| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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" |
| } |
| ] |
| }, |
| { |
| "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" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-50249", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
