{ "id": "CVE-2024-41005", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-07-12T13:15:21.310", "lastModified": "2024-07-12T13:15:21.310", "vulnStatus": "Received", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetpoll: Fix race condition in netpoll_owner_active\n\nKCSAN detected a race condition in netpoll:\n\n\tBUG: KCSAN: data-race in net_rx_action / netpoll_send_skb\n\twrite (marked) to 0xffff8881164168b0 of 4 bytes by interrupt on cpu 10:\n\tnet_rx_action (./include/linux/netpoll.h:90 net/core/dev.c:6712 net/core/dev.c:6822)\n\n\tread to 0xffff8881164168b0 of 4 bytes by task 1 on cpu 2:\n\tnetpoll_send_skb (net/core/netpoll.c:319 net/core/netpoll.c:345 net/core/netpoll.c:393)\n\tnetpoll_send_udp (net/core/netpoll.c:?)\n\n\tvalue changed: 0x0000000a -> 0xffffffff\n\nThis happens because netpoll_owner_active() needs to check if the\ncurrent CPU is the owner of the lock, touching napi->poll_owner\nnon atomically. The ->poll_owner field contains the current CPU holding\nthe lock.\n\nUse an atomic read to check if the poll owner is the current CPU." } ], "metrics": {}, "references": [ { "url": "https://git.kernel.org/stable/c/3f1a155950a1685ffd0fd7175b3f671da8771f3d", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/43c0ca793a18578a0f5b305dd77fcf7ed99f1265", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/96826b16ef9c6568d31a1f6ceaa266411a46e46c", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/a130e7da73ae93afdb4659842267eec734ffbd57", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/c2e6a872bde9912f1a7579639c5ca3adf1003916", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" }, { "url": "https://git.kernel.org/stable/c/efd29cd9c7b8369dfc7bcb34637e6bf1a188aa8e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67" } ] }