298 lines
15 KiB
JSON
298 lines
15 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-2022-49029",
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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": "2024-08-22T01:27:53.651Z",
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"datePublished": "2024-10-21T20:06:33.918Z",
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"dateUpdated": "2026-08-05T08:53:33.547Z"
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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": "2026-08-05T08:53:33.547Z"
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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\nhwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails\n\nSmatch report warning as follows:\n\ndrivers/hwmon/ibmpex.c:509 ibmpex_register_bmc() warn:\n '&data->list' not removed from list\n\nIf ibmpex_find_sensors() fails in ibmpex_register_bmc(), data will\nbe freed, but data->list will not be removed from driver_data.bmc_data,\nthen list traversal may cause UAF.\n\nFix by removeing it from driver_data.bmc_data before free()."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The ibmpex driver registers via an IPMI SMI watcher callback and talks to the local BMC over the IPMI system interface; an attacker needs local access on an affected IBM System X host, not network or adjacent-segment reachability.\nAC:L - Once ibmpex_find_sensors() fails after the list_add, the stale list entry is deterministic and the subsequent UAF on list traversal requires no race the attacker cannot influence; UAF bugs are scored AC:L unless an uncontrolled race is required.\nPR:L - On multi-user/datacenter IBM System X deployments the vulnerable driver can be present for a local unprivileged user, and when choosing between PR:L and PR:H the higher-severity option is required; this matches the worst reasonable local attacker model.\nUI:N - Exploitation does not require a victim to perform any action such as mounting a filesystem or opening a malicious file; the UAF follows from driver registration failure and later list traversal.\nS:U - This is a standard in-kernel use-after-free within the host kernel's authority and does not cross a VM, IOMMU, or other security boundary.\nC:H - Use-after-free of the ibmpex_bmc_data object on a traversable list enables heap reuse and arbitrary read primitives under standard kernel UAF exploitation.\nI:H - The same UAF enables heap spraying and control of the freed object's contents, yielding write/control-flow hijack primitives consistent with kernel memory-corruption impact.\nA:H - Traversing the dangling list entry can crash or oops the kernel (and UAF bugs are scored A:H even when not fully exploited for code execution)."
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}
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]
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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/hwmon/ibmpex.c"
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],
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"versions": [
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{
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"version": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "f2a13196ad41c6c2ab058279dffe6c97292e753a",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "798198273bf86673b970b51acdb35e57f42b3fcb",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "24b9633f7db7f4809be7053df1d2e117e7c2de10",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "7b2b67fe1339389e0bf3c37c7a677a004ac0e4e3",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "90907cd4d11351ff76c9a447bcb5db0e264c47cd",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "45f6e81863747c0d7bc6a95ec51129900e71467a",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "e65cfd1f9cd27d9c27ee5cb88128a9f79f25d863",
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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": "57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab",
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"lessThan": "e2a87785aab0dac190ac89be6a9ba955e2c634f2",
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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/hwmon/ibmpex.c"
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],
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"versions": [
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{
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"version": "2.6.24",
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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": "2.6.24",
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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": "4.9.335",
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"lessThanOrEqual": "4.9.*",
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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": "4.14.301",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.268",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.226",
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"lessThanOrEqual": "5.4.*",
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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": "5.10.158",
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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": "5.15.82",
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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": "6.0.12",
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"lessThanOrEqual": "6.0.*",
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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",
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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": "2.6.24",
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"versionEndExcluding": "4.9.335"
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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": "2.6.24",
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"versionEndExcluding": "4.14.301"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "2.6.24",
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"versionEndExcluding": "4.19.268"
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},
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"versionStartIncluding": "2.6.24",
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"versionEndExcluding": "5.4.226"
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"versionStartIncluding": "2.6.24",
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"versionEndExcluding": "6.0.12"
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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/f2a13196ad41c6c2ab058279dffe6c97292e753a"
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},
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{
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"url": "https://git.kernel.org/stable/c/798198273bf86673b970b51acdb35e57f42b3fcb"
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},
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{
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"url": "https://git.kernel.org/stable/c/24b9633f7db7f4809be7053df1d2e117e7c2de10"
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},
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{
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"url": "https://git.kernel.org/stable/c/7b2b67fe1339389e0bf3c37c7a677a004ac0e4e3"
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},
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{
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"url": "https://git.kernel.org/stable/c/90907cd4d11351ff76c9a447bcb5db0e264c47cd"
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},
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{
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"url": "https://git.kernel.org/stable/c/45f6e81863747c0d7bc6a95ec51129900e71467a"
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},
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{
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"url": "https://git.kernel.org/stable/c/e65cfd1f9cd27d9c27ee5cb88128a9f79f25d863"
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},
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{
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"url": "https://git.kernel.org/stable/c/e2a87785aab0dac190ac89be6a9ba955e2c634f2"
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}
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],
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"title": "hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails",
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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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"adp": [
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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-2022-49029",
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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": "2024-10-22T13:11:29.003244Z"
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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": "2024-10-22T13:18:36.071Z"
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}
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}
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]
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}
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} |