CVE-2023-53086

In the Linux kernel, the following vulnerability has been resolved:

wifi: mt76: connac: do not check WED status for non-mmio devices

WED is supported just for mmio devices, so do not check it for usb or sdio devices. This patch fixes the crash reported below:

[ 21.946627] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.525298] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.548274] wlp0s3u1i3: authenticate with c4:41:1e:f5:2b:1d [ 22.557694] wlp0s3u1i3: send auth to c4:41:1e:f5:2b:1d (try 1/3) [ 22.565885] wlp0s3u1i3: authenticated [ 22.569502] wlp0s3u1i3: associate with c4:41:1e:f5:2b:1d (try 1/3) [ 22.578966] wlp0s3u1i3: RX AssocResp from c4:41:1e:f5:2b:1d (capab=0x11 status=30 aid=3) [ 22.579113] wlp0s3u1i3: c4:41:1e:f5:2b:1d rejected association temporarily; comeback duration 1000 TU (1024 ms) [ 23.649518] wlp0s3u1i3: associate with c4:41:1e:f5:2b:1d (try 2/3) [ 23.752528] wlp0s3u1i3: RX AssocResp from c4:41:1e:f5:2b:1d (capab=0x11 status=0 aid=3) [ 23.797450] wlp0s3u1i3: associated [ 24.959527] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 24.959640] BUG: unable to handle page fault for address: ffff88800c223200 [ 24.959706] #PF: supervisor instruction fetch in kernel mode [ 24.959788] #PF: errorcode(0x0011) - permissions violation [ 24.959846] PGD 2c01067 P4D 2c01067 PUD 2c02067 PMD c2a8063 PTE 800000000c223163 [ 24.959957] Oops: 0011 [#1] PREEMPT SMP [ 24.960009] CPU: 0 PID: 391 Comm: wpasupplicant Not tainted 6.2.0-kvm #18 [ 24.960089] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.1-2.fc37 04/01/2014 [ 24.960191] RIP: 0010:0xffff88800c223200 [ 24.960446] RSP: 0018:ffffc90000ff7698 EFLAGS: 00010282 [ 24.960513] RAX: ffff888028397010 RBX: ffff88800c26e630 RCX: 0000000000000058 [ 24.960598] RDX: ffff88800c26f844 RSI: 0000000000000006 RDI: ffff888028397010 [ 24.960682] RBP: ffff88800ea72f00 R08: 18b873fbab2b964c R09: be06b38235f3c63c [ 24.960766] R10: 18b873fbab2b964c R11: be06b38235f3c63c R12: 0000000000000001 [ 24.960853] R13: ffff88800c26f84c R14: ffff8880063f0ff8 R15: ffff88800c26e644 [ 24.960950] FS: 00007effcea327c0(0000) GS:ffff88807dc00000(0000) knlGS:0000000000000000 [ 24.961036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.961106] CR2: ffff88800c223200 CR3: 000000000eaa2000 CR4: 00000000000006b0 [ 24.961190] Call Trace: [ 24.961219] <TASK> [ 24.961245] ? mt76connacmcuaddkey+0x2cf/0x310 [ 24.961313] ? mt7921setkey+0x150/0x200 [ 24.961365] ? drvsetkey+0xa9/0x1b0 [ 24.961418] ? ieee80211keyenablehwaccel+0xd9/0x240 [ 24.961485] ? ieee80211keyreplace+0x3f3/0x730 [ 24.961541] ? cryptoshashsetkey+0x89/0xd0 [ 24.961597] ? ieee80211keylink+0x2d7/0x3a0 [ 24.961664] ? cryptoaeadsetauthsize+0x31/0x50 [ 24.961730] ? stainfohashlookup+0xa6/0xf0 [ 24.961785] ? ieee80211addkey+0x1fc/0x250 [ 24.961842] ? rdevaddkey+0x41/0x140 [ 24.961882] ? nl80211parsekey+0x6c/0x2f0 [ 24.961940] ? nl80211newkey+0x24a/0x290 [ 24.961984] ? genlrcvmsg+0x36c/0x3a0 [ 24.962036] ? rdevmodlinkstation+0xe0/0xe0 [ 24.962102] ? nl80211setkey+0x410/0x410 [ 24.962143] ? nl80211predoit+0x200/0x200 [ 24.962187] ? genlbind+0xc0/0xc0 [ 24.962217] ? netlinkrcvskb+0xaa/0xd0 [ 24.962259] ? genlrcv+0x24/0x40 [ 24.962300] ? netlinkunicast+0x224/0x2f0 [ 24.962345] ? netlinksendmsg+0x30b/0x3d0 [ 24.962388] ? _syssendmsg+0x109/0x1b0 [ 24.962388] ? syssendmsg+0x109/0x1b0 [ 24.962440] ? importiovec+0x2e/0x110 [ 24.962482] ? syssendmsg+0xbe/0xe0 [ 24.962525] ? modobjcgstate+0x25c/0x330 [ 24.962576] ? _dentrykill+0x19e/0x1d0 [ 24.962618] ? callrcu+0x18f/0x270 [ 24.962660] ? _dentrykill+0x19e/0x1d0 [ 24.962702] ? _x64syssendmsg+0x70/0x90 [ 24.962744] ? dosyscall64+0x3d/0x80 [ 24.962796] ? exittousermodeprepare+0x1b/0x70 [ 24.962852] ? entry_SYSCA ---truncated---