{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98419", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.348Z", "datePublished": "2026-10-14T13:27:49.005Z", "dateUpdated": "2026-10-19T09:19:12.975Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:19:12.975Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrop_monitor: fix out-of-bounds write in reset_per_cpu_data()\n\nIn reset_per_cpu_data(), al is computed as:\n\n al = sizeof(struct net_dm_alert_msg);\n al += dm_hit_limit * sizeof(struct net_dm_drop_point);\n al += sizeof(struct nlattr);\n\n skb = genlmsg_new(al, GFP_KERNEL);\n ...\n nla = nla_reserve(skb, NLA_UNSPEC, sizeof(struct net_dm_alert_msg));\n ...\n msg = nla_data(nla);\n memset(msg, 0, al);\n\nBecause al includes sizeof(struct nlattr) (the 4-byte attribute header),\ngenlmsg_new() allocates al bytes of tailroom starting at nla.\nHowever, msg points to nla_data(nla), which is located\nsizeof(struct nlattr) bytes past nla. Calling memset(msg, 0, al)\ntherefore writes al bytes starting from msg, exceeding the allocated\nbuffer by sizeof(struct nlattr) (4 bytes) and corrupting\nskb_shared_info.\n\nFix this by letting al represent only the payload length, allocating\nthe skb with genlmsg_new(nla_total_size(al), GFP_KERNEL), and zeroing\nal bytes from msg."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/drop_monitor.c"], "versions": [{"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "caf09c09e0f323015ab6777ed1bad5aa10688631", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "56b12f0cd476e4d90a0e2663a80102b388ebf78c", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "88d640efd655b10f9fa4e381caf777da1f17c2a6", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "d54a044136b129822715e8798899af540ec7a9e9", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "8a04047c6dbff2f49a561b1ff53b043f4807e855", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "530ae0a1458078c7a81fbffd9ff17d42129364d9", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "03b672eba4937ff18337049824a114012d57f202", "status": "affected", "versionType": "git"}, {"version": "683703a26e4677db437a1480682851e27c7a154f", "lessThan": "439f392084f8f7f59ab9d47a9579185accefe1d8", "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/core/drop_monitor.c"], "versions": [{"version": "2.6.31", "status": "affected"}, {"version": "0", "lessThan": "2.6.31", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.271", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.222", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.189", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.158", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.54", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.8", "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": "2.6.31", "versionEndExcluding": "5.10.271"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "5.15.222"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.1.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.6.158"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "6.18.54"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "7.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.31", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/caf09c09e0f323015ab6777ed1bad5aa10688631"}, {"url": "https://git.kernel.org/stable/c/56b12f0cd476e4d90a0e2663a80102b388ebf78c"}, {"url": "https://git.kernel.org/stable/c/88d640efd655b10f9fa4e381caf777da1f17c2a6"}, {"url": "https://git.kernel.org/stable/c/d54a044136b129822715e8798899af540ec7a9e9"}, {"url": "https://git.kernel.org/stable/c/8a04047c6dbff2f49a561b1ff53b043f4807e855"}, {"url": "https://git.kernel.org/stable/c/530ae0a1458078c7a81fbffd9ff17d42129364d9"}, {"url": "https://git.kernel.org/stable/c/03b672eba4937ff18337049824a114012d57f202"}, {"url": "https://git.kernel.org/stable/c/439f392084f8f7f59ab9d47a9579185accefe1d8"}], "title": "drop_monitor: fix out-of-bounds write in reset_per_cpu_data()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/core/drop_monitor.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "caf09c09e0f323015ab6777ed1bad5aa10688631", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "56b12f0cd476e4d90a0e2663a80102b388ebf78c", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "88d640efd655b10f9fa4e381caf777da1f17c2a6", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "d54a044136b129822715e8798899af540ec7a9e9", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "8a04047c6dbff2f49a561b1ff53b043f4807e855", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "530ae0a1458078c7a81fbffd9ff17d42129364d9", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "03b672eba4937ff18337049824a114012d57f202", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}, {"lessThan": "439f392084f8f7f59ab9d47a9579185accefe1d8", "status": "affected", "version": "683703a26e4677db437a1480682851e27c7a154f", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/core/drop_monitor.