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CVE-2024-44953 - WebDrive UFS Deadlock

CVE ID : CVE-2024-44953
Published : Sept. 4, 2024, 7:15 p.m. | 1 hour, 12 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix deadlock during RTC update There is a deadlock when runtime suspend waits for the flush of RTC work, and the RTC work calls ufshcd_rpm_get_sync() to wait for runtime resume. Here is deadlock backtrace: kworker/0:1 D 4892.876354 10 10971 4859 0x4208060 0x8 10 0 120 670730152367 ptr f0ffff80c2e40000 0 1 0x00000001 0x000000ff 0x000000ff 0x000000ff __switch_to+0x1a8/0x2d4 __schedule+0x684/0xa98 schedule+0x48/0xc8 schedule_timeout+0x48/0x170 do_wait_for_common+0x108/0x1b0 wait_for_completion+0x44/0x60 __flush_work+0x39c/0x424 __cancel_work_sync+0xd8/0x208 cancel_delayed_work_sync+0x14/0x28 __ufshcd_wl_suspend+0x19c/0x480 ufshcd_wl_runtime_suspend+0x3c/0x1d4 scsi_runtime_suspend+0x78/0xc8 __rpm_callback+0x94/0x3e0 rpm_suspend+0x2d4/0x65c __pm_runtime_suspend+0x80/0x114 scsi_runtime_idle+0x38/0x6c rpm_idle+0x264/0x338 __pm_runtime_idle+0x80/0x110 ufshcd_rtc_work+0x128/0x1e4 process_one_work+0x26c/0x650 worker_thread+0x260/0x3d8 kthread+0x110/0x134 ret_from_fork+0x10/0x20 Skip updating RTC if RPM state is not RPM_ACTIVE.
Severity: 0.0 | NA
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Kenya Education Network CERT(KENET-CERT) is a Cybersecurity Emergency Response Team and Co-ordination Center operated by the National Research and Education Network of Kenya. KENET-CERT coordination center promotes awareness on cybersecurity incidences as well as coordinates and assists member institutions in responding effectively to cyber security threats and incidences. KENET-CERT works closely with Kenya's National CIRT coordination center (CIRT/CC) as a sector CIRT for the academic institutions. KENET promotes use of ICT in Teaching, Learning and Research in Higher Education Institutions in Kenya. KENET aims to interconnect all the Universities, Tertiary and Research Institutions in Kenya by setting up a cost effective and sustainable private network with high speed access to the global Internet. KENET also facilitates electronic communication among students and faculties in member institutions, share learning and teaching resources by collaboration in Research and Development of Educational content.