{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49841", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.229Z", "datePublished": "2025-05-01T14:09:56.980Z", "dateUpdated": "2026-05-11T19:07:48.703Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:07:48.703Z" }, "descriptions": [ { "lang": "en", "value": "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()" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/tty/serial/imx.c" ], "versions": [ { "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775", "lessThan": "e401312ca6e180ee1bd65f6a766e99dd40aa95e7", "status": "affected", "versionType": "git" }, { "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775", "lessThan": "476b09e07bd519ec7ba5941a6a6f9a02256dbb21", "status": "affected", "versionType": "git" }, { "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775", "lessThan": "0a3160f4ffc70ee4bfa1521f698dace06e6091fd", "status": "affected", "versionType": "git" }, { "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775", "lessThan": "ae22294e213a402a70fa1731538367d1b758ffe7", "status": "affected", "versionType": "git" }, { "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775", "lessThan": "e3f9d87d6f0732827c443bd1474df21c2fad704b", "status": "affected", "versionType": "git" }, { "version": "09df0b3464e528c6a4ca2c48d9ff6d2fd7cbd775", "lessThan": "4561d8008a467cb05ac632a215391d6b787f40aa", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/tty/serial/imx.c" ], "versions": [ { "version": "4.16", "status": "affected" }, { "version": "0", "lessThan": "4.16", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.267", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.225", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.156", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.80", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.10", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "4.19.267" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.4.225" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.10.156" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "5.15.80" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.0.10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.16", "versionEndExcluding": "6.1" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/e401312ca6e180ee1bd65f6a766e99dd40aa95e7" }, { "url": "https://git.kernel.org/stable/c/476b09e07bd519ec7ba5941a6a6f9a02256dbb21" }, { "url": "https://git.kernel.org/stable/c/0a3160f4ffc70ee4bfa1521f698dace06e6091fd" }, { "url": "https://git.kernel.org/stable/c/ae22294e213a402a70fa1731538367d1b758ffe7" }, { "url": "https://git.kernel.org/stable/c/e3f9d87d6f0732827c443bd1474df21c2fad704b" }, { "url": "https://git.kernel.org/stable/c/4561d8008a467cb05ac632a215391d6b787f40aa" } ], "title": "serial: imx: Add missing .thaw_noirq hook", "x_generator": { "engine": "bippy-1.2.0" } } } }