{"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":"2025-05-04T12:54:15.125Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:54:15.125Z"},"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"}},"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"}}]}}