143 lines
6.7 KiB
JSON
143 lines
6.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-46268",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-05-13T15:03:33.109Z",
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"datePublished": "2026-06-03T15:50:10.101Z",
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"dateUpdated": "2026-06-03T15:50:10.101Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-06-03T15:50:10.101Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI/P2PDMA: Fix p2pmem_alloc_mmap() warning condition\n\nCommit b7e282378773 has already changed the initial page refcount of\np2pdma page from one to zero, however, in p2pmem_alloc_mmap() it uses\n\"VM_WARN_ON_ONCE_PAGE(!page_ref_count(page))\" to assert the initial page\nrefcount should not be zero and the following will be reported when\nCONFIG_DEBUG_VM is enabled:\n\n page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x380400000\n flags: 0x20000000002000(reserved|node=0|zone=4)\n raw: 0020000000002000 ff1100015e3ab440 0000000000000000 0000000000000000\n raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000\n page dumped because: VM_WARN_ON_ONCE_PAGE(!page_ref_count(page))\n ------------[ cut here ]------------\n WARNING: CPU: 5 PID: 449 at drivers/pci/p2pdma.c:240 p2pmem_alloc_mmap+0x83a/0xa60\n\nFix by using \"page_ref_count(page)\" as the assertion condition."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/pci/p2pdma.c"
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],
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"versions": [
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{
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"version": "b7e2823787735ca009e63f35f164b46df0ef096c",
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"lessThan": "eb9aa9f8010465d927864f5a35bdc5604b0ff51a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b7e2823787735ca009e63f35f164b46df0ef096c",
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"lessThan": "9b69243983fb2f4d4d1f4ef0989bc1296547dc2c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "b7e2823787735ca009e63f35f164b46df0ef096c",
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"lessThan": "cb500023a75246f60b79af9f7321d6e75330c5b5",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/pci/p2pdma.c"
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],
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"versions": [
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{
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"version": "6.15",
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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": "6.15",
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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": "6.18.14",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.4",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.18.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "6.19.4"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.15",
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"versionEndExcluding": "7.0"
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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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{
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"url": "https://git.kernel.org/stable/c/eb9aa9f8010465d927864f5a35bdc5604b0ff51a"
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},
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{
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"url": "https://git.kernel.org/stable/c/9b69243983fb2f4d4d1f4ef0989bc1296547dc2c"
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},
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{
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"url": "https://git.kernel.org/stable/c/cb500023a75246f60b79af9f7321d6e75330c5b5"
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}
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],
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"title": "PCI/P2PDMA: Fix p2pmem_alloc_mmap() warning condition",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |