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vuln-cve/data/2026/53xxx/CVE-2026-53326.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-53326",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-06-09T07:44:35.398Z",
"datePublished": "2026-07-01T13:32:12.924Z",
"dateUpdated": "2026-07-04T11:51:04.894Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-07-04T11:51:04.894Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndebugobjects: Don't call fill_pool() in early boot hardirq context\n\nWhen booting a debug PREEMPT_RT kernel on an ARM64 system, a \"inconsistent\n{HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage\" lockdep warning message was\nreported to the console.\n\nDuring early boot, interrupts are enabled before the scheduler is\nenabled. In this window (before SYSTEM_SCHEDULING is set) interrupts can\nfire and in the hard interrupt context handler attempt to fill the pool\n\nThis can lead to a deadlock when the interrupt occurred when the interrupt\nhits a region which holds a lock that is required to be taken in the\nallocation path.\n\nAdd a new can_fill_pool() helper and reorder the exception rule and forbid\nthis scenario by excluding allocations from hard interrupt context."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"lib/debugobjects.c"
],
"versions": [
{
"version": "13abb2b11ac3b6cb89822f152e770081893e4bc3",
"lessThan": "3cc90ea0dd0fb1f8db577dcdc027fc46c06049f6",
"status": "affected",
"versionType": "git"
},
{
"version": "0d2a64411b0974a469ff56e62441055147e5a194",
"lessThan": "5d95f6b267f3d7fe54f42a3b224bb4a3d3990b41",
"status": "affected",
"versionType": "git"
},
{
"version": "c93859a52b0d6953cdaa17fd7fb46a6871b015cf",
"lessThan": "27335c50014102e9077b784ebd314954286afcab",
"status": "affected",
"versionType": "git"
},
{
"version": "a460935022f512e167b4c5d4c12d85f89ba6aabd",
"lessThan": "44b8b03a9fb5c575548fc72c674653d6baba142a",
"status": "affected",
"versionType": "git"
},
{
"version": "06e0ae988f6e3499785c407429953ade19c1096b",
"lessThan": "7bc71bdb1c1526c7f02a6adab324394ff1327b0a",
"status": "affected",
"versionType": "git"
},
{
"version": "06e0ae988f6e3499785c407429953ade19c1096b",
"lessThan": "0d046ae106255cba5eb83b23f78ee93f3620247d",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"lib/debugobjects.c"
],
"versions": [
{
"version": "6.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.19",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0.13",
"lessThanOrEqual": "7.0.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.1",
"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": "6.19",
"versionEndExcluding": "7.0.13"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.19",
"versionEndExcluding": "7.1"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/3cc90ea0dd0fb1f8db577dcdc027fc46c06049f6"
},
{
"url": "https://git.kernel.org/stable/c/5d95f6b267f3d7fe54f42a3b224bb4a3d3990b41"
},
{
"url": "https://git.kernel.org/stable/c/27335c50014102e9077b784ebd314954286afcab"
},
{
"url": "https://git.kernel.org/stable/c/44b8b03a9fb5c575548fc72c674653d6baba142a"
},
{
"url": "https://git.kernel.org/stable/c/7bc71bdb1c1526c7f02a6adab324394ff1327b0a"
},
{
"url": "https://git.kernel.org/stable/c/0d046ae106255cba5eb83b23f78ee93f3620247d"
}
],
"title": "debugobjects: Don't call fill_pool() in early boot hardirq context",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}