378 lines
18 KiB
JSON
378 lines
18 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-2025-38457",
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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": "2025-04-16T04:51:24.019Z",
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"datePublished": "2025-07-25T15:27:36.226Z",
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"dateUpdated": "2026-11-05T21:02:39.162Z"
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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": "2026-05-11T21:28:22.656Z"
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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\nnet/sched: Abort __tc_modify_qdisc if parent class does not exist\n\nLion's patch [1] revealed an ancient bug in the qdisc API.\nWhenever a user creates/modifies a qdisc specifying as a parent another\nqdisc, the qdisc API will, during grafting, detect that the user is\nnot trying to attach to a class and reject. However grafting is\nperformed after qdisc_create (and thus the qdiscs' init callback) is\nexecuted. In qdiscs that eventually call qdisc_tree_reduce_backlog\nduring init or change (such as fq, hhf, choke, etc), an issue\narises. For example, executing the following commands:\n\nsudo tc qdisc add dev lo root handle a: htb default 2\nsudo tc qdisc add dev lo parent a: handle beef fq\n\nQdiscs such as fq, hhf, choke, etc unconditionally invoke\nqdisc_tree_reduce_backlog() in their control path init() or change() which\nthen causes a failure to find the child class; however, that does not stop\nthe unconditional invocation of the assumed child qdisc's qlen_notify with\na null class. All these qdiscs make the assumption that class is non-null.\n\nThe solution is ensure that qdisc_leaf() which looks up the parent\nclass, and is invoked prior to qdisc_create(), should return failure on\nnot finding the class.\nIn this patch, we leverage qdisc_leaf to return ERR_PTRs whenever the\nparentid doesn't correspond to a class, so that we can detect it\nearlier on and abort before qdisc_create is called.\n\n[1] https://lore.kernel.org/netdev/d912cbd7-193b-4269-9857-525bee8bbb6a@gmail.com/"
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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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"net/sched/sch_api.c"
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],
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"versions": [
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{
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"version": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "923a276c74e25073ae391e930792ac86a9f77f1e",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "90436e72c9622c2f70389070088325a3232d339f",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "25452638f133ac19d75af3f928327d8016952c8e",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "23c165dde88eac405eebb59051ea1fe139a45803",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "4c691d1b6b6dbd73f30ed9ee7da05f037b0c49af",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "8ecd651ef24ab50123692a4e3e25db93cb11602a",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "e28a383d6485c3bb51dc5953552f76c4dea33eea",
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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": "5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6",
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"lessThan": "ffdde7bf5a439aaa1955ebd581f5c64ab1533963",
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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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"net/sched/sch_api.c"
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],
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"versions": [
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{
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"version": "2.6.20",
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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": "2.6.20",
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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": "5.4.296",
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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": "5.10.240",
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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": "5.15.189",
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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": "6.1.146",
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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": "6.6.99",
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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": "6.15.7",
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"lessThanOrEqual": "6.15.*",
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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": "6.16",
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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": "2.6.20",
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"versionEndExcluding": "5.4.296"
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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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"versionEndExcluding": "5.10.240"
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},
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"versionEndExcluding": "5.15.189"
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"versionEndExcluding": "6.1.146"
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},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/923a276c74e25073ae391e930792ac86a9f77f1e"
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},
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{
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"url": "https://git.kernel.org/stable/c/90436e72c9622c2f70389070088325a3232d339f"
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},
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{
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"url": "https://git.kernel.org/stable/c/25452638f133ac19d75af3f928327d8016952c8e"
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},
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{
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"url": "https://git.kernel.org/stable/c/23c165dde88eac405eebb59051ea1fe139a45803"
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},
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{
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"url": "https://git.kernel.org/stable/c/4c691d1b6b6dbd73f30ed9ee7da05f037b0c49af"
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},
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{
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"url": "https://git.kernel.org/stable/c/8ecd651ef24ab50123692a4e3e25db93cb11602a"
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},
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{
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"url": "https://git.kernel.org/stable/c/e28a383d6485c3bb51dc5953552f76c4dea33eea"
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},
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{
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"url": "https://git.kernel.org/stable/c/ffdde7bf5a439aaa1955ebd581f5c64ab1533963"
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}
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],
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"title": "net/sched: Abort __tc_modify_qdisc if parent class does not exist",
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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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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"
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}
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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": "2025-11-03T17:38:14.193Z"
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}
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},
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{
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"x_adpType": "supplier",
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-10-15T01:07:17.428Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.5",
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"lessThan": "*",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unknown"
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},
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.5",
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"lessThan": "*",
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"versionType": "custom"
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}
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],
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},
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.5",
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"versions": [
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{
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"status": "affected",
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"version": "V3.1.5",
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"lessThan": "*",
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},
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"versions": [
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-082556.html"
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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-2025-38457",
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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": "2026-11-05T20:57:08.811123Z"
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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": "2026-11-05T21:02:39.162Z"
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}
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}
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]
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}
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} |