{"id":"CVE-2024-40912","revision":null,"records":[{"revision":"58a12fbedc594480ae1c0447054e9c32","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-40912","aliases":[],"title":"wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup()\n\nThe ieee80211_sta_ps_deliver_wakeup() function takes sta->ps_lock to\nsynchronizes with ieee80211_tx_h_unicast_ps_buf() which is called from\nsoftirq context. However using only spin_lock() to get sta->ps_lock in\nieee80211_sta_ps_deliver_wakeup() does not prevent softirq to execute\non this same CPU, to run ieee80211_tx_h_unicast_ps_buf() and try to\ntake this same lock ending in deadlock. Below is an example of rcu stall\nthat arises in such situation.\n\n rcu: INFO: rcu_sched self-detected stall on CPU\n rcu: 2-....: (42413413 ticks this GP) idle=b154/1/0x4000000000000000 softirq=1763/1765 fqs=21206996\n rcu: (t=42586894 jiffies g=2057 q=362405 ncpus=4)\n CPU: 2 PID: 719 Comm: wpa_supplicant Tainted: G W 6.4.0-02158-g1b062f552873 #742\n Hardware name: RPT (r1) (DT)\n pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : queued_spin_lock_slowpath+0x58/0x2d0\n lr : invoke_tx_handlers_early+0x5b4/0x5c0\n sp : ffff00001ef64660\n x29: ffff00001ef64660 x28: ffff000009bc1070 x27: ffff000009bc0ad8\n x26: ffff000009bc0900 x25: ffff00001ef647a8 x24: 0000000000000000\n x23: ffff000009bc0900 x22: ffff000009bc0900 x21: ffff00000ac0e000\n x20: ffff00000a279e00 x19: ffff00001ef646e8 x18: 0000000000000000\n x17: ffff800016468000 x16: ffff00001ef608c0 x15: 0010533c93f64f80\n x14: 0010395c9faa3946 x13: 0000000000000000 x12: 00000000fa83b2da\n x11: 000000012edeceea x10: ffff0000010fbe00 x9 : 0000000000895440\n x8 : 000000000010533c x7 : ffff00000ad8b740 x6 : ffff00000c350880\n x5 : 0000000000000007 x4 : 0000000000000001 x3 : 0000000000000000\n x2 : 0000000000000000 x1 : 0000000000000001 x0 : ffff00000ac0e0e8\n Call trace:\n queued_spin_lock_slowpath+0x58/0x2d0\n ieee80211_tx+0x80/0x12c\n ieee80211_tx_pending+0x110/0x278\n tasklet_action_common.constprop.0+0x10c/0x144\n tasklet_action+0x20/0x28\n _stext+0x11c/0x284\n ____do_softirq+0xc/0x14\n call_on_irq_stack+0x24/0x34\n do_softirq_own_stack+0x18/0x20\n do_softirq+0x74/0x7c\n __local_bh_enable_ip+0xa0/0xa4\n _ieee80211_wake_txqs+0x3b0/0x4b8\n __ieee80211_wake_queue+0x12c/0x168\n ieee80211_add_pending_skbs+0xec/0x138\n ieee80211_sta_ps_deliver_wakeup+0x2a4/0x480\n ieee80211_mps_sta_status_update.part.0+0xd8/0x11c\n ieee80211_mps_sta_status_update+0x18/0x24\n sta_apply_parameters+0x3bc/0x4c0\n ieee80211_change_station+0x1b8/0x2dc\n nl80211_set_station+0x444/0x49c\n genl_family_rcv_msg_doit.isra.0+0xa4/0xfc\n genl_rcv_msg+0x1b0/0x244\n netlink_rcv_skb+0x38/0x10c\n genl_rcv+0x34/0x48\n netlink_unicast+0x254/0x2bc\n netlink_sendmsg+0x190/0x3b4\n ____sys_sendmsg+0x1e8/0x218\n ___sys_sendmsg+0x68/0x8c\n __sys_sendmsg+0x44/0x84\n __arm64_sys_sendmsg+0x20/0x28\n do_el0_svc+0x6c/0xe8\n el0_svc+0x14/0x48\n el0t_64_sync_handler+0xb0/0xb4\n el0t_64_sync+0x14c/0x150\n\nUsing spin_lock_bh()/spin_unlock_bh() instead prevents softirq to raise\non the same CPU that is holding the lock.","state":0,"publishedAt":"2024-07-12T12:20:50.488+00:00","modifiedAt":"2026-10-15T00:45:08.725+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/mac80211/sta_info.c\"\n ],\n \"versions\": [\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"e51637e0c66a6f72d134d9f95daa47ea62b43c7e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"28ba44d680a30c51cf485a2f5a3b680e66ed3932\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"e7e916d693dcb5a297f40312600a82475f2e63bc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"d90bdff79f8e40adf889b5408bfcf521528b169f\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"9c49b58b9a2bed707e7638576e54c4bccd97b9eb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"456bbb8a31e425177dc0e8d4f98728a560c20e81\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"47d176755d5c0baf284eff039560f8c1ba0ea485\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"1d147bfa64293b2723c4fec50922168658e613ba\",\n \"lessThan\": \"44c06bbde6443de206b30f513100b5670b23fc5e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"ad64b463d919a18be70b281efb135231169caf4a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"46a5a5493360f995b834eb3b828eb59da4604509\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"a7ee1a84a81555b19ec3d02f104bfd70cf0b668a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"58d4310586466840dab77e56e53f4508853a5268\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"fcb6d3c79824d350893edfa7b50d6ba1f670c4ec\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3.2.56\",\n \"lessThan\": \"3.3\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.4.84\",\n \"lessThan\": \"3.5\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.10.34\",\n \"lessThan\": \"3.11\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.12.15\",\n \"lessThan\": \"3.13\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"3.13.7\",\n \"lessThan\": \"3.14\",\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/mac80211/sta_info.