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98804","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"net: page_pool: fix use-after-free in page_pool_recycle_ring_bul"}]}}}