248 lines
12 KiB
JSON
248 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-2026-98013",
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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": "2026-09-25T10:19:56.069Z",
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"datePublished": "2026-09-25T10:23:36.527Z",
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"dateUpdated": "2026-10-19T09:12:18.653Z"
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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": "2026-10-19T09:12:18.653Z"
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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: fq_pie: clamp quantum in change path\n\nfq_pie_change() accepts any quantum value from userspace, including 1.\nWith a crafted size table qdisc_pkt_len reaches ~2 GiB, so quantum=1\nmakes the deficit-refill loop spin ~2^31 times under the qdisc lock\n(a soft lockup / denial of service).\n\nAdd max(256U, ...) matching fq_codel_change().\n\nConditions to recreate the bug:\n CONFIG_NET_SCH_FQ_PIE=y. Requires CAP_NET_ADMIN (namespace-local via\n unshare -Urn suffices).\n\n tc qdisc add dev dummy0 root fq_pie\n tc qdisc change dev dummy0 root fq_pie quantum 1 stab data 32768 size_log 15 cell_log 0"
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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_fq_pie.c"
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],
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"versions": [
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{
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"version": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "ff4f3a0f3abd2ded467931d7da7984a68a768e0b",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "749aaebc1eb92ce2f38fd3caf68a2f99686d84ef",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "8fd98e56c41f79278eeb67512c28d7abc175bcf4",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "215df1e953ae72a09d425ec188e054058ae23dc9",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "f90fe65b977e7aa9eb302230a09eb18f8c32ceaa",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "c11e3a39807eb5a200445ae9082843ab86800415",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "6655b56e2801008566c594ef231f6c7b3f716c61",
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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": "ec97ecf1ebe485a17cd8395a5f35e6b80b57665a",
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"lessThan": "4864f58c53eb47257d55e01f47d4a9f355f7f970",
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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_fq_pie.c"
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],
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"versions": [
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{
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"version": "5.6",
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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": "5.6",
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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": "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": "6.12.111",
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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": "6.18.53",
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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": "7.2.7",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "5.6",
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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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"versionStartIncluding": "5.6",
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"versionEndExcluding": "5.15.222"
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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": "5.6",
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"versionEndExcluding": "6.1.189"
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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": "5.6",
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"versionEndExcluding": "6.6.158"
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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": "5.6",
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"versionEndExcluding": "6.12.111"
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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": "5.6",
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"versionEndExcluding": "6.18.53"
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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": "5.6",
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"versionEndExcluding": "7.2.7"
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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": "5.6",
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"versionEndExcluding": "7.3"
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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/ff4f3a0f3abd2ded467931d7da7984a68a768e0b"
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},
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{
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"url": "https://git.kernel.org/stable/c/749aaebc1eb92ce2f38fd3caf68a2f99686d84ef"
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},
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{
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"url": "https://git.kernel.org/stable/c/8fd98e56c41f79278eeb67512c28d7abc175bcf4"
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},
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{
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"url": "https://git.kernel.org/stable/c/215df1e953ae72a09d425ec188e054058ae23dc9"
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},
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{
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"url": "https://git.kernel.org/stable/c/f90fe65b977e7aa9eb302230a09eb18f8c32ceaa"
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},
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{
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"url": "https://git.kernel.org/stable/c/c11e3a39807eb5a200445ae9082843ab86800415"
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},
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{
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"url": "https://git.kernel.org/stable/c/6655b56e2801008566c594ef231f6c7b3f716c61"
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},
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{
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"url": "https://git.kernel.org/stable/c/4864f58c53eb47257d55e01f47d4a9f355f7f970"
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}
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],
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"title": "net/sched: fq_pie: clamp quantum in change path",
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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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} |