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vuln-cve/data/2026/23xxx/CVE-2026-23452.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-23452",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-01-13T15:37:46.020Z",
"datePublished": "2026-04-03T15:15:34.680Z",
"dateUpdated": "2026-11-10T12:43:22.448Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T22:07:15.926Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM: runtime: Fix a race condition related to device removal\n\nThe following code in pm_runtime_work() may dereference the dev->parent\npointer after the parent device has been freed:\n\n\t/* Maybe the parent is now able to suspend. */\n\tif (parent && !parent->power.ignore_children) {\n\t\tspin_unlock(&dev->power.lock);\n\n\t\tspin_lock(&parent->power.lock);\n\t\trpm_idle(parent, RPM_ASYNC);\n\t\tspin_unlock(&parent->power.lock);\n\n\t\tspin_lock(&dev->power.lock);\n\t}\n\nFix this by inserting a flush_work() call in pm_runtime_remove().\n\nWithout this patch blktest block/001 triggers the following complaint\nsporadically:\n\nBUG: KASAN: slab-use-after-free in lock_acquire+0x70/0x160\nRead of size 1 at addr ffff88812bef7198 by task kworker/u553:1/3081\nWorkqueue: pm pm_runtime_work\nCall Trace:\n <TASK>\n dump_stack_lvl+0x61/0x80\n print_address_description.constprop.0+0x8b/0x310\n print_report+0xfd/0x1d7\n kasan_report+0xd8/0x1d0\n __kasan_check_byte+0x42/0x60\n lock_acquire.part.0+0x38/0x230\n lock_acquire+0x70/0x160\n _raw_spin_lock+0x36/0x50\n rpm_suspend+0xc6a/0xfe0\n rpm_idle+0x578/0x770\n pm_runtime_work+0xee/0x120\n process_one_work+0xde3/0x1410\n worker_thread+0x5eb/0xfe0\n kthread+0x37b/0x480\n ret_from_fork+0x6cb/0x920\n ret_from_fork_asm+0x11/0x20\n </TASK>\n\nAllocated by task 4314:\n kasan_save_stack+0x2a/0x50\n kasan_save_track+0x18/0x40\n kasan_save_alloc_info+0x3d/0x50\n __kasan_kmalloc+0xa0/0xb0\n __kmalloc_noprof+0x311/0x990\n scsi_alloc_target+0x122/0xb60 [scsi_mod]\n __scsi_scan_target+0x101/0x460 [scsi_mod]\n scsi_scan_channel+0x179/0x1c0 [scsi_mod]\n scsi_scan_host_selected+0x259/0x2d0 [scsi_mod]\n store_scan+0x2d2/0x390 [scsi_mod]\n dev_attr_store+0x43/0x80\n sysfs_kf_write+0xde/0x140\n kernfs_fop_write_iter+0x3ef/0x670\n vfs_write+0x506/0x1470\n ksys_write+0xfd/0x230\n __x64_sys_write+0x76/0xc0\n x64_sys_call+0x213/0x1810\n do_syscall_64+0xee/0xfc0\n entry_SYSCALL_64_after_hwframe+0x4b/0x53\n\nFreed by task 4314:\n kasan_save_stack+0x2a/0x50\n kasan_save_track+0x18/0x40\n kasan_save_free_info+0x3f/0x50\n __kasan_slab_free+0x67/0x80\n kfree+0x225/0x6c0\n scsi_target_dev_release+0x3d/0x60 [scsi_mod]\n device_release+0xa3/0x220\n kobject_cleanup+0x105/0x3a0\n kobject_put+0x72/0xd0\n put_device+0x17/0x20\n scsi_device_dev_release+0xacf/0x12c0 [scsi_mod]\n device_release+0xa3/0x220\n kobject_cleanup+0x105/0x3a0\n kobject_put+0x72/0xd0\n put_device+0x17/0x20\n scsi_device_put+0x7f/0xc0 [scsi_mod]\n sdev_store_delete+0xa5/0x120 [scsi_mod]\n dev_attr_store+0x43/0x80\n sysfs_kf_write+0xde/0x140\n kernfs_fop_write_iter+0x3ef/0x670\n vfs_write+0x506/0x1470\n ksys_write+0xfd/0x230\n __x64_sys_write+0x76/0xc0\n x64_sys_call+0x213/0x1810"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/base/power/runtime.c"
],
"versions": [
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "20f6e2e22a9c6234113812d5f300d3e952a82721",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "b6dd1a562ca8ba96c8ecb247c62b73f9fa02d47e",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "5649b46af8b167259e8a8e4e7eb3667ce74554b5",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "39f2d86f2ddde8d1beda05732f30c7cd945e0b5a",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "c6febaacfb8a0aec7d771a0e6c21cd68102d5679",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "bb081fd37f8312651140d7429557258afe51693d",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "cf65a77c0f9531eb6cfb97cc040974d2d8fff043",
"status": "affected",
"versionType": "git"
},
{
"version": "5e928f77a09a07f9dd595bb8a489965d69a83458",
"lessThan": "29ab768277617452d88c0607c9299cdc63b6e9ff",
"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/base/power/runtime.c"
],
"versions": [
{
"version": "2.6.32",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.32",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.253",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.203",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.167",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.130",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.78",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.20",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.10",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"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": "2.6.32",
"versionEndExcluding": "5.10.253"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "5.15.203"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.1.167"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.6.130"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.12.78"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.18.20"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "6.19.10"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.32",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/20f6e2e22a9c6234113812d5f300d3e952a82721"
},
{
"url": "https://git.kernel.org/stable/c/b6dd1a562ca8ba96c8ecb247c62b73f9fa02d47e"
},
{
"url": "https://git.kernel.org/stable/c/5649b46af8b167259e8a8e4e7eb3667ce74554b5"
},
{
"url": "https://git.kernel.org/stable/c/39f2d86f2ddde8d1beda05732f30c7cd945e0b5a"
},
{
"url": "https://git.kernel.org/stable/c/c6febaacfb8a0aec7d771a0e6c21cd68102d5679"
},
{
"url": "https://git.kernel.org/stable/c/bb081fd37f8312651140d7429557258afe51693d"
},
{
"url": "https://git.kernel.org/stable/c/cf65a77c0f9531eb6cfb97cc040974d2d8fff043"
},
{
"url": "https://git.kernel.org/stable/c/29ab768277617452d88c0607c9299cdc63b6e9ff"
}
],
"title": "PM: runtime: Fix a race condition related to device removal",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"x_adpType": "supplier",
"providerMetadata": {
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP",
"dateUpdated": "2026-11-10T12:43:22.448Z"
},
"affected": [
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.7",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.7",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)",
"versions": [
{
"status": "affected",
"version": "V3.1.7",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.7",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.6",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.5",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
},
{
"vendor": "Siemens",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)",
"versions": [
{
"status": "affected",
"version": "V3.1.7",
"lessThan": "*",
"versionType": "custom"
}
],
"defaultStatus": "unknown"
}
],
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"
}
]
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-23452",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-05T21:31:25.128210Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-05T21:33:47.587Z"
}
}
]
}
}
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