{"api_version":"1","generated_at":"2026-07-03T18:50:06+00:00","cve":"CVE-2026-52984","urls":{"html":"https://cve.report/CVE-2026-52984","api":"https://cve.report/api/cve/CVE-2026-52984.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-52984","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-52984"},"summary":{"title":"net/sched: netem: fix queue limit check to include reordered packets","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: netem: fix queue limit check to include reordered packets\n\nThe queue limit check in netem_enqueue() uses q->t_len which only\ncounts packets in the internal tfifo. Packets placed in sch->q by\nthe reorder path (__qdisc_enqueue_head) are not counted, allowing\nthe total queue occupancy to exceed sch->limit under reordering.\n\nInclude sch->q.qlen in the limit check.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-24 17:17:09","updated_at":"2026-06-24 17:17:09"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/0f875d52db4c921da610e481b72f03cc82fdcb72","name":"https://git.kernel.org/stable/c/0f875d52db4c921da610e481b72f03cc82fdcb72","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/936a7dd87251f6f3e88983350833edf60fe6a80b","name":"https://git.kernel.org/stable/c/936a7dd87251f6f3e88983350833edf60fe6a80b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8450462eaf91d5d2a9e863507b16d18e814baef3","name":"https://git.kernel.org/stable/c/8450462eaf91d5d2a9e863507b16d18e814baef3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4185701fcce6b426b6c3630b25330dddd9c47b0d","name":"https://git.kernel.org/stable/c/4185701fcce6b426b6c3630b25330dddd9c47b0d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/39a66e83ea41fe845631eeb8d326953de27d13f9","name":"https://git.kernel.org/stable/c/39a66e83ea41fe845631eeb8d326953de27d13f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/74fcd8e127200a50ee22ba2b45c164722bdb9177","name":"https://git.kernel.org/stable/c/74fcd8e127200a50ee22ba2b45c164722bdb9177","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/54b5dbacd00dedffd5e2eed76de1c3839996b5e6","name":"https://git.kernel.org/stable/c/54b5dbacd00dedffd5e2eed76de1c3839996b5e6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ef9a41b3870fb90577da5b2de5bd140022d4021e","name":"https://git.kernel.org/stable/c/ef9a41b3870fb90577da5b2de5bd140022d4021e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-52984","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-52984","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 216509dda290f6db92c816dd54b83c1df9da9e76 0f875d52db4c921da610e481b72f03cc82fdcb72 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c2047b0e216c8edce227d7c42f99ac2877dad0e4 ef9a41b3870fb90577da5b2de5bd140022d4021e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 10df49cfca73dfbbdb6c4150d859f7e8926ae427 74fcd8e127200a50ee22ba2b45c164722bdb9177 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3824c5fad18eeb7abe0c4fc966f29959552dca3e 39a66e83ea41fe845631eeb8d326953de27d13f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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00:06:55"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sched/sch_netem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0f875d52db4c921da610e481b72f03cc82fdcb72","status":"affected","version":"216509dda290f6db92c816dd54b83c1df9da9e76","versionType":"git"},{"lessThan":"ef9a41b3870fb90577da5b2de5bd140022d4021e","status":"affected","version":"c2047b0e216c8edce227d7c42f99ac2877dad0e4","versionType":"git"},{"lessThan":"74fcd8e127200a50ee22ba2b45c164722bdb9177","status":"affected","version":"10df49cfca73dfbbdb6c4150d859f7e8926ae427","versionType":"git"},{"lessThan":"39a66e83ea41fe845631eeb8d326953de27d13f9","status":"affected","version":"3824c5fad18eeb7abe0c4fc966f29959552dca3e","versionType":"git"},{"lessThan":"54b5dbacd00dedffd5e2eed76de1c3839996b5e6","status":"affected","version":"356078a5c55ec8d2061fcc009fb8599f5b0527f9","versionType":"git"},{"lessThan":"8450462eaf91d5d2a9e863507b16d18e814baef3","status":"affected","version":"f8d4bc455047cf3903cd6f85f49978987dbb3027","versionType":"git"},{"lessThan":"936a7dd87251f6f3e88983350833edf60fe6a80b","status":"affected","version":"f8d4bc455047cf3903cd6f85f49978987dbb3027","versionType":"git"},{"lessThan":"4185701fcce6b426b6c3630b25330dddd9c47b0d","status":"affected","version":"f8d4bc455047cf3903cd6f85f49978987dbb3027","versionType":"git"},{"status":"affected","version":"83c6ab12f08dcc09d4c5ac86fdb89736b28f1d31","versionType":"git"},{"lessThan":"5.10.258","status":"affected","version":"5.10.232","versionType":"semver"},{"lessThan":"5.15.209","status":"affected","version":"5.15.175","versionType":"semver"},{"lessThan":"6.1.175","status":"affected","version":"6.1.121","versionType":"semver"},{"lessThan":"6.6.141","status":"affected","version":"6.6.67","versionType":"semver"},{"lessThan":"6.12.91","status":"affected","version":"6.12.6","versionType":"semver"},{"lessThan":"5.5","status":"affected","version":"5.4.288","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/sched/sch_netem.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"5.10.232","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"5.15.175","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"6.1.121","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"6.6.67","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"6.12.6","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"6.13","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.288","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: netem: fix queue limit check to include reordered packets\n\nThe queue limit check in netem_enqueue() uses q->t_len which only\ncounts packets in the internal tfifo. Packets placed in sch->q by\nthe reorder path (__qdisc_enqueue_head) are not counted, allowing\nthe total queue occupancy to exceed sch->limit under reordering.\n\nInclude sch->q.qlen in the limit check."}],"providerMetadata":{"dateUpdated":"2026-06-24T16:28:59.088Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0f875d52db4c921da610e481b72f03cc82fdcb72"},{"url":"https://git.kernel.org/stable/c/ef9a41b3870fb90577da5b2de5bd140022d4021e"},{"url":"https://git.kernel.org/stable/c/74fcd8e127200a50ee22ba2b45c164722bdb9177"},{"url":"https://git.kernel.org/stable/c/39a66e83ea41fe845631eeb8d326953de27d13f9"},{"url":"https://git.kernel.org/stable/c/54b5dbacd00dedffd5e2eed76de1c3839996b5e6"},{"url":"https://git.kernel.org/stable/c/8450462eaf91d5d2a9e863507b16d18e814baef3"},{"url":"https://git.kernel.org/stable/c/936a7dd87251f6f3e88983350833edf60fe6a80b"},{"url":"https://git.kernel.org/stable/c/4185701fcce6b426b6c3630b25330dddd9c47b0d"}],"title":"net/sched: netem: fix queue limit check to include reordered packets","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-52984","datePublished":"2026-06-24T16:28:59.088Z","dateReserved":"2026-06-09T07:44:35.376Z","dateUpdated":"2026-06-24T16:28:59.088Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-24 17:17:09","lastModifiedDate":"2026-06-24 17:17:09","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"52984","Ordinal":"1","Title":"net/sched: netem: fix queue limit check to include reordered pac","CVE":"CVE-2026-52984","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"52984","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/sched: netem: fix queue limit check to include reordered packets\n\nThe queue limit check in netem_enqueue() uses q->t_len which only\ncounts packets in the internal tfifo. Packets placed in sch->q by\nthe reorder path (__qdisc_enqueue_head) are not counted, allowing\nthe total queue occupancy to exceed sch->limit under reordering.\n\nInclude sch->q.qlen in the limit check.","Type":"Description","Title":"net/sched: netem: fix queue limit check to include reordered pac"}]}}}