{"id":"CVE-2022-50468","state":"PUBLISHED","title":"platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()\n\nThe following WARNING message was given when rmmod cros_usbpd_notify:\n\n Unexpected driver unregister!\n WARNING: CPU: 0 PID: 253 at drivers/base/driver.c:270 driver_unregister+0x8a/0xb0\n Modules linked in: cros_usbpd_notify(-)\n CPU: 0 PID: 253 Comm: rmmod Not tainted 6.1.0-rc3 #24\n ...\n Call Trace:\n  <TASK>\n  cros_usbpd_notify_exit+0x11/0x1e [cros_usbpd_notify]\n  __x64_sys_delete_module+0x3c7/0x570\n  ? __ia32_sys_delete_module+0x570/0x570\n  ? lock_is_held_type+0xe3/0x140\n  ? syscall_enter_from_user_mode+0x17/0x50\n  ? rcu_read_lock_sched_held+0xa0/0xd0\n  ? syscall_enter_from_user_mode+0x1c/0x50\n  do_syscall_64+0x37/0x90\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n RIP: 0033:0x7f333fe9b1b7\n\nThe reason is that the cros_usbpd_notify_init() does not check the return\nvalue of platform_driver_register(), and the cros_usbpd_notify can\ninstall successfully even if platform_driver_register() failed.\n\nFix by checking the return value of platform_driver_register() and\nunregister cros_usbpd_notify_plat_driver when it failed.","publishedAt":"2025-10-01T11:45:38.881Z","updatedAt":"2026-05-11T19:20:04.497Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"5c0cacdd354987f8f5348d16908716f154047890","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"cab345f9d51943898e406275f9607c145adb1877","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"7b6ee54995739202b4a0cc01b7e9269f761c573d","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"751f12696d797e785d2611099fe9f0569d47556e","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"5a2d96623670155d94aca72c320c0ac27bdc6bd2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_usbpd_notify.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_usbpd_notify.c"]}],"references":["https://git.kernel.org/stable/c/5c0cacdd354987f8f5348d16908716f154047890","https://git.kernel.org/stable/c/cab345f9d51943898e406275f9607c145adb1877","https://git.kernel.org/stable/c/7b6ee54995739202b4a0cc01b7e9269f761c573d","https://git.kernel.org/stable/c/751f12696d797e785d2611099fe9f0569d47556e","https://git.kernel.org/stable/c/5a2d96623670155d94aca72c320c0ac27bdc6bd2"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50468.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50468","state":"PUBLISHED","datePublished":"2025-10-01T11:45:38.881Z","dateUpdated":"2026-05-11T19:20:04.497Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-01T11:38:45.642Z"},"containers":{"cna":{"title":"platform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/chrome: cros_usbpd_notify: Fix error handling in cros_usbpd_notify_init()\n\nThe following WARNING message was given when rmmod cros_usbpd_notify:\n\n Unexpected driver unregister!\n WARNING: CPU: 0 PID: 253 at drivers/base/driver.c:270 driver_unregister+0x8a/0xb0\n Modules linked in: cros_usbpd_notify(-)\n CPU: 0 PID: 253 Comm: rmmod Not tainted 6.1.0-rc3 #24\n ...\n Call Trace:\n  <TASK>\n  cros_usbpd_notify_exit+0x11/0x1e [cros_usbpd_notify]\n  __x64_sys_delete_module+0x3c7/0x570\n  ? __ia32_sys_delete_module+0x570/0x570\n  ? lock_is_held_type+0xe3/0x140\n  ? syscall_enter_from_user_mode+0x17/0x50\n  ? rcu_read_lock_sched_held+0xa0/0xd0\n  ? syscall_enter_from_user_mode+0x1c/0x50\n  do_syscall_64+0x37/0x90\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n RIP: 0033:0x7f333fe9b1b7\n\nThe reason is that the cros_usbpd_notify_init() does not check the return\nvalue of platform_driver_register(), and the cros_usbpd_notify can\ninstall successfully even if platform_driver_register() failed.\n\nFix by checking the return value of platform_driver_register() and\nunregister cros_usbpd_notify_plat_driver when it failed."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"5c0cacdd354987f8f5348d16908716f154047890","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"cab345f9d51943898e406275f9607c145adb1877","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"7b6ee54995739202b4a0cc01b7e9269f761c573d","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"751f12696d797e785d2611099fe9f0569d47556e","versionType":"git"},{"version":"ec2daf6e33f9f9113ba085b6ff88592907b6f1ce","status":"affected","lessThan":"5a2d96623670155d94aca72c320c0ac27bdc6bd2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_usbpd_notify.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/chrome/cros_usbpd_notify.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5c0cacdd354987f8f5348d16908716f154047890"},{"url":"https://git.kernel.org/stable/c/cab345f9d51943898e406275f9607c145adb1877"},{"url":"https://git.kernel.org/stable/c/7b6ee54995739202b4a0cc01b7e9269f761c573d"},{"url":"https://git.kernel.org/stable/c/751f12696d797e785d2611099fe9f0569d47556e"},{"url":"https://git.kernel.org/stable/c/5a2d96623670155d94aca72c320c0ac27bdc6bd2"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:20:04.497Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}