289 lines
13 KiB
JSON
289 lines
13 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-2024-42161",
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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": "2024-07-29T15:50:41.196Z",
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"datePublished": "2024-07-30T07:47:03.136Z",
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"dateUpdated": "2026-05-11T20:28:10.007Z"
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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": "2026-05-11T20:28:10.007Z"
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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\nbpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD\n\n[Changes from V1:\n - Use a default branch in the switch statement to initialize `val'.]\n\nGCC warns that `val' may be used uninitialized in the\nBPF_CRE_READ_BITFIELD macro, defined in bpf_core_read.h as:\n\n\t[...]\n\tunsigned long long val;\t\t\t\t\t\t \\\n\t[...]\t\t\t\t\t\t\t\t \\\n\tswitch (__CORE_RELO(s, field, BYTE_SIZE)) {\t\t\t \\\n\tcase 1: val = *(const unsigned char *)p; break;\t\t\t \\\n\tcase 2: val = *(const unsigned short *)p; break;\t\t \\\n\tcase 4: val = *(const unsigned int *)p; break;\t\t\t \\\n\tcase 8: val = *(const unsigned long long *)p; break;\t\t \\\n } \t\t\t\t\t\t\t \\\n\t[...]\n\tval;\t\t\t\t\t\t\t\t \\\n\t}\t\t\t\t\t\t\t\t \\\n\nThis patch adds a default entry in the switch statement that sets\n`val' to zero in order to avoid the warning, and random values to be\nused in case __builtin_preserve_field_info returns unexpected values\nfor BPF_FIELD_BYTE_SIZE.\n\nTested in bpf-next master.\nNo regressions."
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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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"tools/lib/bpf/bpf_core_read.h"
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],
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"versions": [
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{
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"version": "ee26dade0e3bcd8a34ae7520e373fb69365fce7a",
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"lessThan": "b694989bb13ed5f166e633faa1eb0f21c6d261a6",
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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": "ee26dade0e3bcd8a34ae7520e373fb69365fce7a",
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"lessThan": "3364c2ed1c241989847f19cf83e3db903ce689e3",
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"status": "affected",
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"versionType": "git"
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},
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"lessThan": "a21d76bd0b0d39518e9a4c19f6cf7c042a974aff",
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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": "ee26dade0e3bcd8a34ae7520e373fb69365fce7a",
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"lessThan": "7e5471b5efebc30dd0bc035cda86693a5c73d45f",
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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": "ee26dade0e3bcd8a34ae7520e373fb69365fce7a",
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"lessThan": "ff941a8449e712eaf7efca1a13bfb9afd3d99fc2",
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"status": "affected",
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"versionType": "git"
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},
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{
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"lessThan": "009367099eb61a4fc2af44d4eb06b6b4de7de6db",
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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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"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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"tools/lib/bpf/bpf_core_read.h"
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],
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"versions": [
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{
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"version": "5.5",
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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": "5.5",
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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": "5.10.222",
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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": "5.15.163",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.98",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.39",
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"lessThanOrEqual": "6.6.*",
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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": "6.9.9",
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"lessThanOrEqual": "6.9.*",
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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": "6.10",
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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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"nodes": [
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.10.222"
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"url": "https://git.kernel.org/stable/c/b694989bb13ed5f166e633faa1eb0f21c6d261a6"
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"url": "https://git.kernel.org/stable/c/3364c2ed1c241989847f19cf83e3db903ce689e3"
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"url": "https://git.kernel.org/stable/c/009367099eb61a4fc2af44d4eb06b6b4de7de6db"
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}
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],
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"title": "bpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD",
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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-2024-42161",
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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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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2024-09-10T16:14:52.496894Z"
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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} |