{"id":"CVE-2022-50880","revision":null,"records":[{"revision":"82b0c898771f454a94d8a90b172ab11d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2022-50880","aliases":[],"title":"wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()\n\nWhen peer delete failed in a disconnect operation, use-after-free\ndetected by KFENCE in below log. It is because for each vdev_id and\naddress, it has only one struct ath10k_peer, it is allocated in\nath10k_peer_map_event(). When connected to an AP, it has more than\none HTT_T2H_MSG_TYPE_PEER_MAP reported from firmware, then the\narray peer_map of struct ath10k will be set muti-elements to the\nsame ath10k_peer in ath10k_peer_map_event(). When peer delete failed\nin ath10k_sta_state(), the ath10k_peer will be free for the 1st peer\nid in array peer_map of struct ath10k, and then use-after-free happened\nfor the 2nd peer id because they map to the same ath10k_peer.\n\nAnd clean up all peers in array peer_map for the ath10k_peer, then\nuser-after-free disappeared\n\npeer map event log:\n[ 306.911021] wlan0: authenticate with b0:2a:43:e6:75:0e\n[ 306.957187] ath10k_pci 0000:01:00.0: mac vdev 0 peer create b0:2a:43:e6:75:0e (new sta) sta 1 / 32 peer 1 / 33\n[ 306.957395] ath10k_pci 0000:01:00.0: htt peer map vdev 0 peer b0:2a:43:e6:75:0e id 246\n[ 306.957404] ath10k_pci 0000:01:00.0: htt peer map vdev 0 peer b0:2a:43:e6:75:0e id 198\n[ 306.986924] ath10k_pci 0000:01:00.0: htt peer map vdev 0 peer b0:2a:43:e6:75:0e id 166\n\npeer unmap event log:\n[ 435.715691] wlan0: deauthenticating from b0:2a:43:e6:75:0e by local choice (Reason: 3=DEAUTH_LEAVING)\n[ 435.716802] ath10k_pci 0000:01:00.0: mac vdev 0 peer delete b0:2a:43:e6:75:0e sta ffff990e0e9c2b50 (sta gone)\n[ 435.717177] ath10k_pci 0000:01:00.0: htt peer unmap vdev 0 peer b0:2a:43:e6:75:0e id 246\n[ 435.717186] ath10k_pci 0000:01:00.0: htt peer unmap vdev 0 peer b0:2a:43:e6:75:0e id 198\n[ 435.717193] ath10k_pci 0000:01:00.0: htt peer unmap vdev 0 peer b0:2a:43:e6:75:0e id 166\n\nuse-after-free log:\n[21705.888627] wlan0: deauthenticating from d0:76:8f:82:be:75 by local choice (Reason: 3=DEAUTH_LEAVING)\n[21713.799910] ath10k_pci 0000:01:00.0: failed to delete peer d0:76:8f:82:be:75 for vdev 0: -110\n[21713.799925] ath10k_pci 0000:01:00.0: found sta peer d0:76:8f:82:be:75 (ptr 0000000000000000 id 102) entry on vdev 0 after it was supposedly removed\n[21713.799968] ==================================================================\n[21713.799991] BUG: KFENCE: use-after-free read in ath10k_sta_state+0x265/0xb8a [ath10k_core]\n[21713.799991]\n[21713.799997] Use-after-free read at 0x00000000abe1c75e (in kfence-#69):\n[21713.800010] ath10k_sta_state+0x265/0xb8a [ath10k_core]\n[21713.800041] drv_sta_state+0x115/0x677 [mac80211]\n[21713.800059] __sta_info_destroy_part2+0xb1/0x133 [mac80211]\n[21713.800076] __sta_info_flush+0x11d/0x162 [mac80211]\n[21713.800093] ieee80211_set_disassoc+0x12d/0x2f4 [mac80211]\n[21713.800110] ieee80211_mgd_deauth+0x26c/0x29b [mac80211]\n[21713.800137] cfg80211_mlme_deauth+0x13f/0x1bb [cfg80211]\n[21713.800153] nl80211_deauthenticate+0xf8/0x121 [cfg80211]\n[21713.800161] genl_rcv_msg+0x38e/0x3be\n[21713.800166] netlink_rcv_skb+0x89/0xf7\n[21713.800171] genl_rcv+0x28/0x36\n[21713.800176] netlink_unicast+0x179/0x24b\n[21713.800181] netlink_sendmsg+0x3a0/0x40e\n[21713.800187] sock_sendmsg+0x72/0x76\n[21713.800192] ____sys_sendmsg+0x16d/0x1e3\n[21713.800196] ___sys_sendmsg+0x95/0xd1\n[21713.800200] __sys_sendmsg+0x85/0xbf\n[21713.800205] do_syscall_64+0x43/0x55\n[21713.800210] entry_SYSCALL_64_after_hwframe+0x44/0xa9\n[21713.800213]\n[21713.800219] kfence-#69: 0x000000009149b0d5-0x000000004c0697fb, size=1064, cache=kmalloc-2k\n[21713.800219]\n[21713.800224] allocated by task 13 on cpu 0 at 21705.501373s:\n[21713.800241] ath10k_peer_map_event+0x7e/0x154 [ath10k_core]\n[21713.800254] ath10k_htt_t2h_msg_handler+0x586/0x1039 [ath10k_core]\n[21713.800265] ath10k_htt_htc_t2h_msg_handler+0x12/0x28 [ath10k_core]\n[21713.800277] ath10k_htc_rx_completion_handler+0x14c/0x1b5 [ath10k_core]\n[21713.800283] ath10k_pci_process_rx_cb+0x195/0x1d\n---truncated---","state":0,"publishedAt":"2025-12-30T12:23:19.551+00:00","modifiedAt":"2026-10-15T21:41:24.432+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 \"drivers/net/wireless/ath/ath10k/mac.c\"\n ],\n \"versions\": [\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"15604ab67179ae27ea3c7fb24b6df32b143257c4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"2d6259715c9597a6cfa25db8911683eb0073b1c6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"f12fc305c127bd07bb50373e29c6037696f916a8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"4494ec1c0bb850eaa80fed98e5b041d961011d3e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"08faf07717be0c88b02b5aa45aad2225dfcdd2dc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"54a3201f3c1ff813523937da78b5fa7649dbab71\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"2bf916418d2141b810c40812433ab4ecfd3c2934\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"38245f2d62cd4d1f38a763a7b4045ab4565b30a0\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"d0eeafad118940fe445ca00f45be5624fea2ec34\",\n \"lessThan\": \"f020d9570a04df0762a2ac5c50cf1d8c511c9164\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\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 \"drivers/net/wireless/ath/ath10k/mac.