{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50735","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-12-24T12:20:40.331Z","datePublished":"2025-12-24T12:22:54.004Z","dateUpdated":"2026-05-11T19:24:30.166Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:24:30.166Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: do not run mt76u_status_worker if the device is not running\n\nFix the following NULL pointer dereference avoiding to run\nmt76u_status_worker thread if the device is not running yet.\n\nKASAN: null-ptr-deref in range\n[0x0000000000000000-0x0000000000000007]\nCPU: 0 PID: 98 Comm: kworker/u2:2 Not tainted 5.14.0+ #78 Hardware\nname: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\nWorkqueue: mt76 mt76u_tx_status_data\nRIP: 0010:mt76x02_mac_fill_tx_status.isra.0+0x82c/0x9e0\nCode: c5 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 94 01 00 00\n48 b8 00 00 00 00 00 fc ff df 4d 8b 34 24 4c 89 f2 48 c1 ea 03 <0f>\nb6\n04 02 84 c0 74 08 3c 03 0f 8e 89 01 00 00 41 8b 16 41 0f b7\nRSP: 0018:ffffc900005af988 EFLAGS: 00010246\nRAX: dffffc0000000000 RBX: ffffc900005afae8 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: ffffffff832fc661 RDI: ffffc900005afc2a\nRBP: ffffc900005afae0 R08: 0000000000000001 R09: fffff520000b5f3c\nR10: 0000000000000003 R11: fffff520000b5f3b R12: ffff88810b6132d8\nR13: 000000000000ffff R14: 0000000000000000 R15: ffffc900005afc28\nFS:  0000000000000000(0000) GS:ffff88811aa00000(0000)\nknlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fa0eda6a000 CR3: 0000000118f17000 CR4: 0000000000750ef0\nPKRU: 55555554\nCall Trace:\n mt76x02_send_tx_status+0x1d2/0xeb0\n mt76x02_tx_status_data+0x8e/0xd0\n mt76u_tx_status_data+0xe1/0x240\n process_one_work+0x92b/0x1460\n worker_thread+0x95/0xe00\n kthread+0x3a1/0x480\n ret_from_fork+0x1f/0x30\nModules linked in:\n--[ end trace 8df5d20fc5040f65 ]--\nRIP: 0010:mt76x02_mac_fill_tx_status.isra.0+0x82c/0x9e0\nCode: c5 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 94 01 00 00\n48 b8 00 00 00 00 00 fc ff df 4d 8b 34 24 4c 89 f2 48 c1 ea 03 <0f>\nb6\n04 02 84 c0 74 08 3c 03 0f 8e 89 01 00 00 41 8b 16 41 0f b7\nRSP: 0018:ffffc900005af988 EFLAGS: 00010246\nRAX: dffffc0000000000 RBX: ffffc900005afae8 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: ffffffff832fc661 RDI: ffffc900005afc2a\nRBP: ffffc900005afae0 R08: 0000000000000001 R09: fffff520000b5f3c\nR10: 0000000000000003 R11: fffff520000b5f3b R12: ffff88810b6132d8\nR13: 000000000000ffff R14: 0000000000000000 R15: ffffc900005afc28\nFS:  0000000000000000(0000) GS:ffff88811aa00000(0000)\nknlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fa0eda6a000 CR3: 0000000118f17000 CR4: 0000000000750ef0\nPKRU: 55555554\n\nMoreover move stat_work schedule out of the for loop."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/usb.c"],"versions":[{"version":"9daf27e62852d68c6ffc2c21090238ea51bb0a7f","lessThan":"69346de0eb956fb92949b9473de4647d9c34a54f","status":"affected","versionType":"git"},{"version":"9daf27e62852d68c6ffc2c21090238ea51bb0a7f","lessThan":"58fdd84a89b121b761dbfb8a196356e007376ca4","status":"affected","versionType":"git"},{"version":"9daf27e62852d68c6ffc2c21090238ea51bb0a7f","lessThan":"f5ac749a0b21beee55d87d0b05de36976b22dff9","status":"affected","versionType":"git"},{"version":"9daf27e62852d68c6ffc2c21090238ea51bb0a7f","lessThan":"bd5dac7ced5a7c9faa4dc468ac9560c3256df845","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/usb.c"],"versions":[{"version":"5.11","status":"affected"},{"version":"0","lessThan":"5.11","status":"unaffected","versionType":"semver"},{"version":"5.15.86","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.16","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1.2","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/69346de0eb956fb92949b9473de4647d9c34a54f"},{"url":"https://git.kernel.org/stable/c/58fdd84a89b121b761dbfb8a196356e007376ca4"},{"url":"https://git.kernel.org/stable/c/f5ac749a0b21beee55d87d0b05de36976b22dff9"},{"url":"https://git.kernel.org/stable/c/bd5dac7ced5a7c9faa4dc468ac9560c3256df845"}],"title":"wifi: mt76: do not run mt76u_status_worker if the device is not running","x_generator":{"engine":"bippy-1.2.0"}}}}