{"id":"DEBIAN-CVE-2022-50714","details":"In the Linux kernel, the following vulnerability has been resolved:  wifi: mt76: mt7921e: fix rmmod crash in driver reload test  In insmod/rmmod stress test, the following crash dump shows up immediately. The problem is caused by missing mt76_dev in mt7921_pci_remove(). We should make sure the drvdata is ready before probe() finished.  [168.862789] ================================================================== [168.862797] BUG: KASAN: user-memory-access in try_to_grab_pending+0x59/0x480 [168.862805] Write of size 8 at addr 0000000000006df0 by task rmmod/5361 [168.862812] CPU: 7 PID: 5361 Comm: rmmod Tainted: G           OE     5.19.0-rc6 #1 [168.862816] Hardware name: Intel(R) Client Systems NUC8i7BEH/NUC8BEB, 05/04/2020 [168.862820] Call Trace: [168.862822]  \u003cTASK\u003e [168.862825]  dump_stack_lvl+0x49/0x63 [168.862832]  print_report.cold+0x493/0x6b7 [168.862845]  kasan_report+0xa7/0x120 [168.862857]  kasan_check_range+0x163/0x200 [168.862861]  __kasan_check_write+0x14/0x20 [168.862866]  try_to_grab_pending+0x59/0x480 [168.862870]  __cancel_work_timer+0xbb/0x340 [168.862898]  cancel_work_sync+0x10/0x20 [168.862902]  mt7921_pci_remove+0x61/0x1c0 [mt7921e] [168.862909]  pci_device_remove+0xa3/0x1d0 [168.862914]  device_remove+0xc4/0x170 [168.862920]  device_release_driver_internal+0x163/0x300 [168.862925]  driver_detach+0xc7/0x1a0 [168.862930]  bus_remove_driver+0xeb/0x2d0 [168.862935]  driver_unregister+0x71/0xb0 [168.862939]  pci_unregister_driver+0x30/0x230 [168.862944]  mt7921_pci_driver_exit+0x10/0x1b [mt7921e] [168.862949]  __x64_sys_delete_module+0x2f9/0x4b0 [168.862968]  do_syscall_64+0x38/0x90 [168.862973]  entry_SYSCALL_64_after_hwframe+0x63/0xcd  Test steps: 1. insmode 2. do not ifup 3. rmmod quickly (within 1 second)","modified":"2026-08-27T22:47:36.692185191Z","published":"2025-12-24T13:15:58.030Z","upstream":["CVE-2022-50714"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-50714"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50714.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50714.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50714.json"}}],"schema_version":"1.9.0"}