252 lines
12 KiB
JSON
252 lines
12 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-2026-23124",
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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": "2026-01-13T15:37:45.970Z",
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"datePublished": "2026-02-14T15:09:54.043Z",
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"dateUpdated": "2026-10-19T18:25:32.245Z"
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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": "2026-05-11T22:00:35.572Z"
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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\nipv6: annotate data-race in ndisc_router_discovery()\n\nsyzbot found that ndisc_router_discovery() could read and write\nin6_dev->ra_mtu without holding a lock [1]\n\nThis looks fine, IFLA_INET6_RA_MTU is best effort.\n\nAdd READ_ONCE()/WRITE_ONCE() to document the race.\n\nNote that we might also reject illegal MTU values\n(mtu < IPV6_MIN_MTU || mtu > skb->dev->mtu) in a future patch.\n\n[1]\nBUG: KCSAN: data-race in ndisc_router_discovery / ndisc_router_discovery\n\nread to 0xffff888119809c20 of 4 bytes by task 25817 on cpu 1:\n ndisc_router_discovery+0x151d/0x1c90 net/ipv6/ndisc.c:1558\n ndisc_rcv+0x2ad/0x3d0 net/ipv6/ndisc.c:1841\n icmpv6_rcv+0xe5a/0x12f0 net/ipv6/icmp.c:989\n ip6_protocol_deliver_rcu+0xb2a/0x10d0 net/ipv6/ip6_input.c:438\n ip6_input_finish+0xf0/0x1d0 net/ipv6/ip6_input.c:489\n NF_HOOK include/linux/netfilter.h:318 [inline]\n ip6_input+0x5e/0x140 net/ipv6/ip6_input.c:500\n ip6_mc_input+0x27c/0x470 net/ipv6/ip6_input.c:590\n dst_input include/net/dst.h:474 [inline]\n ip6_rcv_finish+0x336/0x340 net/ipv6/ip6_input.c:79\n...\n\nwrite to 0xffff888119809c20 of 4 bytes by task 25816 on cpu 0:\n ndisc_router_discovery+0x155a/0x1c90 net/ipv6/ndisc.c:1559\n ndisc_rcv+0x2ad/0x3d0 net/ipv6/ndisc.c:1841\n icmpv6_rcv+0xe5a/0x12f0 net/ipv6/icmp.c:989\n ip6_protocol_deliver_rcu+0xb2a/0x10d0 net/ipv6/ip6_input.c:438\n ip6_input_finish+0xf0/0x1d0 net/ipv6/ip6_input.c:489\n NF_HOOK include/linux/netfilter.h:318 [inline]\n ip6_input+0x5e/0x140 net/ipv6/ip6_input.c:500\n ip6_mc_input+0x27c/0x470 net/ipv6/ip6_input.c:590\n dst_input include/net/dst.h:474 [inline]\n ip6_rcv_finish+0x336/0x340 net/ipv6/ip6_input.c:79\n...\n\nvalue changed: 0x00000000 -> 0xe5400659"
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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/ipv6/ndisc.c"
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],
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"versions": [
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{
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"version": "49b99da2c9ce13ffcd93fe3a0f5670791c1d76f7",
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"lessThan": "4630897eb1a039b5d7b737b8dc9521d9d4b568b5",
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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": "49b99da2c9ce13ffcd93fe3a0f5670791c1d76f7",
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"lessThan": "2619499169fb1c2ac4974b0f2d87767fb543582b",
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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": "49b99da2c9ce13ffcd93fe3a0f5670791c1d76f7",
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"lessThan": "fad8f4ff7928f4d52a062ffdcffa484989c79c47",
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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": "49b99da2c9ce13ffcd93fe3a0f5670791c1d76f7",
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"lessThan": "2a2b9d25f801afecf2f83cacce98afa8fd73e3c9",
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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": "49b99da2c9ce13ffcd93fe3a0f5670791c1d76f7",
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"lessThan": "e3c1040252e598f7b4e33a42dc7c38519bc22428",
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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": "49b99da2c9ce13ffcd93fe3a0f5670791c1d76f7",
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"lessThan": "9a063f96d87efc3a6cc667f8de096a3d38d74bb5",
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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/ipv6/ndisc.c"
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],
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"versions": [
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{
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"version": "5.15",
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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": "5.15",
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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": "5.15.199",
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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": "6.1.162",
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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": "6.6.122",
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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": "6.12.68",
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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": "6.18.8",
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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": "6.19",
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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": "5.15",
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"versionEndExcluding": "5.15.199"
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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": "5.15",
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"versionEndExcluding": "6.1.162"
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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": "5.15",
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"versionEndExcluding": "6.6.122"
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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": "5.15",
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"versionEndExcluding": "6.12.68"
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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": "5.15",
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"versionEndExcluding": "6.18.8"
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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": "5.15",
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"versionEndExcluding": "6.19"
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}
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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/4630897eb1a039b5d7b737b8dc9521d9d4b568b5"
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},
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{
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"url": "https://git.kernel.org/stable/c/2619499169fb1c2ac4974b0f2d87767fb543582b"
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},
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{
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"url": "https://git.kernel.org/stable/c/fad8f4ff7928f4d52a062ffdcffa484989c79c47"
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},
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{
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"url": "https://git.kernel.org/stable/c/2a2b9d25f801afecf2f83cacce98afa8fd73e3c9"
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},
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{
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"url": "https://git.kernel.org/stable/c/e3c1040252e598f7b4e33a42dc7c38519bc22428"
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},
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{
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"url": "https://git.kernel.org/stable/c/9a063f96d87efc3a6cc667f8de096a3d38d74bb5"
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}
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],
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"title": "ipv6: annotate data-race in ndisc_router_discovery()",
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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-2026-23124",
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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": "2026-06-10T20:40:30.553217Z"
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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": "2026-10-19T18:25:32.245Z"
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}
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}
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]
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}
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} |