{"cve":"CVE-2022-50187","nvd":{"published":"2025-06-18T11:15:49.267","modified":"2026-06-17T05:22:56.170","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nath11k: fix netdev open race\n\nMake sure to allocate resources needed before registering the device.\n\nThis specifically avoids having a racing open() trigger a BUG_ON() in\nmod_timer() when ath11k_mac_op_start() is called before the\nmon_reap_timer as been set up.\n\nI did not see this issue with next-20220310, but I hit it on every probe\nwith next-20220511. Perhaps some timing changed in between.\n\nHere's the backtrace:\n\n[   51.346947] kernel BUG at kernel/time/timer.c:990!\n[   51.346958] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP\n...\n[   51.578225] Call trace:\n[   51.583293]  __mod_timer+0x298/0x390\n[   51.589518]  mod_timer+0x14/0x20\n[   51.595368]  ath11k_mac_op_start+0x41c/0x4a0 [ath11k]\n[   51.603165]  drv_start+0x38/0x60 [mac80211]\n[   51.610110]  ieee80211_do_open+0x29c/0x7d0 [mac80211]\n[   51.617945]  ieee80211_open+0x60/0xb0 [mac80211]\n[   51.625311]  __dev_open+0x100/0x1c0\n[   51.631420]  __dev_change_flags+0x194/0x210\n[   51.638214]  dev_change_flags+0x24/0x70\n[   51.644646]  do_setlink+0x228/0xdb0\n[   51.650723]  __rtnl_newlink+0x460/0x830\n[   51.657162]  rtnl_newlink+0x4c/0x80\n[   51.663229]  rtnetlink_rcv_msg+0x124/0x390\n[   51.669917]  netlink_rcv_skb+0x58/0x130\n[   51.676314]  rtnetlink_rcv+0x18/0x30\n[   51.682460]  netlink_unicast+0x250/0x310\n[   51.688960]  netlink_sendmsg+0x19c/0x3e0\n[   51.695458]  ____sys_sendmsg+0x220/0x290\n[   51.701938]  ___sys_sendmsg+0x7c/0xc0\n[   51.708148]  __sys_sendmsg+0x68/0xd0\n[   51.714254]  __arm64_sys_sendmsg+0x28/0x40\n[   51.720900]  invoke_syscall+0x48/0x120\n\nTested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/307ce58270b3b50ca21cfcc910568429b06803f7","https://git.kernel.org/stable/c/a2c45f8c3d18269e641f0c7da2dde47ef8414034","https://git.kernel.org/stable/c/abb7dc8fbb27c15dcc927df56190f3c5ede58bd5","https://git.kernel.org/stable/c/d4ba1ff87b17e81686ada8f429300876f55f95ad","https://git.kernel.org/stable/c/eaff3946a86fc63280a30158a4ae1e141449817c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:03:23.287444849+00:00"},"epss":{"cve":"CVE-2022-50187","score":0.00165,"percentile":0.05672,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}