CVE-2026-98078

{"id": "CVE-2026-98078", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.4, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "ae38b2ae16f709c0193e1b4340bde26ef3e2687d", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "bbc68ba258a4eb0a2ca3b3a105550801aa8b00b0", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "f487b5788f15c6c32a219ed1480d25c93fc18d30", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "677ff8ab30a663cde984d8afe86465fd0d81aeef", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "e1c9f9446d3eaae323f1689f9e5de3b1ad6e47ec", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "524599714558da83747c04952d378155c69f5b6b", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "de6cc6ec7932bc530f2bb92005dac9123d50659c", "versionType": "git"}, {"status": "affected", "version": "986a075795339c5ea1122ce9290dfd5504252eb0", "lessThan": "b04578b74f2d3755548fe9e829e3b2a6c6f966a1", "versionType": "git"}], "programFiles": ["net/netfilter/ipvs/ip_vs_sync.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.39"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.39", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.271", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.222", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.189", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.158", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.111", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.53", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.7", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/netfilter/ipvs/ip_vs_sync.c"], "defaultStatus": "affected"}]}], "published": "2026-09-25T11:17:37.200", "references": [{"url": "https://git.kernel.org/stable/c/524599714558da83747c04952d378155c69f5b6b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/677ff8ab30a663cde984d8afe86465fd0d81aeef", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ae38b2ae16f709c0193e1b4340bde26ef3e2687d", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b04578b74f2d3755548fe9e829e3b2a6c6f966a1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bbc68ba258a4eb0a2ca3b3a105550801aa8b00b0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de6cc6ec7932bc530f2bb92005dac9123d50659c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e1c9f9446d3eaae323f1689f9e5de3b1ad6e47ec", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f487b5788f15c6c32a219ed1480d25c93fc18d30", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: fix reversed sequence option serialization\n\nhton_seq() expects the host-order source first and the unaligned\nnetwork-order destination second. The version 1 sync sender passes these\narguments in reverse for both sequence blocks. This leaves 24 bytes of the\nkmalloc-backed message unwritten. It may disclose stale heap data and\nreplace the live connection sequence state with values read from the\nbuffer.\n\nPass the connection sequence state as the source and the message payload as\nthe destination for both blocks."}], "lastModified": "2026-10-19T10:18:03.640", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BD9C63A1-0F83-4608-A35B-28036F575997", "versionEndExcluding": "6.12.111", "versionStartIncluding": "2.6.39"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7561AABB-6D5A-4324-BC66-C6C6B012AFD8", "versionEndExcluding": "6.18.53", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "19917B2D-B4B2-4416-A482-9C7C4929A921", "versionEndExcluding": "7.2.7", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.3:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11E35E1B-5DB4-4AB9-9706-CD73B799EADF"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.3:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "14FD7B9A-4946-4511-8E63-6E13870CD4A8"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}