{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-40108", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T07:20:57.167Z", "datePublished": "2025-11-09T04:35:58.587Z", "dateUpdated": "2026-05-11T21:42:40.261Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:42:40.261Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: qcom-geni: Fix blocked task\n\nRevert commit 1afa70632c39 (\"serial: qcom-geni: Enable PM runtime for\nserial driver\") and its dependent commit 86fa39dd6fb7 (\"serial:\nqcom-geni: Enable Serial on SA8255p Qualcomm platforms\") because the\nfirst one causes regression - hang task on Qualcomm RB1 board (QRB2210)\nand unable to use serial at all during normal boot:\n\n INFO: task kworker/u16:0:12 blocked for more than 42 seconds.\n Not tainted 6.17.0-rc1-00004-g53e760d89498 #9\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:kworker/u16:0 state:D stack:0 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00000010\n Workqueue: async async_run_entry_fn\n Call trace:\n __switch_to+0xe8/0x1a0 (T)\n __schedule+0x290/0x7c0\n schedule+0x34/0x118\n rpm_resume+0x14c/0x66c\n rpm_resume+0x2a4/0x66c\n rpm_resume+0x2a4/0x66c\n rpm_resume+0x2a4/0x66c\n __pm_runtime_resume+0x50/0x9c\n __driver_probe_device+0x58/0x120\n driver_probe_device+0x3c/0x154\n __driver_attach_async_helper+0x4c/0xc0\n async_run_entry_fn+0x34/0xe0\n process_one_work+0x148/0x290\n worker_thread+0x2c4/0x3e0\n kthread+0x118/0x1c0\n ret_from_fork+0x10/0x20\n\nThe issue was reported on 12th of August and was ignored by author of\ncommits introducing issue for two weeks. Only after complaining author\nproduced a fix which did not work, so if original commits cannot be\nreliably fixed for 5 weeks, they obviously are buggy and need to be\ndropped."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/tty/serial/qcom_geni_serial.c"], "versions": [{"version": "1afa70632c390488308d8e94e037df6895a3e1ac", "lessThan": "1e810d81769e16637bcd845ba37fbc1eba5d4bd2", "status": "affected", "versionType": "git"}, {"version": "1afa70632c390488308d8e94e037df6895a3e1ac", "lessThan": "a699213d4e6ef4286348c6439837990f121e0c03", "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/qcom_geni_serial.c"], "versions": [{"version": "6.17", "status": "affected"}, {"version": "0", "lessThan": "6.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.17.2", "lessThanOrEqual": "6.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18", "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": "6.17", "versionEndExcluding": "6.17.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.17", "versionEndExcluding": "6.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/1e810d81769e16637bcd845ba37fbc1eba5d4bd2"}, {"url": "https://git.kernel.org/stable/c/a699213d4e6ef4286348c6439837990f121e0c03"}], "title": "serial: qcom-geni: Fix blocked task", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: qcom-geni: Fix blocked task\n\nRevert commit 1afa70632c39 (\"serial: qcom-geni: Enable PM runtime for\nserial driver\") and its dependent commit 86fa39dd6fb7 (\"serial:\nqcom-geni: Enable Serial on SA8255p Qualcomm platforms\") because the\nfirst one causes regression - hang task on Qualcomm RB1 board (QRB2210)\nand unable to use serial at all during normal boot:\n\n INFO: task kworker/u16:0:12 blocked for more than 42 seconds.\n Not tainted 6.17.0-rc1-00004-g53e760d89498 #9\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:kworker/u16:0 state:D stack:0 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00000010\n Workqueue: async async_run_entry_fn\n Call trace:\n __switch_to+0xe8/0x1a0 (T)\n __schedule+0x290/0x7c0\n schedule+0x34/0x118\n rpm_resume+0x14c/0x66c\n rpm_resume+0x2a4/0x66c\n rpm_resume+0x2a4/0x66c\n rpm_resume+0x2a4/0x66c\n __pm_runtime_resume+0x50/0x9c\n __driver_probe_device+0x58/0x120\n driver_probe_device+0x3c/0x154\n __driver_attach_async_helper+0x4c/0xc0\n async_run_entry_fn+0x34/0xe0\n process_one_work+0x148/0x290\n worker_thread+0x2c4/0x3e0\n kthread+0x118/0x1c0\n ret_from_fork+0x10/0x20\n\nThe issue was reported on 12th of August and was ignored by author of\ncommits introducing issue for two weeks. Only after complaining author\nproduced a fix which did not work, so if original commits cannot be\nreliably fixed for 5 weeks, they obviously are buggy and need to be\ndropped."}], "id": "CVE-2025-40108", "lastModified": "2026-04-15T00:35:42.020", "metrics": {}, "published": "2025-11-09T05:15:35.580", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1e810d81769e16637bcd845ba37fbc1eba5d4bd2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a699213d4e6ef4286348c6439837990f121e0c03"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Deferred"}

{"bugzilla": {"description": "kernel: serial: qcom-geni: Fix blocked task", "id": "2413620", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2413620"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nserial: qcom-geni: Fix blocked task\nRevert commit 1afa70632c39 (\"serial: qcom-geni: Enable PM runtime for\nserial driver\") and its dependent commit 86fa39dd6fb7 (\"serial:\nqcom-geni: Enable Serial on SA8255p Qualcomm platforms\") because the\nfirst one causes regression - hang task on Qualcomm RB1 board (QRB2210)\nand unable to use serial at all during normal boot:\nINFO: task kworker/u16:0:12 blocked for more than 42 seconds.\nNot tainted 6.17.0-rc1-00004-g53e760d89498 #9\n\"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\ntask:kworker/u16:0 state:D stack:0 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00000010\nWorkqueue: async async_run_entry_fn\nCall trace:\n__switch_to+0xe8/0x1a0 (T)\n__schedule+0x290/0x7c0\nschedule+0x34/0x118\nrpm_resume+0x14c/0x66c\nrpm_resume+0x2a4/0x66c\nrpm_resume+0x2a4/0x66c\nrpm_resume+0x2a4/0x66c\n__pm_runtime_resume+0x50/0x9c\n__driver_probe_device+0x58/0x120\ndriver_probe_device+0x3c/0x154\n__driver_attach_async_helper+0x4c/0xc0\nasync_run_entry_fn+0x34/0xe0\nprocess_one_work+0x148/0x290\nworker_thread+0x2c4/0x3e0\nkthread+0x118/0x1c0\nret_from_fork+0x10/0x20\nThe issue was reported on 12th of August and was ignored by author of\ncommits introducing issue for two weeks. Only after complaining author\nproduced a fix which did not work, so if original commits cannot be\nreliably fixed for 5 weeks, they obviously are buggy and need to be\ndropped."], "name": "CVE-2025-40108", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-11-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-40108\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-40108"], "threat_severity": "Moderate"}

{"created": "2025-11-10T09:33:17.803262+00:00", "updated": "2025-11-10T09:33:17.803301+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}