mirror of
https://github.com/CVEProject/cvelist.git
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134 lines
7.7 KiB
JSON
134 lines
7.7 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-26605",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"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."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "b9c370b61d73",
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"version_value": "0f7908a016c0"
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},
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{
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"version_affected": "<",
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"version_name": "8cc22ba3f77c",
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"version_value": "b0f4478838be"
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},
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{
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"version_affected": "<",
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"version_name": "f93e71aea6c6",
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"version_value": "ef90508574d7"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.7",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.7",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.88",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.29",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.7.5",
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"lessThanOrEqual": "6.7.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.8",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/0f7908a016c092cfdaa16d785fa5099d867bc1a3",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/0f7908a016c092cfdaa16d785fa5099d867bc1a3"
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},
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{
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"url": "https://git.kernel.org/stable/c/b0f4478838be1f1d330061201898fef65bf8fd7c",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/b0f4478838be1f1d330061201898fef65bf8fd7c"
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},
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{
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"url": "https://git.kernel.org/stable/c/ef90508574d7af48420bdc5f7b9a4f1cdd26bc70",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/ef90508574d7af48420bdc5f7b9a4f1cdd26bc70"
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},
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{
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"url": "https://git.kernel.org/stable/c/1e560864159d002b453da42bd2c13a1805515a20",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/1e560864159d002b453da42bd2c13a1805515a20"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |