CVE-2022-50187

{"id": "CVE-2022-50187", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.0}]}, "published": "2025-06-18T11:15:49.267", "references": [{"url": "https://git.kernel.org/stable/c/307ce58270b3b50ca21cfcc910568429b06803f7", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a2c45f8c3d18269e641f0c7da2dde47ef8414034", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/abb7dc8fbb27c15dcc927df56190f3c5ede58bd5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d4ba1ff87b17e81686ada8f429300876f55f95ad", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/eaff3946a86fc63280a30158a4ae1e141449817c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "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"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ath11k: correcci\u00f3n de netdev open race. Aseg\u00farese de asignar los recursos necesarios antes de registrar el dispositivo. Esto evita que un open() de ejecuci\u00f3n active un BUG_ON() en mod_timer() cuando se llama ath11k_mac_op_start() antes de configurar mon_reap_timer. No observ\u00e9 este problema con next-20220310, pero s\u00ed lo encontr\u00e9 en cada sondeo con next-20220511. Quiz\u00e1s se produjo alg\u00fan cambio de sincronizaci\u00f3n entre ambos. Aqu\u00ed est\u00e1 el backtrace: [51.346947] \u00a1ERROR del kernel en kernel/time/timer.c:990! [ 51.346958] Error interno: Ups - ERROR: 0 [#1] PREEMPT SMP ... [ 51.578225] Rastreo de llamadas: [ 51.583293] __mod_timer+0x298/0x390 [ 51.589518] mod_timer+0x14/0x20 [ 51.595368] ath11k_mac_op_start+0x41c/0x4a0 [ath11k] [ 51.603165] drv_start+0x38/0x60 [mac80211] [ 51.610110] ieee80211_do_open+0x29c/0x7d0 [mac80211] [ 51.617945] ieee80211_open+0x60/0xb0 [mac80211] [ 51.625311] __dev_open+0x100/0x1c0 [ 51.631420] __dev_change_flags+0x194/0x210 [ 51.638214] dev_change_flags+0x24/0x70 [ 51.644646] do_setlink+0x228/0xdb0 [ 51.650723] __rtnl_newlink+0x460/0x830 [ 51.657162] rtnl_newlink+0x4c/0x80 [ 51.663229] rtnetlink_rcv_msg+0x124/0x390 [ 51.669917] netlink_rcv_skb+0x58/0x130 [ 51.676314] rtnetlink_rcv+0x18/0x30 [ 51.682460] netlink_unicast+0x250/0x310 [ 51.688960] netlink_sendmsg+0x19c/0x3e0 [ 51.695458] ____sys_sendmsg+0x220/0x290 [ 51.701938] ___sys_sendmsg+0x7c/0xc0 [ 51.708148] __sys_sendmsg+0x68/0xd0 [ 51.714254] __arm64_sys_sendmsg+0x28/0x40 [ 51.720900] invoke_syscall+0x48/0x120 Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3 "}], "lastModified": "2025-11-19T12:50:42.533", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7A63CD7D-4795-42C1-8049-B2C1470F1F16", "versionEndExcluding": "5.10.137", "versionStartIncluding": "5.6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "51861563-7F40-460F-82CD-2D3FBDAD6618", "versionEndExcluding": "5.15.61", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5B42E453-8837-49D0-A5EF-03F818A6DC11", "versionEndExcluding": "5.18.18", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1A2A5A5-4598-4D7E-BA07-4660398D6C8F", "versionEndExcluding": "5.19.2", "versionStartIncluding": "5.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}