{"id":"CVE-2022-49123","state":"PUBLISHED","title":"ath11k: Fix frames flush failure caused by deadlock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nath11k: Fix frames flush failure caused by deadlock\n\nWe are seeing below warnings:\n\nkernel: [25393.301506] ath11k_pci 0000:01:00.0: failed to flush mgmt transmit queue 0\nkernel: [25398.421509] ath11k_pci 0000:01:00.0: failed to flush mgmt transmit queue 0\nkernel: [25398.421831] ath11k_pci 0000:01:00.0: dropping mgmt frame for vdev 0, is_started 0\n\nthis means ath11k fails to flush mgmt. frames because wmi_mgmt_tx_work\nhas no chance to run in 5 seconds.\n\nBy setting /proc/sys/kernel/hung_task_timeout_secs to 20 and increasing\nATH11K_FLUSH_TIMEOUT to 50 we get below warnings:\n\nkernel: [  120.763160] INFO: task wpa_supplicant:924 blocked for more than 20 seconds.\nkernel: [  120.763169]       Not tainted 5.10.90 #12\nkernel: [  120.763177] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\nkernel: [  120.763186] task:wpa_supplicant  state:D stack:    0 pid:  924 ppid:     1 flags:0x000043a0\nkernel: [  120.763201] Call Trace:\nkernel: [  120.763214]  __schedule+0x785/0x12fa\nkernel: [  120.763224]  ? lockdep_hardirqs_on_prepare+0xe2/0x1bb\nkernel: [  120.763242]  schedule+0x7e/0xa1\nkernel: [  120.763253]  schedule_timeout+0x98/0xfe\nkernel: [  120.763266]  ? run_local_timers+0x4a/0x4a\nkernel: [  120.763291]  ath11k_mac_flush_tx_complete+0x197/0x2b1 [ath11k 13c3a9bf37790f4ac8103b3decf7ab4008ac314a]\nkernel: [  120.763306]  ? init_wait_entry+0x2e/0x2e\nkernel: [  120.763343]  __ieee80211_flush_queues+0x167/0x21f [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763378]  __ieee80211_recalc_idle+0x105/0x125 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763411]  ieee80211_recalc_idle+0x14/0x27 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763441]  ieee80211_free_chanctx+0x77/0xa2 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763473]  __ieee80211_vif_release_channel+0x100/0x131 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763540]  ieee80211_vif_release_channel+0x66/0x81 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763572]  ieee80211_destroy_auth_data+0xa3/0xe6 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763612]  ieee80211_mgd_deauth+0x178/0x29b [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763654]  cfg80211_mlme_deauth+0x1a8/0x22c [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763697]  nl80211_deauthenticate+0xfa/0x123 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763715]  genl_rcv_msg+0x392/0x3c2\nkernel: [  120.763750]  ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763782]  ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763802]  ? genl_rcv+0x36/0x36\nkernel: [  120.763814]  netlink_rcv_skb+0x89/0xf7\nkernel: [  120.763829]  genl_rcv+0x28/0x36\nkernel: [  120.763840]  netlink_unicast+0x179/0x24b\nkernel: [  120.763854]  netlink_sendmsg+0x393/0x401\nkernel: [  120.763872]  sock_sendmsg+0x72/0x76\nkernel: [  120.763886]  ____sys_sendmsg+0x170/0x1e6\nkernel: [  120.763897]  ? copy_msghdr_from_user+0x7a/0xa2\nkernel: [  120.763914]  ___sys_sendmsg+0x95/0xd1\nkernel: [  120.763940]  __sys_sendmsg+0x85/0xbf\nkernel: [  120.763956]  do_syscall_64+0x43/0x55\nkernel: [  120.763966]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\nkernel: [  120.763977] RIP: 0033:0x79089f3fcc83\nkernel: [  120.763986] RSP: 002b:00007ffe604f0508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nkernel: [  120.763997] RAX: ffffffffffffffda RBX: 000059b40e987690 RCX: 000079089f3fcc83\nkernel: [  120.764006] RDX: 0000000000000000 RSI: 00007ffe604f0558 RDI: 0000000000000009\nkernel: [  120.764014] RBP: 00007ffe604f0540 R08: 0000000000000004 R09: 0000000000400000\nkernel: [  120.764023] R10: 00007ffe604f0638 R11: 0000000000000246 R12: 000059b40ea04980\nkernel: [  120.764032] R13: 00007ffe604\n---truncated---","publishedAt":"2025-02-26T01:55:02.697Z","updatedAt":"2026-08-12T23:57:50.181Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dddaa64d0af37275314a656bd8f8e941799e2d61","status":"affected","lessThan":"33e723dc054edfc94da90eecca3b72cb424ce4a3","versionType":"git"},{"version":"dddaa64d0af37275314a656bd8f8e941799e2d61","status":"affected","lessThan":"261b07519518bd14cb168b287b17e1d195f8d0c8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c"]}],"references":["https://git.kernel.org/stable/c/33e723dc054edfc94da90eecca3b72cb424ce4a3","https://git.kernel.org/stable/c/261b07519518bd14cb168b287b17e1d195f8d0c8"],"weaknesses":["CWE-667"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49123.