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.31"}, {"lessThan": "2.6.31", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.271", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.222", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.189", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.158", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.54", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.8", "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\ndrop_monitor: fix out-of-bounds write in reset_per_cpu_data()\n\nIn reset_per_cpu_data(), al is computed as:\n\n al = sizeof(struct net_dm_alert_msg);\n al += dm_hit_limit * sizeof(struct net_dm_drop_point);\n al += sizeof(struct nlattr);\n\n skb = genlmsg_new(al, GFP_KERNEL);\n ...\n nla = nla_reserve(skb, NLA_UNSPEC, sizeof(struct net_dm_alert_msg));\n ...\n msg = nla_data(nla);\n memset(msg, 0, al);\n\nBecause al includes sizeof(struct nlattr) (the 4-byte attribute header),\ngenlmsg_new() allocates al bytes of tailroom starting at nla.\nHowever, msg points to nla_data(nla), which is located\nsizeof(struct nlattr) bytes past nla. Calling memset(msg, 0, al)\ntherefore writes al bytes starting from msg, exceeding the allocated\nbuffer by sizeof(struct nlattr) (4 bytes) and corrupting\nskb_shared_info.\n\nFix this by letting al represent only the payload length, allocating\nthe skb with genlmsg_new(nla_total_size(al), GFP_KERNEL), and zeroing\nal bytes from msg."}], "id": "CVE-2026-98419", "lastModified": "2026-10-19T10:18:47.367", "metrics": {}, "published": "2026-10-14T14:17:53.290", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/03b672eba4937ff18337049824a114012d57f202"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/439f392084f8f7f59ab9d47a9579185accefe1d8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/530ae0a1458078c7a81fbffd9ff17d42129364d9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56b12f0cd476e4d90a0e2663a80102b388ebf78c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88d640efd655b10f9fa4e381caf777da1f17c2a6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8a04047c6dbff2f49a561b1ff53b043f4807e855"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/caf09c09e0f323015ab6777ed1bad5aa10688631"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d54a044136b129822715e8798899af540ec7a9e9"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drop_monitor: fix out-of-bounds write in reset_per_cpu_data()", "id": "2552188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552188"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrop_monitor: fix out-of-bounds write in reset_per_cpu_data()\nIn reset_per_cpu_data(), al is computed as:\nal = sizeof(struct net_dm_alert_msg);\nal += dm_hit_limit * sizeof(struct net_dm_drop_point);\nal += sizeof(struct nlattr);\nskb = genlmsg_new(al, GFP_KERNEL);\n...\nnla = nla_reserve(skb, NLA_UNSPEC, sizeof(struct net_dm_alert_msg));\n...\nmsg = nla_data(nla);\nmemset(msg, 0, al);\nBecause al includes sizeof(struct nlattr) (the 4-byte attribute header),\ngenlmsg_new() allocates al bytes of tailroom starting at nla.\nHowever, msg points to nla_data(nla), which is located\nsizeof(struct nlattr) bytes past nla. Calling memset(msg, 0, al)\ntherefore writes al bytes starting from msg, exceeding the allocated\nbuffer by sizeof(struct nlattr) (4 bytes) and corrupting\nskb_shared_info.\nFix this by letting al represent only the payload length, allocating\nthe skb with genlmsg_new(nla_total_size(al), GFP_KERNEL), and zeroing\nal bytes from msg.", "A flaw was found in the Linux kernel's drop_monitor subsystem. An incorrect buffer size calculation during per-CPU data resets leads to an out-of-bounds write when clearing memory. A local user could exploit this vulnerability to corrupt kernel memory, resulting in a system crash and Denial of Service (DoS)."], "name": "CVE-2026-98419", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98419\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98419\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98419.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,caf09c09e0f323015ab6777ed1bad5aa10688631)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,56b12f0cd476e4d90a0e2663a80102b388ebf78c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,88d640efd655b10f9fa4e381caf777da1f17c2a6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,d54a044136b129822715e8798899af540ec7a9e9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,8a04047c6dbff2f49a561b1ff53b043f4807e855)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,530ae0a1458078c7a81fbffd9ff17d42129364d9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,03b672eba4937ff18337049824a114012d57f202)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[683703a26e4677db437a1480682851e27c7a154f,439f392084f8f7f59ab9d47a9579185accefe1d8)"}}], "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": "semver", "value": "2.6.31"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.31)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.271,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.222,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.189,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.158,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.112,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.54,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.8,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3,*]"}}], "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": "2026-10-15T04:00:11.705622+00:00", "updated": "2026-10-19T18:00:02.393504+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-119", "CWE-787"]}