| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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": "b9c370b61d735a0e5390c42771e7eb21413f7868", |
| "lessThan": "0f7908a016c092cfdaa16d785fa5099d867bc1a3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "8cc22ba3f77c59df5f1ac47d62df51efb28cd868", |
| "lessThan": "b0f4478838be1f1d330061201898fef65bf8fd7c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "f93e71aea6c60ebff8adbd8941e678302d377869", |
| "lessThan": "ef90508574d7af48420bdc5f7b9a4f1cdd26bc70", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "f93e71aea6c60ebff8adbd8941e678302d377869", |
| "lessThan": "1e560864159d002b453da42bd2c13a1805515a20", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "1f2f662c8bec75d1311e063efaa9107435cf16c8", |
| "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": "semver" |
| }, |
| { |
| "version": "6.1.88", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.29", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.7.5", |
| "lessThanOrEqual": "6.7.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.8", |
| "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": "6.1.72", |
| "versionEndExcluding": "6.1.88" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.6.11", |
| "versionEndExcluding": "6.6.29" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.7", |
| "versionEndExcluding": "6.7.5" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.7", |
| "versionEndExcluding": "6.8" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.15.147" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "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-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-26605", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