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49123","state":"PUBLISHED","datePublished":"2025-02-26T01:55:02.697Z","dateUpdated":"2026-08-12T23:57:50.181Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.265Z"},"containers":{"cna":{"title":"ath11k: Fix frames flush failure caused by deadlock","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nath11k: Fix frames flush failure caused by deadlock\n\nWe are seeing below warnings:\n\nkernel: [25393.301506] ath11k_pci 0000:01:00.0: failed to flush mgmt transmit queue 0\nkernel: [25398.421509] ath11k_pci 0000:01:00.0: failed to flush mgmt transmit queue 0\nkernel: [25398.421831] ath11k_pci 0000:01:00.0: dropping mgmt frame for vdev 0, is_started 0\n\nthis means ath11k fails to flush mgmt. frames because wmi_mgmt_tx_work\nhas no chance to run in 5 seconds.\n\nBy setting /proc/sys/kernel/hung_task_timeout_secs to 20 and increasing\nATH11K_FLUSH_TIMEOUT to 50 we get below warnings:\n\nkernel: [  120.763160] INFO: task wpa_supplicant:924 blocked for more than 20 seconds.\nkernel: [  120.763169]       Not tainted 5.10.90 #12\nkernel: [  120.763177] \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\nkernel: [  120.763186] task:wpa_supplicant  state:D stack:    0 pid:  924 ppid:     1 flags:0x000043a0\nkernel: [  120.763201] Call Trace:\nkernel: [  120.763214]  __schedule+0x785/0x12fa\nkernel: [  120.763224]  ? lockdep_hardirqs_on_prepare+0xe2/0x1bb\nkernel: [  120.763242]  schedule+0x7e/0xa1\nkernel: [  120.763253]  schedule_timeout+0x98/0xfe\nkernel: [  120.763266]  ? run_local_timers+0x4a/0x4a\nkernel: [  120.763291]  ath11k_mac_flush_tx_complete+0x197/0x2b1 [ath11k 13c3a9bf37790f4ac8103b3decf7ab4008ac314a]\nkernel: [  120.763306]  ? init_wait_entry+0x2e/0x2e\nkernel: [  120.763343]  __ieee80211_flush_queues+0x167/0x21f [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763378]  __ieee80211_recalc_idle+0x105/0x125 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763411]  ieee80211_recalc_idle+0x14/0x27 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763441]  ieee80211_free_chanctx+0x77/0xa2 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763473]  __ieee80211_vif_release_channel+0x100/0x131 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763540]  ieee80211_vif_release_channel+0x66/0x81 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763572]  ieee80211_destroy_auth_data+0xa3/0xe6 [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763612]  ieee80211_mgd_deauth+0x178/0x29b [mac80211 335da900954f1c5ea7f1613d92088ce83342042c]\nkernel: [  120.763654]  cfg80211_mlme_deauth+0x1a8/0x22c [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763697]  nl80211_deauthenticate+0xfa/0x123 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763715]  genl_rcv_msg+0x392/0x3c2\nkernel: [  120.763750]  ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763782]  ? nl80211_associate+0x432/0x432 [cfg80211 8945aa5bc2af5f6972336665d8ad6f9c191ad5be]\nkernel: [  120.763802]  ? genl_rcv+0x36/0x36\nkernel: [  120.763814]  netlink_rcv_skb+0x89/0xf7\nkernel: [  120.763829]  genl_rcv+0x28/0x36\nkernel: [  120.763840]  netlink_unicast+0x179/0x24b\nkernel: [  120.763854]  netlink_sendmsg+0x393/0x401\nkernel: [  120.763872]  sock_sendmsg+0x72/0x76\nkernel: [  120.763886]  ____sys_sendmsg+0x170/0x1e6\nkernel: [  120.763897]  ? copy_msghdr_from_user+0x7a/0xa2\nkernel: [  120.763914]  ___sys_sendmsg+0x95/0xd1\nkernel: [  120.763940]  __sys_sendmsg+0x85/0xbf\nkernel: [  120.763956]  do_syscall_64+0x43/0x55\nkernel: [  120.763966]  entry_SYSCALL_64_after_hwframe+0x44/0xa9\nkernel: [  120.763977] RIP: 0033:0x79089f3fcc83\nkernel: [  120.763986] RSP: 002b:00007ffe604f0508 EFLAGS: 00000246 ORIG_RAX: 000000000000002e\nkernel: [  120.763997] RAX: ffffffffffffffda RBX: 000059b40e987690 RCX: 000079089f3fcc83\nkernel: [  120.764006] RDX: 0000000000000000 RSI: 00007ffe604f0558 RDI: 0000000000000009\nkernel: [  120.764014] RBP: 00007ffe604f0540 R08: 0000000000000004 R09: 0000000000400000\nkernel: [  120.764023] R10: 00007ffe604f0638 R11: 0000000000000246 R12: 000059b40ea04980\nkernel: [  120.764032] R13: 00007ffe604\n---truncated---"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"dddaa64d0af37275314a656bd8f8e941799e2d61","status":"affected","lessThan":"33e723dc054edfc94da90eecca3b72cb424ce4a3","versionType":"git"},{"version":"dddaa64d0af37275314a656bd8f8e941799e2d61","status":"affected","lessThan":"261b07519518bd14cb168b287b17e1d195f8d0c8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"5.17.3","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/33e723dc054edfc94da90eecca3b72cb424ce4a3"},{"url":"https://git.kernel.org/stable/c/261b07519518bd14cb168b287b17e1d195f8d0c8"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-12T23:57:50.181Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49123","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:48:35.704983Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-667","lang":"en","type":"CWE","description":"CWE-667 Improper Locking"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:57:03.659Z"}}]}}}