CVE-2026-98375

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-98375", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:25:14.345Z", "datePublished": "2026-10-09T07:10:45.930Z", "dateUpdated": "2026-10-30T12:38:04.686Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:38:04.686Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen/netfront: drop RX packets with a short Ethernet header\n\nhandle_incoming_queue() pulls pull_to bytes into the head before\ncalling eth_type_trans(). pull_to is the length of the first RX slot,\ncapped at RX_COPY_THRESHOLD, and that length comes from the backend.\nNothing checks it against ETH_HLEN.\n\nIf the first slot is shorter than ETH_HLEN and more slots follow, the\nhead ends up shorter than an Ethernet header while skb->len is longer,\nand eth_type_trans() BUG()s in __skb_pull(). If the whole packet is\nshorter than ETH_HLEN, eth_type_trans() reads the header past the end\nof the data instead.\n\nPull at least ETH_HLEN, and drop the packet if that fails, which also\ndrops packets too short to hold an Ethernet header. This also checks\nthe return value of the pull, which was ignored."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/xen-netfront.c"], "versions": [{"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "fd5481dd75ea879c53c17882cbb065ad3bd6b766", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "9cb8813d157b4d15103d3b34c635620f36df4173", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "57508819da8dc1cf5a2c3b64570aa02cc5ae28b6", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "0542d213253eec18785a24b603b28bd385dfe4a5", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "236a17caebcff31f75bec5ff4136bde2de944e40", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "72d2f54367895d6e236b9857892e2e6b6036e067", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "e2b721bc30f40ffa7ccc36a56d4e8990b8c0538e", "status": "affected", "versionType": "git"}, {"version": "0d160211965b79de989cf2d170985abeb8da5ec6", "lessThan": "089e58805c452e52179482b1025a8e309a57f801", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/xen-netfront.c"], "versions": [{"version": "2.6.23", "status": "affected"}, {"version": "0", "lessThan": "2.6.23", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "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": "2.6.23", "versionEndExcluding": "5.10.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.12.113"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "6.18.56"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "7.2.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.23", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/fd5481dd75ea879c53c17882cbb065ad3bd6b766"}, {"url": "https://git.kernel.org/stable/c/9cb8813d157b4d15103d3b34c635620f36df4173"}, {"url": "https://git.kernel.org/stable/c/57508819da8dc1cf5a2c3b64570aa02cc5ae28b6"}, {"url": "https://git.kernel.org/stable/c/0542d213253eec18785a24b603b28bd385dfe4a5"}, {"url": "https://git.kernel.org/stable/c/236a17caebcff31f75bec5ff4136bde2de944e40"}, {"url": "https://git.kernel.org/stable/c/72d2f54367895d6e236b9857892e2e6b6036e067"}, {"url": "https://git.kernel.org/stable/c/e2b721bc30f40ffa7ccc36a56d4e8990b8c0538e"}, {"url": "https://git.kernel.org/stable/c/089e58805c452e52179482b1025a8e309a57f801"}], "title": "xen/netfront: drop RX packets with a short Ethernet header", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://xenbits.xen.org/xsa/advisory-522.html"}, {"url": "http://www.openwall.com/lists/oss-security/2026/10/09/3"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-10-09T11:08:05.387Z"}}]}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/xen-netfront.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fd5481dd75ea879c53c17882cbb065ad3bd6b766", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "9cb8813d157b4d15103d3b34c635620f36df4173", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "57508819da8dc1cf5a2c3b64570aa02cc5ae28b6", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "0542d213253eec18785a24b603b28bd385dfe4a5", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "236a17caebcff31f75bec5ff4136bde2de944e40", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "72d2f54367895d6e236b9857892e2e6b6036e067", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "e2b721bc30f40ffa7ccc36a56d4e8990b8c0538e", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}, {"lessThan": "089e58805c452e52179482b1025a8e309a57f801", "status": "affected", "version": "0d160211965b79de989cf2d170985abeb8da5ec6", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/xen-netfront.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.23"}, {"lessThan": "2.6.23", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "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\nxen/netfront: drop RX packets with a short Ethernet header\n\nhandle_incoming_queue() pulls pull_to bytes into the head before\ncalling eth_type_trans(). pull_to is the length of the first RX slot,\ncapped at RX_COPY_THRESHOLD, and that length comes from the backend.\nNothing checks it against ETH_HLEN.\n\nIf the first slot is shorter than ETH_HLEN and more slots follow, the\nhead ends up shorter than an Ethernet header while skb->len is longer,\nand eth_type_trans() BUG()s in __skb_pull(). If the whole packet is\nshorter than ETH_HLEN, eth_type_trans() reads the header past the end\nof the data instead.\n\nPull at least ETH_HLEN, and drop the packet if that fails, which also\ndrops packets too short to hold an Ethernet header. This also checks\nthe return value of the pull, which was ignored."}], "id": "CVE-2026-98375", "lastModified": "2026-10-30T13:21:13.277", "metrics": {}, "published": "2026-10-09T08:16:55.807", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0542d213253eec18785a24b603b28bd385dfe4a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/089e58805c452e52179482b1025a8e309a57f801"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/236a17caebcff31f75bec5ff4136bde2de944e40"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/57508819da8dc1cf5a2c3b64570aa02cc5ae28b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/72d2f54367895d6e236b9857892e2e6b6036e067"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9cb8813d157b4d15103d3b34c635620f36df4173"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e2b721bc30f40ffa7ccc36a56d4e8990b8c0538e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fd5481dd75ea879c53c17882cbb065ad3bd6b766"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/10/09/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://xenbits.xen.org/xsa/advisory-522.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: xen/netfront: drop RX packets with a short Ethernet header", "id": "2548385", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2548385"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxen/netfront: drop RX packets with a short Ethernet header\nhandle_incoming_queue() pulls pull_to bytes into the head before\ncalling eth_type_trans(). pull_to is the length of the first RX slot,\ncapped at RX_COPY_THRESHOLD, and that length comes from the backend.\nNothing checks it against ETH_HLEN.\nIf the first slot is shorter than ETH_HLEN and more slots follow, the\nhead ends up shorter than an Ethernet header while skb->len is longer,\nand eth_type_trans() BUG()s in __skb_pull(). If the whole packet is\nshorter than ETH_HLEN, eth_type_trans() reads the header past the end\nof the data instead.\nPull at least ETH_HLEN, and drop the packet if that fails, which also\ndrops packets too short to hold an Ethernet header. This also checks\nthe return value of the pull, which was ignored.", "A flaw was found in the Linux kernel's Xen network frontend driver. This vulnerability allows a malicious host backend to cause a Denial of Service (DoS) by transmitting incoming network packets with an incomplete Ethernet header. Because the driver fails to verify that incoming packet buffers meet the minimum required header size, processing malformed packets triggers a kernel crash or an out-of-bounds memory read."], "name": "CVE-2026-98375", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-10-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-98375\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-98375\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98375.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0d160211965b79de989cf2d170985abeb8da5ec6,089e58805c452e52179482b1025a8e309a57f801)"}}], "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": "2.6.23"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.23)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.3-rc7,*]"}}], "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": "2026-10-09T09:00:03.986999+00:00", "updated": "2026-10-11T04:30:17.121519+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}