{"id":"CVE-2026-98804","revision":"b73df688be0d47c4b01d5fb10f7bb842","records":[{"revision":"b73df688be0d47c4b01d5fb10f7bb842","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98804","aliases":[],"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":0,"publishedAt":"2026-10-18T15:48:51.062+00:00","modifiedAt":"2026-10-19T09:25:57.688+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/core/page_pool.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"fcc680a647ba77370480fe753664cc10d572b240\",\n                            \"lessThan\": \"f78d45d5f1ac4141a03f033141368671da4293e4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fcc680a647ba77370480fe753664cc10d572b240\",\n                            \"lessThan\": \"0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"fcc680a647ba77370480fe753664cc10d572b240\",\n                            \"lessThan\": \"bdea4980182e3badac74f04df6c07492b91c569e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"net/core/page_pool.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.14\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.14\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.56\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.10\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/f78d45d5f1ac4141a03f033141368671da4293e4","https://git.kernel.org/stable/c/0b105f4eb78e5ee39e5a74c47c9efd69b6ac849c","https://git.kernel.org/stable/c/bdea4980182e3badac74f04df6c07492b91c569e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98804","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98804","identifiers":["CVE-2026-98804"]},"retained":false,"historicalAffected":[]}],"coverage":[]}