{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-50249", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.979Z", "datePublished": "2024-11-09T10:14:57.833Z", "dateUpdated": "2026-05-23T15:54:52.293Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:54:52.293Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: CPPC: Make rmw_lock a raw_spin_lock\n\nThe following BUG was triggered:\n\n=============================\n[ BUG: Invalid wait context ]\n6.12.0-rc2-XXX #406 Not tainted\n-----------------------------\nkworker/1:1/62 is trying to lock:\nffffff8801593030 (&cpc_ptr->rmw_lock){+.+.}-{3:3}, at: cpc_write+0xcc/0x370\nother info that might help us debug this:\ncontext-{5:5}\n2 locks held by kworker/1:1/62:\n #0: ffffff897ef5ec98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x50\n #1: ffffff880154e238 (&sg_policy->update_lock){....}-{2:2}, at: sugov_update_shared+0x3c/0x280\nstack backtrace:\nCPU: 1 UID: 0 PID: 62 Comm: kworker/1:1 Not tainted 6.12.0-rc2-g9654bd3e8806 #406\nWorkqueue: 0x0 (events)\nCall trace:\n dump_backtrace+0xa4/0x130\n show_stack+0x20/0x38\n dump_stack_lvl+0x90/0xd0\n dump_stack+0x18/0x28\n __lock_acquire+0x480/0x1ad8\n lock_acquire+0x114/0x310\n _raw_spin_lock+0x50/0x70\n cpc_write+0xcc/0x370\n cppc_set_perf+0xa0/0x3a8\n cppc_cpufreq_fast_switch+0x40/0xc0\n cpufreq_driver_fast_switch+0x4c/0x218\n sugov_update_shared+0x234/0x280\n update_load_avg+0x6ec/0x7b8\n dequeue_entities+0x108/0x830\n dequeue_task_fair+0x58/0x408\n __schedule+0x4f0/0x1070\n schedule+0x54/0x130\n worker_thread+0xc0/0x2e8\n kthread+0x130/0x148\n ret_from_fork+0x10/0x20\n\nsugov_update_shared() locks a raw_spinlock while cpc_write() locks a\nspinlock.\n\nTo have a correct wait-type order, update rmw_lock to a raw spinlock and\nensure that interrupts will be disabled on the CPU holding it.\n\n[ rjw: Changelog edits ]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/acpi/cppc_acpi.c", "include/acpi/cppc_acpi.h" ], "versions": [ { "version": "94e8c988468dafde1d2bfe0532a60a3117f6394b", "lessThan": "c46d6b02588000c27b7b869388c2c0278bd0d173", "status": "affected", "versionType": "git" }, { "version": "f812ca13a0d3e3aa418da36b66ca40df0d6f9e60", "lessThan": "23039b4aaf1e82e0feea1060834d4ec34262e453", "status": "affected", "versionType": "git" }, { "version": "8ad28208be7bbe748e90442c45963ddbef0fd1e2", "lessThan": "0eb2b767c42fac61ab23c4063eb456baa4c2c262", "status": "affected", "versionType": "git" }, { "version": "20cde05aa8bcd7a5ff36a609d813189b7cdbe692", "lessThan": "43b1df48d1e7000a214acd1a81b8012ca8a929c8", "status": "affected", "versionType": "git" }, { "version": "60949b7b805424f21326b450ca4f1806c06d982e", "lessThan": "1c10941e34c5fdc0357e46a25bd130d9cf40b925", "status": "affected", "versionType": "git" }, { "version": "82cee12ada68dfd438c7faca152dbfe042868743", "status": "affected", "versionType": "git" }, { "version": "6.10.13", "lessThan": "6.11", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/acpi/cppc_acpi.c", "include/acpi/cppc_acpi.h" ], "versions": [ { "version": "5.15.168", "lessThan": "5.15.171", "status": "affected", "versionType": "semver" }, { "version": "6.1.113", "lessThan": "6.1.116", "status": "affected", "versionType": "semver" }, { "version": "6.6.54", "lessThan": "6.6.60", "status": "affected", "versionType": "semver" }, { "version": "6.11.2", "lessThan": "6.11.7", "status": "affected", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.168", "versionEndExcluding": "5.15.171" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.113", "versionEndExcluding": "6.1.116" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.54", "versionEndExcluding": "6.6.60" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11.2", "versionEndExcluding": "6.11.7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/c46d6b02588000c27b7b869388c2c0278bd0d173" }, { "url": "https://git.kernel.org/stable/c/23039b4aaf1e82e0feea1060834d4ec34262e453" }, { "url": "https://git.kernel.org/stable/c/0eb2b767c42fac61ab23c4063eb456baa4c2c262" }, { "url": "https://git.kernel.org/stable/c/43b1df48d1e7000a214acd1a81b8012ca8a929c8" }, { "url": "https://git.kernel.org/stable/c/1c10941e34c5fdc0357e46a25bd130d9cf40b925" } ], "title": "ACPI: CPPC: Make rmw_lock a raw_spin_lock", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2024-50249", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T20:15:54.957362Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T20:17:25.215Z" } }, { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T22:27:28.791Z" } } ] } }