363 lines
18 KiB
JSON
363 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-2023-53179",
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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": "2025-09-15T13:59:19.065Z",
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"datePublished": "2025-09-15T14:04:26.782Z",
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"dateUpdated": "2026-10-15T21:41:27.430Z"
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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": "2026-08-05T09:12:57.491Z"
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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: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c\n\nThe missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can\nlead to the use of wrong `CIDR_POS(c)` for calculating array offsets,\nwhich can lead to integer underflow. As a result, it leads to slab\nout-of-bound access.\nThis patch adds back the IP_SET_HASH_WITH_NET0 macro to\nip_set_hash_netportnet to address the issue."
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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:H/A:H",
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"baseScore": 7.8,
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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 - The bug is triggered via nfnetlink netlink messages (ipset create/add on hash:net,port,net), which require a local syscall path (sendto/netlink_sendmsg), not remote packet processing.\nAC:L - An attacker can reliably trigger the OOB by creating a hash:net,port,net set and adding an entry with CIDR 0; no race or victim-controlled state is required, and on amd64 the underflow consistently indexes at -1.\nPR:L - nfnetlink only requires CAP_NET_ADMIN via netlink_net_capable over the network namespace's user_ns, which an unprivileged local user can obtain with user+network namespaces (unshare -Urn).\nUI:N - Exploitation is fully attacker-driven through netlink ipset commands and does not require any victim action.\nS:U - This is a standard in-kernel privilege escalation within the same OS security authority; it does not cross VM, IOMMU, or other security boundaries.\nC:H - The OOB increment/decrement of adjacent slab objects can corrupt length/pointer fields to obtain out-of-bounds read primitives, enabling arbitrary kernel memory disclosure.\nI:H - Controlled OOB ++/-- on slab memory adjacent to h->nets provides a write primitive that the discoverer assessed as likely exploitable for privilege escalation and arbitrary modification.\nA:H - The out-of-bounds access can crash the kernel (UBSAN/panic demonstrated in the public PoC), so availability impact is high."
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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/ipset/ip_set_hash_netportnet.c"
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],
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"versions": [
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{
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"version": "0d5d0b5c41f766355f2b42c47d13ea001f754c7d",
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"lessThan": "7935b636dd693dfe4483cfef4a1e91366c8103fa",
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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": "cb3e590df429ce151d5041884a4947099b8ad6a7",
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"lessThan": "e632d09dffc68b9602d6893a99bfe3001d36cefc",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "109e830585e89a03d554bf8ad0e668630d0a6260",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "83091f8ac03f118086596f17c9a52d31d6ca94b3",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "a9e6142e5f8f6ac7d1bca45c1b2b13b084ea9e14",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "7ca0706c68adadf86a36b60dca090f5e9481e808",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "d59b6fc405549f7caf31f6aa5da1d6bef746b166",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "d95c8420efe684b964e3aa28108e9a354bcd7225",
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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": "886503f34d63e681662057448819edb5b1057a97",
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"lessThan": "050d91c03b28ca479df13dfb02bcd2c60dd6a878",
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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": "186642845b02e1a7944ef33c3a3ac41eba77517f",
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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": "919560afc21f91ca352a20394d5249aba1799690",
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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": "4.14.84",
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"lessThan": "4.14.326",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.19.5",
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"lessThan": "4.19.295",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.4.165",
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"lessThan": "4.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "4.9.141",
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"lessThan": "4.10",
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"status": "affected",
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"versionType": "semver"
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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/ipset/ip_set_hash_netportnet.c"
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],
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"versions": [
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{
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"version": "4.20",
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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": "4.20",
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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": "4.14.326",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.295",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.257",
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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": "5.10.195",
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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": "5.15.132",
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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": "6.1.53",
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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": "6.4.16",
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"lessThanOrEqual": "6.4.*",
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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": "6.5.3",
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"lessThanOrEqual": "6.5.*",
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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",
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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": "4.14.84",
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"versionEndExcluding": "4.14.326"
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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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]
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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/7935b636dd693dfe4483cfef4a1e91366c8103fa"
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},
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{
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"url": "https://git.kernel.org/stable/c/e632d09dffc68b9602d6893a99bfe3001d36cefc"
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},
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{
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"url": "https://git.kernel.org/stable/c/109e830585e89a03d554bf8ad0e668630d0a6260"
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},
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{
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"url": "https://git.kernel.org/stable/c/83091f8ac03f118086596f17c9a52d31d6ca94b3"
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},
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{
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"url": "https://git.kernel.org/stable/c/a9e6142e5f8f6ac7d1bca45c1b2b13b084ea9e14"
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},
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{
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"url": "https://git.kernel.org/stable/c/7ca0706c68adadf86a36b60dca090f5e9481e808"
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},
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{
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"url": "https://git.kernel.org/stable/c/d59b6fc405549f7caf31f6aa5da1d6bef746b166"
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},
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{
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"url": "https://git.kernel.org/stable/c/d95c8420efe684b964e3aa28108e9a354bcd7225"
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},
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{
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"url": "https://git.kernel.org/stable/c/050d91c03b28ca479df13dfb02bcd2c60dd6a878"
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}
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],
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"title": "netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c",
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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-2023-53179",
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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": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-15T21:34:11.541488Z"
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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": "2026-10-15T21:41:27.430Z"
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}
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}
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]
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}
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} |