{"id":"CVE-2024-56607","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-56607","generatedAt":"2026-10-28T05:01:26.300Z","title":"In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix atomic calls in ath12k_mac_op_set_bitrate_mask() When I try to manually set bitrates: iw wlan0 set bitrates legacy-2.4 1 I get sleeping from invalid context error, see…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: fix atomic calls in ath12k_mac_op_set_bitrate_mask()\n\nWhen I try to manually set bitrates:\n\niw wlan0 set bitrates legacy-2.4 1\n\nI get sleeping from invalid context error, see below. Fix that by switching to\nuse recently introduced ieee80211_iterate_stations_mtx().\n\nDo note that WCN6855 firmware is still crashing, I'm not sure if that firmware\neven supports bitrate WMI commands and should we consider disabling\nath12k_mac_op_set_bitrate_mask() for WCN6855? But that's for another patch.\n\nBUG: sleeping function called from invalid context at drivers/net/wireless/ath/ath12k/wmi.c:420\nin_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 2236, name: iw\npreempt_count: 0, expected: 0\nRCU nest depth: 1, expected: 0\n3 locks held by iw/2236:\n #0: ffffffffabc6f1d8 (cb_lock){++++}-{3:3}, at: genl_rcv+0x14/0x40\n #1: ffff888138410810 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: nl80211_pre_doit+0x54d/0x800 [cfg80211]\n #2: ffffffffab2cfaa0 (rcu_read_lock){....}-{1:2}, at: ieee80211_iterate_stations_atomic+0x2f/0x200 [mac80211]\nCPU: 3 UID: 0 PID: 2236 Comm: iw Not tainted 6.11.0-rc7-wt-ath+ #1772\nHardware name: Intel(R) Client Systems NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0067.2021.0528.1339 05/28/2021\nCall Trace:\n <TASK>\n dump_stack_lvl+0xa4/0xe0\n dump_stack+0x10/0x20\n __might_resched+0x363/0x5a0\n ? __alloc_skb+0x165/0x340\n __might_sleep+0xad/0x160\n ath12k_wmi_cmd_send+0xb1/0x3d0 [ath12k]\n ? ath12k_wmi_init_wcn7850+0xa40/0xa40 [ath12k]\n ? __netdev_alloc_skb+0x45/0x7b0\n ? __asan_memset+0x39/0x40\n ? ath12k_wmi_alloc_skb+0xf0/0x150 [ath12k]\n ? reacquire_held_locks+0x4d0/0x4d0\n ath12k_wmi_set_peer_param+0x340/0x5b0 [ath12k]\n ath12k_mac_disable_peer_fixed_rate+0xa3/0x110 [ath12k]\n ? ath12k_mac_vdev_stop+0x4f0/0x4f0 [ath12k]\n ieee80211_iterate_stations_atomic+0xd4/0x200 [mac80211]\n ath12k_mac_op_set_bitrate_mask+0x5d2/0x1080 [ath12k]\n ? ath12k_mac_vif_chan+0x320/0x320 [ath12k]\n drv_set_bitrate_mask+0x267/0x470 [mac80211]\n ieee80211_set_bitrate_mask+0x4cc/0x8a0 [mac80211]\n ? __this_cpu_preempt_check+0x13/0x20\n nl80211_set_tx_bitrate_mask+0x2bc/0x530 [cfg80211]\n ? nl80211_parse_tx_bitrate_mask+0x2320/0x2320 [cfg80211]\n ? trace_contention_end+0xef/0x140\n ? rtnl_unlock+0x9/0x10\n ? nl80211_pre_doit+0x557/0x800 [cfg80211]\n genl_family_rcv_msg_doit+0x1f0/0x2e0\n ? genl_family_rcv_msg_attrs_parse.isra.0+0x250/0x250\n ? ns_capable+0x57/0xd0\n genl_family_rcv_msg+0x34c/0x600\n ? genl_family_rcv_msg_dumpit+0x310/0x310\n ? __lock_acquire+0xc62/0x1de0\n ? he_set_mcs_mask.isra.0+0x8d0/0x8d0 [cfg80211]\n ? nl80211_parse_tx_bitrate_mask+0x2320/0x2320 [cfg80211]\n ? cfg80211_external_auth_request+0x690/0x690 [cfg80211]\n genl_rcv_msg+0xa0/0x130\n netlink_rcv_skb+0x14c/0x400\n ? genl_family_rcv_msg+0x600/0x600\n ? netlink_ack+0xd70/0xd70\n ? rwsem_optimistic_spin+0x4f0/0x4f0\n ? genl_rcv+0x14/0x40\n ? down_read_killable+0x580/0x580\n ? netlink_deliver_tap+0x13e/0x350\n ? __this_cpu_preempt_check+0x13/0x20\n genl_rcv+0x23/0x40\n netlink_unicast+0x45e/0x790\n ? netlink_attachskb+0x7f0/0x7f0\n netlink_sendmsg+0x7eb/0xdb0\n ? netlink_unicast+0x790/0x790\n ? __this_cpu_preempt_check+0x13/0x20\n ? selinux_socket_sendmsg+0x31/0x40\n ? netlink_unicast+0x790/0x790\n __sock_sendmsg+0xc9/0x160\n ____sys_sendmsg+0x620/0x990\n ? kernel_sendmsg+0x30/0x30\n ? __copy_msghdr+0x410/0x410\n ? __kasan_check_read+0x11/0x20\n ? mark_lock+0xe6/0x1470\n ___sys_sendmsg+0xe9/0x170\n ? copy_msghdr_from_user+0x120/0x120\n ? __lock_acquire+0xc62/0x1de0\n ? do_fault_around+0x2c6/0x4e0\n ? do_user_addr_fault+0x8c1/0xde0\n ? reacquire_held_locks+0x220/0x4d0\n ? do_user_addr_fault+0x8c1/0xde0\n ? __kasan_check_read+0x11/0x20\n ? __fdget+0x4e/0x1d0\n ? sockfd_lookup_light+0x1a/0x170\n __sys_sendmsg+0xd2/0x180\n ? __sys_sendmsg_sock+0x20/0x20\n ? reacquire_held_locks+0x4d0/0x4d0\n ? debug_smp_processor_id+0x17/0x20\n __x64_sys_sendmsg+0x72/0xb0\n ? lockdep_hardirqs_on+0x7d/0x100\n x64_sys_call+0x894/0x9f0\n do_syscall_64+0x64/0x130\n entry_SYSCALL_64_after_\n---truncated---","published":"2024-12-27T15:15:20.000Z","lastModified":"2026-06-17T08:12:32.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00218,"percentile":0.12197,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/2093f062b26805789b73f2af214691475d9baa29","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3ed6b2daa4e9029987885f86835ffbc003d11c01","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8fac3266c68a8e647240b8ac8d0b82f1821edf85","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-56607","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}