{"id":"CVE-2022-49460","state":"PUBLISHED","title":"PM / devfreq: rk3399_dmc: Disable edev on remove()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: rk3399_dmc: Disable edev on remove()\n\nOtherwise we hit an unablanced enable-count when unbinding the DFI\ndevice:\n\n[ 1279.659119] ------------[ cut here ]------------\n[ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c\n...\n[ 1279.659352] Hardware name: Google Kevin (DT)\n[ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--)\n[ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28\n...\n[ 1279.659571] Call trace:\n[ 1279.659582]  devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659590]  devm_devfreq_event_release+0x1c/0x28\n[ 1279.659602]  release_nodes+0x1cc/0x244\n[ 1279.659611]  devres_release_all+0x44/0x60\n[ 1279.659621]  device_release_driver_internal+0x11c/0x1ac\n[ 1279.659629]  device_driver_detach+0x20/0x2c\n[ 1279.659641]  unbind_store+0x7c/0xb0\n[ 1279.659650]  drv_attr_store+0x2c/0x40\n[ 1279.659663]  sysfs_kf_write+0x44/0x58\n[ 1279.659672]  kernfs_fop_write_iter+0xf4/0x190\n[ 1279.659684]  vfs_write+0x2b0/0x2e4\n[ 1279.659693]  ksys_write+0x80/0xec\n[ 1279.659701]  __arm64_sys_write+0x24/0x30\n[ 1279.659714]  el0_svc_common+0xf0/0x1d8\n[ 1279.659724]  do_el0_svc_compat+0x28/0x3c\n[ 1279.659738]  el0_svc_compat+0x10/0x1c\n[ 1279.659746]  el0_sync_compat_handler+0xa8/0xcc\n[ 1279.659758]  el0_sync_compat+0x188/0x1c0\n[ 1279.659768] ---[ end trace cec200e5094155b4 ]---","publishedAt":"2025-02-26T02:13:07.635Z","updatedAt":"2026-05-11T19:00:18.494Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"664736e2cc09e504ce58ec61164d029d1f2651bb","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"a0180e324a9a63de8f770da300477b48cb4a53f1","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"86b091b6894c449d2734de7aa7d79ccb33ffd97d","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"cb1be1d4be18fe286ba5a67d928598378fd7fbe5","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"fb089b6f21de03a685dd31df3789bbb01c59f8e3","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/rk3399_dmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/rk3399_dmc.c"]}],"references":["https://git.kernel.org/stable/c/664736e2cc09e504ce58ec61164d029d1f2651bb","https://git.kernel.org/stable/c/a0180e324a9a63de8f770da300477b48cb4a53f1","https://git.kernel.org/stable/c/86b091b6894c449d2734de7aa7d79ccb33ffd97d","https://git.kernel.org/stable/c/cb1be1d4be18fe286ba5a67d928598378fd7fbe5","https://git.kernel.org/stable/c/fb089b6f21de03a685dd31df3789bbb01c59f8e3","https://git.kernel.org/stable/c/a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef","https://git.kernel.org/stable/c/2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49460.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49460","state":"PUBLISHED","datePublished":"2025-02-26T02:13:07.635Z","dateUpdated":"2026-05-11T19:00:18.494Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.576Z"},"containers":{"cna":{"title":"PM / devfreq: rk3399_dmc: Disable edev on remove()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: rk3399_dmc: Disable edev on remove()\n\nOtherwise we hit an unablanced enable-count when unbinding the DFI\ndevice:\n\n[ 1279.659119] ------------[ cut here ]------------\n[ 1279.659179] WARNING: CPU: 2 PID: 5638 at drivers/devfreq/devfreq-event.c:360 devfreq_event_remove_edev+0x84/0x8c\n...\n[ 1279.659352] Hardware name: Google Kevin (DT)\n[ 1279.659363] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO BTYPE=--)\n[ 1279.659371] pc : devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659380] lr : devm_devfreq_event_release+0x1c/0x28\n...\n[ 1279.659571] Call trace:\n[ 1279.659582]  devfreq_event_remove_edev+0x84/0x8c\n[ 1279.659590]  devm_devfreq_event_release+0x1c/0x28\n[ 1279.659602]  release_nodes+0x1cc/0x244\n[ 1279.659611]  devres_release_all+0x44/0x60\n[ 1279.659621]  device_release_driver_internal+0x11c/0x1ac\n[ 1279.659629]  device_driver_detach+0x20/0x2c\n[ 1279.659641]  unbind_store+0x7c/0xb0\n[ 1279.659650]  drv_attr_store+0x2c/0x40\n[ 1279.659663]  sysfs_kf_write+0x44/0x58\n[ 1279.659672]  kernfs_fop_write_iter+0xf4/0x190\n[ 1279.659684]  vfs_write+0x2b0/0x2e4\n[ 1279.659693]  ksys_write+0x80/0xec\n[ 1279.659701]  __arm64_sys_write+0x24/0x30\n[ 1279.659714]  el0_svc_common+0xf0/0x1d8\n[ 1279.659724]  do_el0_svc_compat+0x28/0x3c\n[ 1279.659738]  el0_svc_compat+0x10/0x1c\n[ 1279.659746]  el0_sync_compat_handler+0xa8/0xcc\n[ 1279.659758]  el0_sync_compat+0x188/0x1c0\n[ 1279.659768] ---[ end trace cec200e5094155b4 ]---"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"664736e2cc09e504ce58ec61164d029d1f2651bb","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"a0180e324a9a63de8f770da300477b48cb4a53f1","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"86b091b6894c449d2734de7aa7d79ccb33ffd97d","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"cb1be1d4be18fe286ba5a67d928598378fd7fbe5","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"fb089b6f21de03a685dd31df3789bbb01c59f8e3","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef","versionType":"git"},{"version":"5a893e31a636cca3798af2db5aee8d3d144b1e1e","status":"affected","lessThan":"2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/rk3399_dmc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"4.19.247","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.198","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/rk3399_dmc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/664736e2cc09e504ce58ec61164d029d1f2651bb"},{"url":"https://git.kernel.org/stable/c/a0180e324a9a63de8f770da300477b48cb4a53f1"},{"url":"https://git.kernel.org/stable/c/86b091b6894c449d2734de7aa7d79ccb33ffd97d"},{"url":"https://git.kernel.org/stable/c/cb1be1d4be18fe286ba5a67d928598378fd7fbe5"},{"url":"https://git.kernel.org/stable/c/fb089b6f21de03a685dd31df3789bbb01c59f8e3"},{"url":"https://git.kernel.org/stable/c/a9c2b23a7ac6ab19214cad8cac8af8608a4d9cef"},{"url":"https://git.kernel.org/stable/c/2fccf9e6050e0e3b8b4cd275d41daf7f7fa22804"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:00:18.494Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"4.19.247"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}