357 lines
16 KiB
JSON
357 lines
16 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-2025-38067",
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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": "2025-04-16T04:51:23.980Z",
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"datePublished": "2025-06-18T09:33:45.518Z",
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"dateUpdated": "2026-11-05T20:52:14.565Z"
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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": "2026-05-11T21:20:37.845Z"
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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\nrseq: Fix segfault on registration when rseq_cs is non-zero\n\nThe rseq_cs field is documented as being set to 0 by user-space prior to\nregistration, however this is not currently enforced by the kernel. This\ncan result in a segfault on return to user-space if the value stored in\nthe rseq_cs field doesn't point to a valid struct rseq_cs.\n\nThe correct solution to this would be to fail the rseq registration when\nthe rseq_cs field is non-zero. However, some older versions of glibc\nwill reuse the rseq area of previous threads without clearing the\nrseq_cs field and will also terminate the process if the rseq\nregistration fails in a secondary thread. This wasn't caught in testing\nbecause in this case the leftover rseq_cs does point to a valid struct\nrseq_cs.\n\nWhat we can do is clear the rseq_cs field on registration when it's\nnon-zero which will prevent segfaults on registration and won't break\nthe glibc versions that reuse rseq areas on thread creation."
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}
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],
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{
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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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"kernel/rseq.c"
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],
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"status": "affected",
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]
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{
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"product": "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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"kernel/rseq.c"
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],
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"versions": [
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{
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"version": "4.18",
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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": "4.18",
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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": "5.10.240",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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},
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{
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"version": "5.15.189",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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},
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{
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"version": "6.1.146",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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},
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{
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"version": "6.6.99",
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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": "6.12.39",
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"lessThanOrEqual": "6.12.*",
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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": "6.14.9",
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"lessThanOrEqual": "6.14.*",
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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": "6.15",
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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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"cpeMatch": [
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.18",
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"versionEndExcluding": "5.10.240"
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"references": [
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"url": "https://git.kernel.org/stable/c/48900d839a3454050fd5822e34be8d54c4ec9b86"
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"url": "https://git.kernel.org/stable/c/fd881d0a085fc54354414aed990ccf05f282ba53"
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}
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],
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"title": "rseq: Fix segfault on registration when rseq_cs is non-zero",
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"dateUpdated": "2025-11-03T17:33:36.482Z"
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"id": "CVE-2025-38067",
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"role": "CISA Coordinator",
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{
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"Exploitation": "none"
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},
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} |