{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-11T07:37:55.783","vulnerabilities":[{"cve":{"id":"CVE-2023-54226","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-30T13:16:10.987","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\naf_unix: Fix data races around sk->sk_shutdown.\n\nKCSAN found a data race around sk->sk_shutdown where unix_release_sock()\nand unix_shutdown() update it under unix_state_lock(), OTOH unix_poll()\nand unix_dgram_poll() read it locklessly.\n\nWe need to annotate the writes and reads with WRITE_ONCE() and READ_ONCE().\n\nBUG: KCSAN: data-race in unix_poll / unix_release_sock\n\nwrite to 0xffff88800d0f8aec of 1 bytes by task 264 on cpu 0:\n unix_release_sock+0x75c/0x910 net/unix/af_unix.c:631\n unix_release+0x59/0x80 net/unix/af_unix.c:1042\n __sock_release+0x7d/0x170 net/socket.c:653\n sock_close+0x19/0x30 net/socket.c:1397\n __fput+0x179/0x5e0 fs/file_table.c:321\n ____fput+0x15/0x20 fs/file_table.c:349\n task_work_run+0x116/0x1a0 kernel/task_work.c:179\n resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]\n exit_to_user_mode_loop kernel/entry/common.c:171 [inline]\n exit_to_user_mode_prepare+0x174/0x180 kernel/entry/common.c:204\n __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]\n syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:297\n do_syscall_64+0x4b/0x90 arch/x86/entry/common.c:86\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nread to 0xffff88800d0f8aec of 1 bytes by task 222 on cpu 1:\n unix_poll+0xa3/0x2a0 net/unix/af_unix.c:3170\n sock_poll+0xcf/0x2b0 net/socket.c:1385\n vfs_poll include/linux/poll.h:88 [inline]\n ep_item_poll.isra.0+0x78/0xc0 fs/eventpoll.c:855\n ep_send_events fs/eventpoll.c:1694 [inline]\n ep_poll fs/eventpoll.c:1823 [inline]\n do_epoll_wait+0x6c4/0xea0 fs/eventpoll.c:2258\n __do_sys_epoll_wait fs/eventpoll.c:2270 [inline]\n __se_sys_epoll_wait fs/eventpoll.c:2265 [inline]\n __x64_sys_epoll_wait+0xcc/0x190 fs/eventpoll.c:2265\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x3b/0x90 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nvalue changed: 0x00 -> 0x03\n\nReported by Kernel Concurrency Sanitizer on:\nCPU: 1 PID: 222 Comm: dbus-broker Not tainted 6.3.0-rc7-02330-gca6270c12e20 #2\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014"}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/196528ad484443627779540697f4fb0ef0e01c52","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1c488f4e95b498c977fbeae784983eb4cf6085e8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8307e372e7445ec7d3cd2ff107ce5078eaa02815","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a41559ae3681975f1ced815d8d4c983b6b938499","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e1d09c2c2f5793474556b60f83900e088d0d366d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e410895892f99700ce54347d42c8dbe962eea9f4","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f237f79b63c9242450e6869adcd2c10445859f28","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}