CVE-2025-40006 (GCVE-0-2025-40006)
Vulnerability from cvelistv5 – Published: 2025-10-20 15:26 – Updated: 2026-08-05 12:07
VLAI
EPSS
VEX
Title
mm/hugetlb: fix folio is still mapped when deleted
Summary
In the Linux kernel, the following vulnerability has been resolved:
mm/hugetlb: fix folio is still mapped when deleted
Migration may be raced with fallocating hole. remove_inode_single_folio
will unmap the folio if the folio is still mapped. However, it's called
without folio lock. If the folio is migrated and the mapped pte has been
converted to migration entry, folio_mapped() returns false, and won't
unmap it. Due to extra refcount held by remove_inode_single_folio,
migration fails, restores migration entry to normal pte, and the folio is
mapped again. As a result, we triggered BUG in filemap_unaccount_folio.
The log is as follows:
BUG: Bad page cache in process hugetlb pfn:156c00
page: refcount:515 mapcount:0 mapping:0000000099fef6e1 index:0x0 pfn:0x156c00
head: order:9 mapcount:1 entire_mapcount:1 nr_pages_mapped:0 pincount:0
aops:hugetlbfs_aops ino:dcc dentry name(?):"my_hugepage_file"
flags: 0x17ffffc00000c1(locked|waiters|head|node=0|zone=2|lastcpupid=0x1fffff)
page_type: f4(hugetlb)
page dumped because: still mapped when deleted
CPU: 1 UID: 0 PID: 395 Comm: hugetlb Not tainted 6.17.0-rc5-00044-g7aac71907bde-dirty #484 NONE
Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015
Call Trace:
<TASK>
dump_stack_lvl+0x4f/0x70
filemap_unaccount_folio+0xc4/0x1c0
__filemap_remove_folio+0x38/0x1c0
filemap_remove_folio+0x41/0xd0
remove_inode_hugepages+0x142/0x250
hugetlbfs_fallocate+0x471/0x5a0
vfs_fallocate+0x149/0x380
Hold folio lock before checking if the folio is mapped to avold race with
migration.
Severity
7.8 (High)
Assigner
References
8 references
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
4aae8d1c051ea00b456da6811bc36d1f69de5445 , < bc1c9ce8aeff45318332035dbef9713fb9e982d7
(git)
Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 91f548e920fbf8be3f285bfa3fa045ae017e836d (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 3e851448078f5b01f6264915df3cfef75e323a12 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < c9c2a51f91aea70e89b496cac360cd795a2b3c26 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 910d7749346c4b0acdc6e4adfdc4a9984281a206 (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 21ee79ce938127f88fe07e409c1817f477dbe7ea (git) Affected: 4aae8d1c051ea00b456da6811bc36d1f69de5445 , < 7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7 (git) |
guessed | |
| Linux | Linux |
Affected:
4.5
Unaffected: 0 , < 4.5 (semver) Unaffected: 5.4.300 , ≤ 5.4.* (semver) Unaffected: 5.10.245 , ≤ 5.10.* (semver) Unaffected: 5.15.194 , ≤ 5.15.* (semver) Unaffected: 6.1.155 , ≤ 6.1.* (semver) Unaffected: 6.6.109 , ≤ 6.6.* (semver) Unaffected: 6.12.50 , ≤ 6.12.* (semver) Unaffected: 6.16.10 , ≤ 6.16.* (semver) Unaffected: 6.17 , ≤ * (original_commit_for_fix) |
guessed |
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/hugetlbfs/inode.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "bc1c9ce8aeff45318332035dbef9713fb9e982d7",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "91f548e920fbf8be3f285bfa3fa045ae017e836d",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "3e851448078f5b01f6264915df3cfef75e323a12",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "c9c2a51f91aea70e89b496cac360cd795a2b3c26",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "910d7749346c4b0acdc6e4adfdc4a9984281a206",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "21ee79ce938127f88fe07e409c1817f477dbe7ea",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/hugetlbfs/inode.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.5"
},
{
"lessThan": "4.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.300",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.245",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.194",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.155",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.109",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.50",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"version": "6.16.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.4.300",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.245",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.194",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.155",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.109",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.50",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16.10",
