{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98701", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.365Z", "datePublished": "2026-10-18T15:46:31.257Z", "dateUpdated": "2026-10-21T12:55:50.930Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:55:50.930Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: release mesh path quota on failed additions\n\nRepeated failed or duplicate mesh path additions can exhaust\nMESH_MAX_MPATHS while the path table holds fewer paths, which stops new\npaths to reachable destinations from being created.\n\nmesh_path_add() reserves a slot before allocating and inserting a path.\nIf allocation fails, the function returns without releasing the slot. If\nthe rhashtable insertion reports an error or an existing destination, the\nfunction discards its candidate but retains the reservation. No new path\nis installed in any of these cases.\n\nRelease the reservation whenever the candidate is not installed."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/mesh_pathtbl.c"], "versions": [{"version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "lessThan": "57bfaa8b2853425ab1b83114d823a62fe63f859f", "status": "affected", "versionType": "git"}, {"version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "lessThan": "56691ed9ef792f180e008a43294a4dc059fbeca2", "status": "affected", "versionType": "git"}, {"version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "lessThan": "a613c891906b558c10a4fa98ca29747b98e857cb", "status": "affected", "versionType": "git"}, {"version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "lessThan": "a59eca4557c7462aad1b160011013290a92de97d", "status": "affected", "versionType": "git"}, {"version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "lessThan": "7325a44474f20c1393a1c114c6811abce6ddfaf4", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/mac80211/mesh_pathtbl.c"], "versions": [{"version": "3.10", "status": "affected"}, {"version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.113", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.56", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.10", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/57bfaa8b2853425ab1b83114d823a62fe63f859f"}, {"url": "https://git.kernel.org/stable/c/56691ed9ef792f180e008a43294a4dc059fbeca2"}, {"url": "https://git.kernel.org/stable/c/a613c891906b558c10a4fa98ca29747b98e857cb"}, {"url": "https://git.kernel.org/stable/c/a59eca4557c7462aad1b160011013290a92de97d"}, {"url": "https://git.kernel.org/stable/c/7325a44474f20c1393a1c114c6811abce6ddfaf4"}], "title": "wifi: mac80211: release mesh path quota on failed additions", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/mac80211/mesh_pathtbl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "57bfaa8b2853425ab1b83114d823a62fe63f859f", "status": "affected", "version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "versionType": "git"}, {"lessThan": "56691ed9ef792f180e008a43294a4dc059fbeca2", "status": "affected", "version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "versionType": "git"}, {"lessThan": "a613c891906b558c10a4fa98ca29747b98e857cb", "status": "affected", "version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "versionType": "git"}, {"lessThan": "a59eca4557c7462aad1b160011013290a92de97d", "status": "affected", "version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "versionType": "git"}, {"lessThan": "7325a44474f20c1393a1c114c6811abce6ddfaf4", "status": "affected", "version": "ae76eef027f75fadd8a8eda55ee07707f077aacb", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/mac80211/mesh_pathtbl.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.10"}, {"lessThan": "3.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.113", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.56", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: release mesh path quota on failed additions\n\nRepeated failed or duplicate mesh path additions can exhaust\nMESH_MAX_MPATHS while the path table holds fewer paths, which stops new\npaths to reachable destinations from being created.\n\nmesh_path_add() reserves a slot before allocating and inserting a path.\nIf allocation fails, the function returns without releasing the slot. If\nthe rhashtable insertion reports an error or an existing destination, the\nfunction discards its candidate but retains the reservation. No new path\nis installed in any of these cases.\n\nRelease the reservation whenever the candidate is not installed."}], "id": "CVE-2026-98701", "lastModified": "2026-10-21T13:21:38.337", "metrics": {}, "published": "2026-10-18T16:17:23.597", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56691ed9ef792f180e008a43294a4dc059fbeca2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57bfaa8b2853425ab1b83114d823a62fe63f859f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7325a44474f20c1393a1c114c6811abce6ddfaf4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a59eca4557c7462aad1b160011013290a92de97d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a613c891906b558c10a4fa98ca29747b98e857cb"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: wifi: mac80211: release mesh path quota on failed additions", "id": "2555187", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2555187"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's mac80211 wireless networking subsystem. When adding mesh network routes, failed or duplicate path requests do not release reserved slot quotas. An adjacent attacker could exploit this issue by repeatedly triggering failed path additions to exhaust the mesh path quota. This failure results in a Denial of Service (DoS), preventing the creation of legitimate new network paths across the mesh network."], "name": "CVE-2026-98701", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98701\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98701\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98701.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae76eef027f75fadd8a8eda55ee07707f077aacb,56691ed9ef792f180e008a43294a4dc059fbeca2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae76eef027f75fadd8a8eda55ee07707f077aacb,a613c891906b558c10a4fa98ca29747b98e857cb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae76eef027f75fadd8a8eda55ee07707f077aacb,a59eca4557c7462aad1b160011013290a92de97d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae76eef027f75fadd8a8eda55ee07707f077aacb,7325a44474f20c1393a1c114c6811abce6ddfaf4)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "3.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.113,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.56,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.10,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc6,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-10-18T19:30:14.463274+00:00", "updated": "2026-10-19T10:15:06.918810+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-400"]}