116 lines
4.4 KiB
JSON
116 lines
4.4 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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"state": "PUBLISHED",
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"cveId": "CVE-2021-4001",
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"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"assignerShortName": "redhat",
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"dateUpdated": "2026-10-08T21:03:26.368Z",
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"dateReserved": "2021-11-22T00:00:00.000Z",
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"datePublished": "2022-01-21T00:00:00.000Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
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"shortName": "redhat",
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"dateUpdated": "2022-10-07T00:00:00.000Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space. This flaw affects kernel versions prior to 5.16 rc2."
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}
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],
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"affected": [
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{
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"vendor": "n/a",
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"product": "kernel",
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"versions": [
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{
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"version": "kernel 5.16 rc2",
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"status": "affected"
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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://bugzilla.redhat.com/show_bug.cgi?id=2025645"
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},
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=353050be4c19e102178ccc05988101887c25ae53"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"lang": "en",
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"description": "CWE-367",
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"cweId": "CWE-367"
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}
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]
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}
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]
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},
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"adp": [
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{
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2024-08-03T17:16:03.566Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2025645",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=353050be4c19e102178ccc05988101887c25ae53",
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"tags": [
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"x_transferred"
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]
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}
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]
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},
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{
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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-2021-4001",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-08T21:00:08.810482Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-10-08T21:03:26.368Z"
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}
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}
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]
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}
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} |