"versionStartIncluding": "4.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17",
"versionStartIncluding": "4.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix folio is still mapped when deleted\n\nMigration may be raced with fallocating hole. remove_inode_single_folio\nwill unmap the folio if the folio is still mapped. However, it\u0027s called\nwithout folio lock. If the folio is migrated and the mapped pte has been\nconverted to migration entry, folio_mapped() returns false, and won\u0027t\nunmap it. Due to extra refcount held by remove_inode_single_folio,\nmigration fails, restores migration entry to normal pte, and the folio is\nmapped again. As a result, we triggered BUG in filemap_unaccount_folio.\n\nThe log is as follows:\n BUG: Bad page cache in process hugetlb pfn:156c00\n page: refcount:515 mapcount:0 mapping:0000000099fef6e1 index:0x0 pfn:0x156c00\n head: order:9 mapcount:1 entire_mapcount:1 nr_pages_mapped:0 pincount:0\n aops:hugetlbfs_aops ino:dcc dentry name(?):\"my_hugepage_file\"\n flags: 0x17ffffc00000c1(locked|waiters|head|node=0|zone=2|lastcpupid=0x1fffff)\n page_type: f4(hugetlb)\n page dumped because: still mapped when deleted\n CPU: 1 UID: 0 PID: 395 Comm: hugetlb Not tainted 6.17.0-rc5-00044-g7aac71907bde-dirty #484 NONE\n Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x4f/0x70\n filemap_unaccount_folio+0xc4/0x1c0\n __filemap_remove_folio+0x38/0x1c0\n filemap_remove_folio+0x41/0xd0\n remove_inode_hugepages+0x142/0x250\n hugetlbfs_fallocate+0x471/0x5a0\n vfs_fallocate+0x149/0x380\n\nHold folio lock before checking if the folio is mapped to avold race with\nmigration."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - Exploitation requires local syscalls only \u2014 `memfd_create(MFD_HUGETLB)`/`mmap` plus `fallocate(FALLOC_FL_PUNCH_HOLE)` racing against `mbind`/`move_pages`. There is no network-reachable path into hugetlbfs fallocate.\nAC:L - The attacker controls both sides of the race with its own threads \u2014 one looping on punch-hole, the other looping on NUMA migration of the same mapping \u2014 and can retry indefinitely at no cost until the window is hit. Per race-condition guidance, attacker-driven races are Low.\nPR:L - `memfd_create(MFD_HUGETLB)` uses HUGETLB_ANONHUGE_INODE and bypasses the `can_do_hugetlb_shm()`/CAP_IPC_LOCK check entirely, and `MPOL_MF_MOVE` on one\u0027s own address space needs no capability, so an ordinary unprivileged local user can reach the whole path.\nUI:N - The attacking process performs every step itself; no victim action, mount, or file open by another user is needed.\nS:U - The vulnerable code and the corrupted resources are both in the host kernel\u0027s memory management, so the impact stays within a single security authority despite the severity.\nC:H - The huge page is unlinked from the page cache with its `mapping` cleared while the attacker retains writable PTEs, and hugetlb folios are explicitly excluded from `filemap_unaccount_folio()`\u0027s recovery heuristic \u2014 leaving a stale mapping to a 2MB page the kernel may recycle to another process, container, or hugepage-backed KVM guest, yielding arbitrary read of that memory.\nI:H - The same stale writable mapping gives an arbitrary-write primitive over whatever the kernel later places in that recycled huge page, and the hugetlb reserve/subpool counters are decremented for a page still in use, corrupting pool accounting \u2014 memory corruption of this class is leveragable for control-flow hijack.\nA:H - The bug\u0027s directly observed symptom is the `BUG: Bad page cache ... still mapped when deleted` report, which is a hard `VM_BUG_ON_FOLIO()` panic under CONFIG_DEBUG_VM and a `TAINT_BAD_PAGE` plus unrecoverable page-cache/hugetlb-pool corruption otherwise, repeatable at will by an unprivileged user."
