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Vulnerability · Published Dec 24, 2025 · Assigned by Linux

CVE-2022-50714wifi: mt76: mt7921e: fix rmmod crash in driver reload test

Unrated

In plain English

A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 84.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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] <TASK> [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)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.0.3-1DEBIAN-CVE-2022-50714
Debian:13linux6.0.3-1DEBIAN-CVE-2022-50714
Debian:14linux6.0.3-1DEBIAN-CVE-2022-50714
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2022-50714
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2022-50714

Affected products (as reported)

VendorProductVersions
Linux Linux 1c71e03afe4b457a15e50de40006b927dfc00755 – before 1034d8e08508830161377f136a060e78fc24f2a51c71e03afe4b457a15e50de40006b927dfc00755 – before ccda3ebdae719d348f90563b6719fba4929ae2831c71e03afe4b457a15e50de40006b927dfc00755 – before b5a62d612b7baf6e09884e4de94decb6391d6a9d
Linux Linux 5.18

References