{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2024-26605", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.130Z", "datePublished": "2024-02-24T15:17:13.899Z", "dateUpdated": "2024-09-11T17:33:47.291Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:19:25.393Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/ASPM: Fix deadlock when enabling ASPM\n\nA last minute revert in 6.7-final introduced a potential deadlock when\nenabling ASPM during probe of Qualcomm PCIe controllers as reported by\nlockdep:\n\n ============================================\n WARNING: possible recursive locking detected\n 6.7.0 #40 Not tainted\n --------------------------------------------\n kworker/u16:5/90 is trying to acquire lock:\n ffffacfa78ced000 (pci_bus_sem){++++}-{3:3}, at: pcie_aspm_pm_state_change+0x58/0xdc\n\n but task is already holding lock:\n ffffacfa78ced000 (pci_bus_sem){++++}-{3:3}, at: pci_walk_bus+0x34/0xbc\n\n other info that might help us debug this:\n Possible unsafe locking scenario:\n\n CPU0\n ----\n lock(pci_bus_sem);\n lock(pci_bus_sem);\n\n *** DEADLOCK ***\n\n Call trace:\n print_deadlock_bug+0x25c/0x348\n __lock_acquire+0x10a4/0x2064\n lock_acquire+0x1e8/0x318\n down_read+0x60/0x184\n pcie_aspm_pm_state_change+0x58/0xdc\n pci_set_full_power_state+0xa8/0x114\n pci_set_power_state+0xc4/0x120\n qcom_pcie_enable_aspm+0x1c/0x3c [pcie_qcom]\n pci_walk_bus+0x64/0xbc\n qcom_pcie_host_post_init_2_7_0+0x28/0x34 [pcie_qcom]\n\nThe deadlock can easily be reproduced on machines like the Lenovo ThinkPad\nX13s by adding a delay to increase the race window during asynchronous\nprobe where another thread can take a write lock.\n\nAdd a new pci_set_power_state_locked() and associated helper functions that\ncan be called with the PCI bus semaphore held to avoid taking the read lock\ntwice." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/pci/bus.c", "drivers/pci/controller/dwc/pcie-qcom.c", "drivers/pci/pci.c", "drivers/pci/pci.h", "drivers/pci/pcie/aspm.c", "include/linux/pci.h" ], "versions": [ { "version": "b9c370b61d73", "lessThan": "0f7908a016c0", "status": "affected", "versionType": "git" }, { "version": "8cc22ba3f77c", "lessThan": "b0f4478838be", "status": "affected", "versionType": "git" }, { "version": "f93e71aea6c6", "lessThan": "ef90508574d7", "status": "affected", "versionType": "git" }, { "version": "f93e71aea6c6", "lessThan": "1e560864159d", "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/pci/bus.c", "drivers/pci/controller/dwc/pcie-qcom.c", "drivers/pci/pci.c", "drivers/pci/pci.h", "drivers/pci/pcie/aspm.c", "include/linux/pci.h" ], "versions": [ { "version": "6.7", "status": "affected" }, { "version": "0", "lessThan": "6.7", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.88", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.29", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.5", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0f7908a016c092cfdaa16d785fa5099d867bc1a3" }, { "url": "https://git.kernel.org/stable/c/b0f4478838be1f1d330061201898fef65bf8fd7c" }, { "url": "https://git.kernel.org/stable/c/ef90508574d7af48420bdc5f7b9a4f1cdd26bc70" }, { "url": "https://git.kernel.org/stable/c/1e560864159d002b453da42bd2c13a1805515a20" } ], "title": "PCI/ASPM: Fix deadlock when enabling ASPM", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:07:19.853Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/0f7908a016c092cfdaa16d785fa5099d867bc1a3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b0f4478838be1f1d330061201898fef65bf8fd7c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/ef90508574d7af48420bdc5f7b9a4f1cdd26bc70", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/1e560864159d002b453da42bd2c13a1805515a20", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-26605", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T16:02:33.693811Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:47.291Z" } } ] } }