{"id":"CVE-2024-44953","state":"PUBLISHED","title":"scsi: ufs: core: Fix deadlock during RTC update","description":"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.","publishedAt":"2024-09-04T18:35:52.974Z","updatedAt":"2026-05-11T20:32:38.911Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"06701a545e9a3c4e007cff6872a074bf97c40619","status":"affected","lessThan":"a4921b76bc9421d3838e167f6a17ea3112d8fe62","versionType":"git"},{"version":"6bf999e0eb41850d5c857102535d5c53b2ede224","status":"affected","lessThan":"f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5","versionType":"git"},{"version":"6bf999e0eb41850d5c857102535d5c53b2ede224","status":"affected","lessThan":"3911af778f208e5f49d43ce739332b91e26bc48e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ufs/core/ufshcd-priv.h","drivers/ufs/core/ufshcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.10.5","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ufs/core/ufshcd-priv.h","drivers/ufs/core/ufshcd.c"]}],"references":["https://git.kernel.org/stable/c/a4921b76bc9421d3838e167f6a17ea3112d8fe62","https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5","https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/44xxx/CVE-2024-44953.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-44953","state":"PUBLISHED","datePublished":"2024-09-04T18:35:52.974Z","dateUpdated":"2026-05-11T20:32:38.911Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-21T05:34:56.666Z"},"containers":{"cna":{"title":"scsi: ufs: core: Fix deadlock during RTC update","descriptions":[{"lang":"en","value":"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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"06701a545e9a3c4e007cff6872a074bf97c40619","status":"affected","lessThan":"a4921b76bc9421d3838e167f6a17ea3112d8fe62","versionType":"git"},{"version":"6bf999e0eb41850d5c857102535d5c53b2ede224","status":"affected","lessThan":"f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5","versionType":"git"},{"version":"6bf999e0eb41850d5c857102535d5c53b2ede224","status":"affected","lessThan":"3911af778f208e5f49d43ce739332b91e26bc48e","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ufs/core/ufshcd-priv.h","drivers/ufs/core/ufshcd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.10.5","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/ufs/core/ufshcd-priv.h","drivers/ufs/core/ufshcd.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a4921b76bc9421d3838e167f6a17ea3112d8fe62"},{"url":"https://git.kernel.org/stable/c/f13f1858a28c68b7fc0d72c2008d5c1f80d2e8d5"},{"url":"https://git.kernel.org/stable/c/3911af778f208e5f49d43ce739332b91e26bc48e"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:32:38.911Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.10.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.11"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-44953","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T17:40:13.660426Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-12T17:33:36.745Z"}}]}}}