{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"e401312ca6e180ee1bd65f6a766e99dd40aa95e7","status":"affected","version":"09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775","versionType":"git"},{"lessThan":"476b09e07bd519ec7ba5941a6a6f9a02256dbb21","status":"affected","version":"09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775","versionType":"git"},{"lessThan":"0a3160f4ffc70ee4bfa1521f698dace06e6091fd","status":"affected","version":"09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775","versionType":"git"},{"lessThan":"ae22294e213a402a70fa1731538367d1b758ffe7","status":"affected","version":"09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775","versionType":"git"},{"lessThan":"e3f9d87d6f0732827c443bd1474df21c2fad704b","status":"affected","version":"09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775","versionType":"git"},{"lessThan":"4561d8008a467cb05ac632a215391d6b787f40aa","status":"affected","version":"09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.16"},{"lessThan":"4.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"4.19.*","status":"unaffected","version":"4.19.267","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.225","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.156","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.80","versionType":"semver"},{"lessThanOrEqual":"6.0.*","status":"unaffected","version":"6.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.1","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2022-49841","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nserial: imx: Add missing .thaw_noirq hook\n\nThe following warning is seen with non-console UART instance when\nsystem hibernates.\n\n[   37.371969] ------------[ cut here ]------------\n[   37.376599] uart3_root_clk already disabled\n[   37.380810] WARNING: CPU: 0 PID: 296 at drivers/clk/clk.c:952 clk_core_disable+0xa4/0xb0\n...\n[   37.506986] Call trace:\n[   37.509432]  clk_core_disable+0xa4/0xb0\n[   37.513270]  clk_disable+0x34/0x50\n[   37.516672]  imx_uart_thaw+0x38/0x5c\n[   37.520250]  platform_pm_thaw+0x30/0x6c\n[   37.524089]  dpm_run_callback.constprop.0+0x3c/0xd4\n[   37.528972]  device_resume+0x7c/0x160\n[   37.532633]  dpm_resume+0xe8/0x230\n[   37.536036]  hibernation_snapshot+0x288/0x430\n[   37.540397]  hibernate+0x10c/0x2e0\n[   37.543798]  state_store+0xc4/0xd0\n[   37.547203]  kobj_attr_store+0x1c/0x30\n[   37.550953]  sysfs_kf_write+0x48/0x60\n[   37.554619]  kernfs_fop_write_iter+0x118/0x1ac\n[   37.559063]  new_sync_write+0xe8/0x184\n[   37.562812]  vfs_write+0x230/0x290\n[   37.566214]  ksys_write+0x68/0xf4\n[   37.569529]  __arm64_sys_write+0x20/0x2c\n[   37.573452]  invoke_syscall.constprop.0+0x50/0xf0\n[   37.578156]  do_el0_svc+0x11c/0x150\n[   37.581648]  el0_svc+0x30/0x140\n[   37.584792]  el0t_64_sync_handler+0xe8/0xf0\n[   37.588976]  el0t_64_sync+0x1a0/0x1a4\n[   37.592639] ---[ end trace 56e22eec54676d75 ]---\n\nOn hibernating, pm core calls into related hooks in sequence like:\n\n    .freeze\n    .freeze_noirq\n    .thaw_noirq\n    .thaw\n\nWith .thaw_noirq hook being absent, the clock will be disabled in a\nunbalanced call which results the warning above.\n\n    imx_uart_freeze()\n        clk_prepare_enable()\n    imx_uart_suspend_noirq()\n        clk_disable()\n    imx_uart_thaw\n        clk_disable_unprepare()\n\nAdding the missing .thaw_noirq hook as imx_uart_resume_noirq() will have\nthe call sequence corrected as below and thus fix the warning.\n\n    imx_uart_freeze()\n        clk_prepare_enable()\n    imx_uart_suspend_noirq()\n        clk_disable()\n    imx_uart_resume_noirq()\n        clk_enable()\n    imx_uart_thaw\n        clk_disable_unprepare()","epss":{"date":"2026-11-05","percentile":0.10282,"score":0.00202},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793908809625,"publishedAt":1746108596980,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/e401312ca6e180ee1bd65f6a766e99dd40aa95e7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/476b09e07bd519ec7ba5941a6a6f9a02256dbb21"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0a3160f4ffc70ee4bfa1521f698dace06e6091fd"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/ae22294e213a402a70fa1731538367d1b758ffe7"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/e3f9d87d6f0732827c443bd1474df21c2fad704b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/4561d8008a467cb05ac632a215391d6b787f40aa"}],"remediation":[],"revision":"92f3de1d60cc9423ce0351c0651f4fc1497eae3677776e99a4afaa1105d14026","sources":[{"modifiedAt":1793908809625,"name":"CNA: Linux","retrievedAt":1793909467529,"url":"https://www.cve.org/CVERecord?id=CVE-2022-49841"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793909485559,"url":"https://api.first.org/data/v1/epss?cve=CVE-2022-49841"}],"ssvc":{"assessedAt":1793908244550,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"serial: imx: Add missing .thaw_noirq hook","updatedAt":1793909485559}