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.8\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.8\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.9.331\",\n \"lessThanOrEqual\": \"4.9.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.14.296\",\n \"lessThanOrEqual\": \"4.14.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.262\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.220\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.150\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.75\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.19.17\",\n \"lessThanOrEqual\": \"5.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.0.3\",\n \"lessThanOrEqual\": \"6.0.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/15604ab67179ae27ea3c7fb24b6df32b143257c4","https://git.kernel.org/stable/c/2d6259715c9597a6cfa25db8911683eb0073b1c6","https://git.kernel.org/stable/c/f12fc305c127bd07bb50373e29c6037696f916a8","https://git.kernel.org/stable/c/4494ec1c0bb850eaa80fed98e5b041d961011d3e","https://git.kernel.org/stable/c/08faf07717be0c88b02b5aa45aad2225dfcdd2dc","https://git.kernel.org/stable/c/54a3201f3c1ff813523937da78b5fa7649dbab71","https://git.kernel.org/stable/c/2bf916418d2141b810c40812433ab4ecfd3c2934","https://git.kernel.org/stable/c/38245f2d62cd4d1f38a763a7b4045ab4565b30a0","https://git.kernel.org/stable/c/f020d9570a04df0762a2ac5c50cf1d8c511c9164"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-50880","license":"CVE Program Terms of Use","key":"cve-program:CVE-2022-50880","identifiers":["CVE-2022-50880"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-09T13:04:36.1502744+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-09T13:04:36.1502744+00:00","lastSuccessAt":"2026-11-09T13:04:36.3089681+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.3089715+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-bce548cb9713389d6cc2da20d64478978e569c118d9e3817d5449036d2c96da4","complete":true,"records":421424,"lastAttemptAt":"2026-11-09T13:02:24.4919458+00:00","lastSuccessAt":"2026-11-09T13:02:24.4462956+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:02:24.4919458+00:00","snapshotPublishedAt":"2026-11-09T12:31:22+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-897f1f8852214f7d97a85b009edb7d92","complete":false,"records":13655,"lastAttemptAt":"2026-11-09T13:16:47.5163098+00:00","lastSuccessAt":"2026-11-09T13:16:47.505+00:00","error":"7 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-09T13:16:47.505+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13700,"expectedIdentifiers":13707,"failedIdentifiers":7},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T13:04:36.1502744+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T13:04:36.1502744+00:00","lastSuccessAt":"2026-11-09T13:04:36.3096956+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.3096959+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-fec5a400f2004099a6ceb2e015ba7713","complete":true,"records":13667,"lastAttemptAt":"2026-11-09T13:04:37.3410735+00:00","lastSuccessAt":"2026-11-09T13:04:37.338+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:37.338+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13707,"expectedIdentifiers":13707,"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-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-09T13:04:36.0102403+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.0102403+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+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-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-09T13:02:24.6845928+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:02:24.6845928+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+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-c905fa1bd26c7b261e77cc7202a86dc766ff31c2b096b501f3bf44f561e34970","complete":true,"records":3063,"lastAttemptAt":"2026-11-09T13:04:36.1177843+00:00","lastSuccessAt":"2026-11-09T12:02:21.7931207+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.1177843+00:00","snapshotPublishedAt":"2026-11-09T11:18:00+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-3e30324623f4d042faeccbd22ff1ab0b99d8d436d702bf285b288cefe802b265","complete":true,"records":231298,"lastAttemptAt":"2026-11-09T13:04:35.8866798+00:00","lastSuccessAt":"2026-11-09T13:04:34.5744206+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:35.8866798+00:00","snapshotPublishedAt":"2026-11-09T12:33:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}