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.14\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.14\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.317\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.279\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.221\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.162\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.95\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.35\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.9.6\",\n \"lessThanOrEqual\": \"6.9.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.10\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/e51637e0c66a6f72d134d9f95daa47ea62b43c7e","https://git.kernel.org/stable/c/28ba44d680a30c51cf485a2f5a3b680e66ed3932","https://git.kernel.org/stable/c/e7e916d693dcb5a297f40312600a82475f2e63bc","https://git.kernel.org/stable/c/d90bdff79f8e40adf889b5408bfcf521528b169f","https://git.kernel.org/stable/c/9c49b58b9a2bed707e7638576e54c4bccd97b9eb","https://git.kernel.org/stable/c/456bbb8a31e425177dc0e8d4f98728a560c20e81","https://git.kernel.org/stable/c/47d176755d5c0baf284eff039560f8c1ba0ea485","https://git.kernel.org/stable/c/44c06bbde6443de206b30f513100b5670b23fc5e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-40912","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-40912","identifiers":["CVE-2024-40912"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-09T21:04:24.7578035+00:00","complete":true,"records":1773,"lastAttemptAt":"2026-11-09T21:04:24.7578035+00:00","lastSuccessAt":"2026-11-09T21:04:24.9268553+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:24.9268558+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-24e6fde7b744113daefb8f6135035fb8a5c69c9617c9c0d40574a0376532ffd3-053f9ef31f64a58e1cca81479dcc447749281d31bad8cf441e11bc47a86a0a95","complete":true,"records":421662,"lastAttemptAt":"2026-11-09T21:02:16.6599285+00:00","lastSuccessAt":"2026-11-09T21:02:16.5514646+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:02:16.6599285+00:00","snapshotPublishedAt":"2026-11-09T20:28:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-7af629522a354dedbd35a26a85212ad5","complete":false,"records":13661,"lastAttemptAt":"2026-11-09T21:05:04.576003+00:00","lastSuccessAt":"2026-11-09T21:05:04.654041+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:05:04.654041+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T21:04:24.7578035+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T21:04:24.7578035+00:00","lastSuccessAt":"2026-11-09T21:04:28.0976125+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:28.0976126+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-0bbee8bbb4ab420e9cc5a178c14c3d7c","complete":false,"records":13673,"lastAttemptAt":"2026-11-09T21:04:53.6647083+00:00","lastSuccessAt":"2026-11-09T21:04:53.656+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:53.656+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13704,"expectedIdentifiers":13714,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-f3867a42f9521b26d30bf45a82113d9245ec430c8ce8e24ac384524aacc94234","complete":true,"records":9916,"lastAttemptAt":"2026-11-09T21:04:24.6555906+00:00","lastSuccessAt":"2026-11-09T21:04:24.2243141+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:24.6555906+00:00","snapshotPublishedAt":"2026-11-09T21:03:14+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-26503967ae4379db8f374089589d6e03fb15bd31f820c9e992aaf93840c2236c","complete":true,"records":1971,"lastAttemptAt":"2026-11-09T21:02:20.5882227+00:00","lastSuccessAt":"2026-11-09T21:02:20.472473+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:02:20.5882227+00:00","snapshotPublishedAt":"2026-11-09T20:18:18+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-761ecc9061239b0da572dc9254c6f384c1d19339eb08408c436647a2f26129e9","complete":true,"records":3064,"lastAttemptAt":"2026-11-09T21:04:24.720759+00:00","lastSuccessAt":"2026-11-09T17:05:03.4044794+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:24.720759+00:00","snapshotPublishedAt":"2026-11-09T16:33:20+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-2e8b7295933e7bde85a0f6f5814c210f0d64871f05755388951863da683dd321","complete":true,"records":231324,"lastAttemptAt":"2026-11-09T21:04:14.5816688+00:00","lastSuccessAt":"2026-11-09T21:04:13.103121+00:00","error":null,"lastVerifiedAt":"2026-11-09T21:04:14.5816688+00:00","snapshotPublishedAt":"2026-11-09T20:48:07+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}