232 lines
10 KiB
JSON
232 lines
10 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-2021-47005",
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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": "2024-02-27T18:42:55.952Z",
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"datePublished": "2024-02-28T08:13:25.933Z",
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"dateUpdated": "2026-05-11T13:46:06.962Z"
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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": "2026-05-11T13:46:06.962Z"
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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: endpoint: Fix NULL pointer dereference for ->get_features()\n\nget_features ops of pci_epc_ops may return NULL, causing NULL pointer\ndereference in pci_epf_test_alloc_space function. Let us add a check for\npci_epc_feature pointer in pci_epf_test_bind before we access it to avoid\nany such NULL pointer dereference and return -ENOTSUPP in case\npci_epc_feature is not found.\n\nWhen the patch is not applied and EPC features is not implemented in the\nplatform driver, we see the following dump due to kernel NULL pointer\ndereference.\n\nCall trace:\n pci_epf_test_bind+0xf4/0x388\n pci_epf_bind+0x3c/0x80\n pci_epc_epf_link+0xa8/0xcc\n configfs_symlink+0x1a4/0x48c\n vfs_symlink+0x104/0x184\n do_symlinkat+0x80/0xd4\n __arm64_sys_symlinkat+0x1c/0x24\n el0_svc_common.constprop.3+0xb8/0x170\n el0_svc_handler+0x70/0x88\n el0_svc+0x8/0x640\nCode: d2800581 b9403ab9 f9404ebb 8b394f60 (f9400400)\n---[ end trace a438e3c5a24f9df0 ]---"
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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/endpoint/functions/pci-epf-test.c"
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],
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"versions": [
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{
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"version": "2c04c5b8eef797dca99699cfb55ff42dd3c12c23",
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"lessThan": "bbed83d7060e07a5d309104d25a00f0a24441428",
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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": "2c04c5b8eef797dca99699cfb55ff42dd3c12c23",
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"lessThan": "679ebad058b8168f10e63876d63b0877fd2fe784",
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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": "2c04c5b8eef797dca99699cfb55ff42dd3c12c23",
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"lessThan": "0169d4f0bee44fdfef908c13ed21fcb326c38695",
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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": "2c04c5b8eef797dca99699cfb55ff42dd3c12c23",
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"lessThan": "6613bc2301ba291a1c5a90e1dc24cf3edf223c03",
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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/endpoint/functions/pci-epf-test.c"
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],
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"versions": [
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{
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"version": "5.1",
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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": "5.1",
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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": "5.10.38",
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"lessThanOrEqual": "5.10.*",
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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": "5.11.22",
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"lessThanOrEqual": "5.11.*",
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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": "5.12.5",
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"lessThanOrEqual": "5.12.*",
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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": "5.13",
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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": "5.1",
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"versionEndExcluding": "5.10.38"
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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": "5.1",
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"versionEndExcluding": "5.11.22"
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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": "5.1",
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"versionEndExcluding": "5.12.5"
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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": "5.1",
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"versionEndExcluding": "5.13"
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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/bbed83d7060e07a5d309104d25a00f0a24441428"
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},
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{
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"url": "https://git.kernel.org/stable/c/679ebad058b8168f10e63876d63b0877fd2fe784"
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},
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{
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"url": "https://git.kernel.org/stable/c/0169d4f0bee44fdfef908c13ed21fcb326c38695"
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},
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{
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"url": "https://git.kernel.org/stable/c/6613bc2301ba291a1c5a90e1dc24cf3edf223c03"
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}
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],
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"title": "PCI: endpoint: Fix NULL pointer dereference for ->get_features()",
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"x_generator": {
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"adp": [
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{
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"title": "CISA ADP Vulnrichment",
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2021-47005",
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"role": "CISA Coordinator",
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"options": [
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{
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},
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{
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"Automatable": "no"
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},
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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-02-28T19:13:34.596377Z"
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"providerMetadata": {
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-06-04T17:13:38.382Z"
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"title": "CVE Program Container",
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