[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2022-48875":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":88,"related":89,"reserved_at":9,"published_at":99,"modified_at":100,"state":101,"summary":102,"references_raw":111,"kevs":130,"epss":131,"epss_history":134,"metrics":392,"affected":398},"CVE-2022-48875","In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: sdata can be NULL during AMPDU start\n\nieee80211_tx_ba_session_handle_start() may get NULL for sdata when a\ndeauthentication is ongoing.\n\nHere a trace triggering the race with the hostapd test\nmulti_ap_fronthaul_on_ap:\n\n(gdb) list *drv_ampdu_action+0x46\n0x8b16 is in drv_ampdu_action (net/mac80211/driver-ops.c:396).\n391             int ret = -EOPNOTSUPP;\n392\n393             might_sleep();\n394\n395             sdata = get_bss_sdata(sdata);\n396             if (!check_sdata_in_driver(sdata))\n397                     return -EIO;\n398\n399             trace_drv_ampdu_action(local, sdata, params);\n400\n\nwlan0: moving STA 02:00:00:00:03:00 to state 3\nwlan0: associated\nwlan0: deauthenticating from 02:00:00:00:03:00 by local choice (Reason: 3=DEAUTH_LEAVING)\nwlan3.sta1: Open BA session requested for 02:00:00:00:00:00 tid 0\nwlan3.sta1: dropped frame to 02:00:00:00:00:00 (unauthorized port)\nwlan0: moving STA 02:00:00:00:03:00 to state 2\nwlan0: moving STA 02:00:00:00:03:00 to state 1\nwlan0: Removed STA 02:00:00:00:03:00\nwlan0: Destroyed STA 02:00:00:00:03:00\nBUG: unable to handle page fault for address: fffffffffffffb48\nPGD 11814067 P4D 11814067 PUD 11816067 PMD 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 2 PID: 133397 Comm: kworker/u16:1 Tainted: G        W          6.1.0-rc8-wt+ #59\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.0-20220807_005459-localhost 04/01/2014\nWorkqueue: phy3 ieee80211_ba_session_work [mac80211]\nRIP: 0010:drv_ampdu_action+0x46/0x280 [mac80211]\nCode: 53 48 89 f3 be 89 01 00 00 e8 d6 43 bf ef e8 21 46 81 f0 83 bb a0 1b 00 00 04 75 0e 48 8b 9b 28 0d 00 00 48 81 eb 10 0e 00 00 \u003C8b> 93 58 09 00 00 f6 c2 20 0f 84 3b 01 00 00 8b 05 dd 1c 0f 00 85\nRSP: 0018:ffffc900025ebd20 EFLAGS: 00010287\nRAX: 0000000000000000 RBX: fffffffffffff1f0 RCX: ffff888102228240\nRDX: 0000000080000000 RSI: ffffffff918c5de0 RDI: ffff888102228b40\nRBP: ffffc900025ebd40 R08: 0000000000000001 R09: 0000000000000001\nR10: 0000000000000001 R11: 0000000000000000 R12: ffff888118c18ec0\nR13: 0000000000000000 R14: ffffc900025ebd60 R15: ffff888018b7efb8\nFS:  0000000000000000(0000) GS:ffff88817a600000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: fffffffffffffb48 CR3: 0000000105228006 CR4: 0000000000170ee0\nCall Trace:\n \u003CTASK>\n ieee80211_tx_ba_session_handle_start+0xd0/0x190 [mac80211]\n 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