{"schema_version":"1.9.0","id":"CVE-2024-44953","published":"2024-09-04T18:35:52.974Z","modified":"2026-08-12T03:51:47.928595149Z","summary":"scsi: ufs: core: Fix deadlock during RTC update","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix deadlock during RTC update\n\nThere is a deadlock when runtime suspend waits for the flush of RTC work,\nand the RTC work calls ufshcd_rpm_get_sync() to wait for runtime resume.\n\nHere is deadlock backtrace:\n\nkworker/0:1     D 4892.876354 10 10971 4859 0x4208060 0x8 10 0 120 670730152367\nptr            f0ffff80c2e40000 0 1 0x00000001 0x000000ff 0x000000ff 0x000000ff\n<ffffffee5e71ddb0> __switch_to+0x1a8/0x2d4\n<ffffffee5e71e604> __schedule+0x684/0xa98\n<ffffffee5e71ea60> schedule+0x48/0xc8\n<ffffffee5e725f78> schedule_timeout+0x48/0x170\n<ffffffee5e71fb74> do_wait_for_common+0x108/0x1b0\n<ffffffee5e71efe0> wait_for_completion+0x44/0x60\n<ffffffee5d6de968> __flush_work+0x39c/0x424\n<ffffffee5d6decc0> __cancel_work_sync+0xd8/0x208\n<ffffffee5d6dee2c> cancel_delayed_work_sync+0x14/0x28\n<ffffffee5e2551b8> __ufshcd_wl_suspend+0x19c/0x480\n<ffffffee5e255fb8> ufshcd_wl_runtime_suspend+0x3c/0x1d4\n<ffffffee5dffd80c> scsi_runtime_suspend+0x78/0xc8\n<ffffffee5df93580> __rpm_callback+0x94/0x3e0\n<ffffffee5df90b0c> rpm_suspend+0x2d4/0x65c\n<ffffffee5df91448> __pm_runtime_suspend+0x80/0x114\n<ffffffee5dffd95c> scsi_runtime_idle+0x38/0x6c\n<ffffffee5df912f4> rpm_idle+0x264/0x338\n<ffffffee5df90f14> __pm_runtime_idle+0x80/0x110\n<ffffffee5e24ce44> ufshcd_rtc_work+0x128/0x1e4\n<ffffffee5d6e3a40> process_one_work+0x26c/0x650\n<ffffffee5d6e65c8> worker_thread+0x260/0x3d8\n<ffffffee5d6edec8> kthread+0x110/0x134\n<ffffffee5d616b18> ret_from_fork+0x10/0x20\n\nSkip updating RTC if RPM state is not RPM_ACTIVE.","affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"06701a545e9a3c4e007cff6872a074bf97c40619"},{"fixed":"a4921b76bc9421d3838e167f6a17ea3112d8fe62"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"6bf999e0eb41850d5c857102535d5c53b2ede224"},{"fixed":"f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5"},{"fixed":"3911af778f208e5f49d43ce739332b91e26bc48e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44953.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.8.0"},{"fixed":"6.10.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-44953.json"}}],"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4921b76bc9421d3838e167f6a17ea3112d8fe62"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44953.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-44953"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/44xxx/CVE-2024-44953.json"}}