310 lines
15 KiB
JSON
310 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-2026-52988",
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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": "2026-06-09T07:44:35.376Z",
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"datePublished": "2026-06-24T16:29:02.580Z",
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"dateUpdated": "2026-10-19T19:47:12.239Z"
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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": "2026-10-03T10:55:33.999Z"
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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\nnetfilter: nf_tables: join hook list via splice_list_rcu() in commit phase\n\nPublish new hooks in the list into the basechain/flowtable using\nsplice_list_rcu() to ensure netlink dump list traversal via rcu is safe\nwhile concurrent ruleset update is going on."
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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:N/A:H",
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"baseScore": 7.1,
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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 - Reachability is through nfnetlink/nftables netlink operations (`NFT_MSG_NEWCHAIN`/`NEWFLOWTABLE` and concurrent `GETCHAIN`/`GETFLOWTABLE` dumps), which require local ability to send netlink messages.\nAC:L - The bug is a race between an attacker-controlled ruleset update and an attacker-controlled concurrent RCU dump; both sides can be generated repeatedly from local processes.\nPR:L - nfnetlink checks `CAP_NET_ADMIN` in the target network namespace, and nftables/netfilter administration is reachable from unprivileged users via user+network namespaces on affected configurations.\nUI:N - No victim interaction is required; the attacker triggers both the update and dump operations directly.\nS:U - The impact remains within the kernel/local host security authority and does not cross a VM, IOMMU, or separate security-scope boundary.\nC:H - Unsafe non-RCU list publication can make an RCU netlink dump interpret a transaction list head or freed transaction memory as `struct nft_hook`, leading to out-of-bounds/use-after-free reads returned through netlink hook device-name serialization.\nI:N - The reachable affected dump path reads hook-list entries and serializes names; I did not find a defensible attacker-controlled write or control-flow primitive from this bug.\nA:H - The malformed RCU traversal can dereference invalid/freed memory or loop over an inconsistent list, making kernel oops, panic, or soft lockup a plausible outcome."
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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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"net/netfilter/nf_tables_api.c"
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],
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"versions": [
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{
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"version": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "ed8d3bd8272e49ea987100de2abfb13710329a9b",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "8fdd2204503ab1ce07dc000c277e2c3edf96a67b",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "5593c640f9daedec8de61555c41e1019fa675aa6",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "00e370627f2e1fb3585f9d26348b1abddc75442b",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "28ecfb3d1fe8dea70319de7051cb6718c25b5b52",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "a557816c6e38e9473d99aa9ea8c662f55fc85847",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "1346be9379639c30877083b12747d4eacb83c24f",
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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": "78d9f48f7f44431a25da2b46b3a8812f6ff2b981",
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"lessThan": "a6134e62dba2ea4f760b29d5226907f447c92400",
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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/netfilter/nf_tables_api.c"
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],
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"versions": [
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{
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"version": "5.8",
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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": "5.8",
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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": "5.10.271",
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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": "5.15.222",
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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": "6.1.189",
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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": "6.6.158",
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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": "6.12.112",
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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": "6.18.55",
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"lessThanOrEqual": "6.18.*",
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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": "7.0.10",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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": "5.8",
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"versionEndExcluding": "5.10.271"
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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": "5.15.222"
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},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "6.1.189"
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"versionEndExcluding": "6.6.158"
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/ed8d3bd8272e49ea987100de2abfb13710329a9b"
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},
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{
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"url": "https://git.kernel.org/stable/c/8fdd2204503ab1ce07dc000c277e2c3edf96a67b"
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},
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{
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"url": "https://git.kernel.org/stable/c/5593c640f9daedec8de61555c41e1019fa675aa6"
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},
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{
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"url": "https://git.kernel.org/stable/c/00e370627f2e1fb3585f9d26348b1abddc75442b"
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},
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{
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"url": "https://git.kernel.org/stable/c/28ecfb3d1fe8dea70319de7051cb6718c25b5b52"
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},
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{
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"url": "https://git.kernel.org/stable/c/a557816c6e38e9473d99aa9ea8c662f55fc85847"
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},
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{
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"url": "https://git.kernel.org/stable/c/1346be9379639c30877083b12747d4eacb83c24f"
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},
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{
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"url": "https://git.kernel.org/stable/c/a6134e62dba2ea4f760b29d5226907f447c92400"
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}
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],
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"title": "netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase",
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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-2026-52988",
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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": "2026-10-16T15:24:11.399025Z"
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}
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}
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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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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-362",
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"description": "CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"
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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": "2026-10-19T19:47:12.239Z"
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}
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}
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]
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}
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} |