{"id":"CVE-2024-47709","revision":null,"records":[{"revision":"c0b829ed3e53416b843322b7e7ccd0ab","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-47709","aliases":[],"title":"can: bcm: Clear bo->bcm_proc_read after remove_proc_entry().","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: bcm: Clear bo->bcm_proc_read after remove_proc_entry().\n\nsyzbot reported a warning in bcm_release(). [0]\n\nThe blamed change fixed another warning that is triggered when\nconnect() is issued again for a socket whose connect()ed device has\nbeen unregistered.\n\nHowever, if the socket is just close()d without the 2nd connect(), the\nremaining bo->bcm_proc_read triggers unnecessary remove_proc_entry()\nin bcm_release().\n\nLet's clear bo->bcm_proc_read after remove_proc_entry() in bcm_notify().\n\n[0]\nname '4986'\nWARNING: CPU: 0 PID: 5234 at fs/proc/generic.c:711 remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 0 UID: 0 PID: 5234 Comm: syz-executor606 Not tainted 6.11.0-rc5-syzkaller-00178-g5517ae241919 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024\nRIP: 0010:remove_proc_entry+0x2e7/0x5d0 fs/proc/generic.c:711\nCode: ff eb 05 e8 cb 1e 5e ff 48 8b 5c 24 10 48 c7 c7 e0 f7 aa 8e e8 2a 38 8e 09 90 48 c7 c7 60 3a 1b 8c 48 89 de e8 da 42 20 ff 90 <0f> 0b 90 90 48 8b 44 24 18 48 c7 44 24 40 0e 36 e0 45 49 c7 04 07\nRSP: 0018:ffffc9000345fa20 EFLAGS: 00010246\nRAX: 2a2d0aee2eb64600 RBX: ffff888032f1f548 RCX: ffff888029431e00\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffc9000345fb08 R08: ffffffff8155b2f2 R09: 1ffff1101710519a\nR10: dffffc0000000000 R11: ffffed101710519b R12: ffff888011d38640\nR13: 0000000000000004 R14: 0000000000000000 R15: dffffc0000000000\nFS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fcfb52722f0 CR3: 000000000e734000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \n bcm_release+0x250/0x880 net/can/bcm.c:1578\n __sock_release net/socket.c:659 [inline]\n sock_close+0xbc/0x240 net/socket.c:1421\n __fput+0x24a/0x8a0 fs/file_table.c:422\n task_work_run+0x24f/0x310 kernel/task_work.c:228\n exit_task_work include/linux/task_work.h:40 [inline]\n do_exit+0xa2f/0x27f0 kernel/exit.c:882\n do_group_exit+0x207/0x2c0 kernel/exit.c:1031\n __do_sys_exit_group kernel/exit.c:1042 [inline]\n __se_sys_exit_group kernel/exit.c:1040 [inline]\n __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1040\n x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0033:0x7fcfb51ee969\nCode: Unable to access opcode bytes at 0x7fcfb51ee93f.\nRSP: 002b:00007ffce0109ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7\nRAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcfb51ee969\nRDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001\nRBP: 00007fcfb526f3b0 R08: ffffffffffffffb8 R09: 0000555500000000\nR10: 0000555500000000 R11: 0000000000000246 R12: 00007fcfb526f3b0\nR13: 0000000000000000 R14: 00007fcfb5271ee0 R15: 00007fcfb51bf160\n ","state":0,"publishedAt":"2024-10-21T11:53:42.749+00:00","modifiedAt":"2026-10-15T00:52:15.5+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/can/bcm.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5c680022c4e28ba18ea500f3e29f0428271afa92\",\n \"lessThan\": \"f5059fae5ed518fc56494ce5bdd4f5360de4b3bc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"33ed4ba73caae39f34ab874ba79138badc2c65dd\",\n \"lessThan\": \"a833da8eec20b51af39643faa7067b25c8b20f3e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"aec92dbebdbec7567d9f56d7c9296a572b8fd849\",\n \"lessThan\": \"5cc00913c1fdcab861c4e65fa20d1f1e1bbbf977\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"10bfacbd5e8d821011d857bee73310457c9c989a\",\n \"lessThan\": \"9550baada4c8ef8cebefccc746384842820b4dff\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3b39dc2901aa7a679a5ca981a3de9f8d5658afe8\",\n \"lessThan\": \"7a145d6ec2124bdb94bd6fc436b342ff6ddf2b70\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4377b79323df62eb5d310354f19b4d130ff58d50\",\n \"lessThan\": \"c3d941cc734e0c8dc486c062926d5249070af5e4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"abb0a615569ec008e8a93d9f3ab2d5b418ea94d4\",\n \"lessThan\": \"770b463264426cc3c167b1d44efa85f6a526ce5b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"76fe372ccb81b0c89b6cd2fec26e2f38c958be85\",\n \"lessThan\": \"b02ed2f01240b226570b4a19b5041d61f5125784\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"76fe372ccb81b0c89b6cd2fec26e2f38c958be85\",\n \"lessThan\": \"94b0818fa63555a65f6ba107080659ea6bcca63e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4.19.322\",\n \"lessThan\": \"4.19.323\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.284\",\n \"lessThan\": \"5.4.285\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.226\",\n \"lessThan\": \"5.10.227\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.167\",\n \"lessThan\": \"5.15.168\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.110\",\n \"lessThan\": \"6.1.113\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.51\",\n \"lessThan\": \"6.6.54\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.10.10\",\n \"lessThan\": \"6.10.13\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\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/can/bcm.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.11\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.11\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.323\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.285\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.227\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.168\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.113\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.54\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.10.13\",\n \"lessThanOrEqual\": \"6.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.11.2\",\n \"lessThanOrEqual\": \"6.11.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/f5059fae5ed518fc56494ce5bdd4f5360de4b3bc","https://git.kernel.org/stable/c/a833da8eec20b51af39643faa7067b25c8b20f3e","https://git.kernel.org/stable/c/5cc00913c1fdcab861c4e65fa20d1f1e1bbbf977","https://git.kernel.org/stable/c/9550baada4c8ef8cebefccc746384842820b4dff","https://git.kernel.org/stable/c/7a145d6ec2124bdb94bd6fc436b342ff6ddf2b70","https://git.kernel.org/stable/c/c3d941cc734e0c8dc486c062926d5249070af5e4","https://git.kernel.org/stable/c/770b463264426cc3c167b1d44efa85f6a526ce5b","https://git.kernel.org/stable/c/b02ed2f01240b226570b4a19b5041d61f5125784","https://git.kernel.org/stable/c/94b0818fa63555a65f6ba107080659ea6bcca63e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-47709","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-47709","identifiers":["CVE-2024-47709"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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