378 lines
17 KiB
JSON
378 lines
17 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-2025-38465",
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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": "2025-04-16T04:51:24.020Z",
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"datePublished": "2025-07-25T15:27:47.510Z",
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"dateUpdated": "2026-11-05T21:02:39.744Z"
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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": "2026-05-11T21:28:32.252Z"
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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\nnetlink: Fix wraparounds of sk->sk_rmem_alloc.\n\nNetlink has this pattern in some places\n\n if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf)\n \tatomic_add(skb->truesize, &sk->sk_rmem_alloc);\n\n, which has the same problem fixed by commit 5a465a0da13e (\"udp:\nFix multiple wraparounds of sk->sk_rmem_alloc.\").\n\nFor example, if we set INT_MAX to SO_RCVBUFFORCE, the condition\nis always false as the two operands are of int.\n\nThen, a single socket can eat as many skb as possible until OOM\nhappens, and we can see multiple wraparounds of sk->sk_rmem_alloc.\n\nLet's fix it by using atomic_add_return() and comparing the two\nvariables as unsigned int.\n\nBefore:\n [root@fedora ~]# ss -f netlink\n Recv-Q Send-Q Local Address:Port Peer Address:Port\n -1668710080 0 rtnl:nl_wraparound/293 *\n\nAfter:\n [root@fedora ~]# ss -f netlink\n Recv-Q Send-Q Local Address:Port Peer Address:Port\n 2147483072 0 rtnl:nl_wraparound/290 *\n ^\n `--- INT_MAX - 576"
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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/netlink/af_netlink.c"
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],
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"versions": [
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{
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"status": "affected",
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},
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{
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"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "55baecb9eb90238f60a8350660d6762046ebd3bd",
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{
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"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "4b8e18af7bea92f8b7fb92d40aeae729209db250",
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"status": "affected",
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{
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"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
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"lessThan": "cd7ff61bfffd7000143c42bbffb85eeb792466d6",
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{
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"net/netlink/af_netlink.c"
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],
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"versions": [
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{
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"version": "2.6.12",
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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": "2.6.12",
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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": "5.4.296",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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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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"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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"cpeApplicability": [
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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": "2.6.12",
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"versionEndExcluding": "5.4.296"
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},
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{
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"url": "https://git.kernel.org/stable/c/c4ceaac5c5ba0b992ee1dc88e2a02421549e5c98"
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{
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"url": "https://git.kernel.org/stable/c/fd69af06101090eaa60b3d216ae715f9c0a58e5b"
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{
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"url": "https://git.kernel.org/stable/c/76602d8e13864524382b0687dc32cd8f19164d5a"
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},
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"url": "https://git.kernel.org/stable/c/4b8e18af7bea92f8b7fb92d40aeae729209db250"
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"url": "https://git.kernel.org/stable/c/cd7ff61bfffd7000143c42bbffb85eeb792466d6"
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{
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"url": "https://git.kernel.org/stable/c/ae8f160e7eb24240a2a79fc4c815c6a0d4ee16cc"
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}
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],
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"title": "netlink: Fix wraparounds of sk->sk_rmem_alloc.",
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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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{
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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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"dateUpdated": "2025-11-03T17:38:27.585Z"
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},
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"content": {
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"id": "CVE-2025-38465",
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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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"Technical Impact": "partial"
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"version": "2.0.3",
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"timestamp": "2026-11-05T20:57:21.726688Z"
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}
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} |