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-05T12:07:03.344Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/bc1c9ce8aeff45318332035dbef9713fb9e982d7"
},
{
"url": "https://git.kernel.org/stable/c/91f548e920fbf8be3f285bfa3fa045ae017e836d"
},
{
"url": "https://git.kernel.org/stable/c/3e851448078f5b01f6264915df3cfef75e323a12"
},
{
"url": "https://git.kernel.org/stable/c/c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39"
},
{
"url": "https://git.kernel.org/stable/c/c9c2a51f91aea70e89b496cac360cd795a2b3c26"
},
{
"url": "https://git.kernel.org/stable/c/910d7749346c4b0acdc6e4adfdc4a9984281a206"
},
{
"url": "https://git.kernel.org/stable/c/21ee79ce938127f88fe07e409c1817f477dbe7ea"
},
{
"url": "https://git.kernel.org/stable/c/7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7"
}
],
"title": "mm/hugetlb: fix folio is still mapped when deleted",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-40006",
"datePublished": "2025-10-20T15:26:53.097Z",
"dateReserved": "2025-04-16T07:20:57.151Z",
"dateUpdated": "2026-08-05T12:07:03.344Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2025-40006",
"date": "2026-09-26",
"epss": "0.00202",
"percentile": "0.09036"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/hugetlbfs/inode.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "bc1c9ce8aeff45318332035dbef9713fb9e982d7",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "91f548e920fbf8be3f285bfa3fa045ae017e836d",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "3e851448078f5b01f6264915df3cfef75e323a12",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "c9c2a51f91aea70e89b496cac360cd795a2b3c26",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "910d7749346c4b0acdc6e4adfdc4a9984281a206",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "21ee79ce938127f88fe07e409c1817f477dbe7ea",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
},
{
"lessThan": "7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7",
"status": "affected",
"version": "4aae8d1c051ea00b456da6811bc36d1f69de5445",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/hugetlbfs/inode.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.5"
},
{
"lessThan": "4.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.300",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.245",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.194",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.155",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.109",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.50",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"version": "6.16.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/hugetlb: fix folio is still mapped when deleted\n\nMigration may be raced with fallocating hole. remove_inode_single_folio\nwill unmap the folio if the folio is still mapped. However, it\u0027s called\nwithout folio lock. If the folio is migrated and the mapped pte has been\nconverted to migration entry, folio_mapped() returns false, and won\u0027t\nunmap it. Due to extra refcount held by remove_inode_single_folio,\nmigration fails, restores migration entry to normal pte, and the folio is\nmapped again. As a result, we triggered BUG in filemap_unaccount_folio.\n\nThe log is as follows:\n BUG: Bad page cache in process hugetlb pfn:156c00\n page: refcount:515 mapcount:0 mapping:0000000099fef6e1 index:0x0 pfn:0x156c00\n head: order:9 mapcount:1 entire_mapcount:1 nr_pages_mapped:0 pincount:0\n aops:hugetlbfs_aops ino:dcc dentry name(?):\"my_hugepage_file\"\n flags: 0x17ffffc00000c1(locked|waiters|head|node=0|zone=2|lastcpupid=0x1fffff)\n page_type: f4(hugetlb)\n page dumped because: still mapped when deleted\n CPU: 1 UID: 0 PID: 395 Comm: hugetlb Not tainted 6.17.0-rc5-00044-g7aac71907bde-dirty #484 NONE\n Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x4f/0x70\n filemap_unaccount_folio+0xc4/0x1c0\n __filemap_remove_folio+0x38/0x1c0\n filemap_remove_folio+0x41/0xd0\n remove_inode_hugepages+0x142/0x250\n hugetlbfs_fallocate+0x471/0x5a0\n vfs_fallocate+0x149/0x380\n\nHold folio lock before checking if the folio is mapped to avold race with\nmigration."
}
],
"id": "CVE-2025-40006",
"lastModified": "2026-07-30T06:24:05.993",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"type": "Secondary"
}
]
},
"published": "2025-10-20T16:15:37.240",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/21ee79ce938127f88fe07e409c1817f477dbe7ea"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/3e851448078f5b01f6264915df3cfef75e323a12"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7b7387650dcf2881fd8bb55bcf3c8bd6c9542dd7"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/910d7749346c4b0acdc6e4adfdc4a9984281a206"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/91f548e920fbf8be3f285bfa3fa045ae017e836d"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/bc1c9ce8aeff45318332035dbef9713fb9e982d7"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/c1dc0524ab2cc3982d4e0d2bfac71a0cd4d65c39"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/c9c2a51f91aea70e89b496cac360cd795a2b3c26"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Deferred"
}
},
"redhat_vex": {
"current_release_date": "2026-06-28T11:25:43+00:00",
"cve": "CVE-2025-40006",
"id": "CVE-2025-40006",
"initial_release_date": "2025-10-20T15:26:53.097000+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: mm/hugetlb: fix folio is still mapped when deleted",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-40006.json",
"version": "3"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…