{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80681", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.783Z", "datePublished": "2026-08-28T06:52:48.896Z", "dateUpdated": "2026-08-28T06:52:48.896Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-28T06:52:48.896Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvxlan: re-fetch eth header after route_shortcircuit()\n\nBefore route_shortcircuit(), the eth header pointer is cached from eth_hdr(skb).\n\nInside route_shortcircuit(), pskb_may_pull() can be called, which may\nreallocate skb->head.\n\nIn this case, returning to vxlan_xmit() leaves the cached eth pointer pointing to\nfreed memory, leading to a use-after-free when dereferencing eth->h_dest.\n\nFix this by updating eth = eth_hdr(skb) after calling route_shortcircuit()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/vxlan/vxlan_core.c"], "versions": [{"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "6375093eb45cd7d89f1945f939eeae3b29d79f56", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "1b7f7b653e3557690047c62f03b80a24ea5a58a5", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "bf045341dfb3e767f0ff94cf240ce3c371973bd4", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "2355c8c26d2aa1b4385b369e67202e47d460d555", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "1511631b7cfc4152b10a0a9d04c7a0bf2ddf4585", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "1235e017aa11cf01e91b613c4c5ed6aa28934fff", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "c9dceac9e1c7c772c43c732fc0d325e72835801a", "status": "affected", "versionType": "git"}, {"version": "ae8840825605f36f98f247323edc150e761cb64e", "lessThan": "1395a676ec15a0a02a2a6d86602324f2d5fd41d5", "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/vxlan/vxlan_core.c"], "versions": [{"version": "3.10", "status": "affected"}, {"version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.265", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.216", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.183", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.151", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.103", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.44", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.8", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.10.265"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.15.216"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.1.183"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.6.151"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.12.103"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.18.44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "7.1.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6375093eb45cd7d89f1945f939eeae3b29d79f56"}, {"url": "https://git.kernel.org/stable/c/1b7f7b653e3557690047c62f03b80a24ea5a58a5"}, {"url": "https://git.kernel.org/stable/c/bf045341dfb3e767f0ff94cf240ce3c371973bd4"}, {"url": "https://git.kernel.org/stable/c/2355c8c26d2aa1b4385b369e67202e47d460d555"}, {"url": "https://git.kernel.org/stable/c/1511631b7cfc4152b10a0a9d04c7a0bf2ddf4585"}, {"url": "https://git.kernel.org/stable/c/1235e017aa11cf01e91b613c4c5ed6aa28934fff"}, {"url": "https://git.kernel.org/stable/c/c9dceac9e1c7c772c43c732fc0d325e72835801a"}, {"url": "https://git.kernel.org/stable/c/1395a676ec15a0a02a2a6d86602324f2d5fd41d5"}], "title": "vxlan: re-fetch eth header after route_shortcircuit()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/vxlan/vxlan_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6375093eb45cd7d89f1945f939eeae3b29d79f56", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "1b7f7b653e3557690047c62f03b80a24ea5a58a5", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "bf045341dfb3e767f0ff94cf240ce3c371973bd4", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "2355c8c26d2aa1b4385b369e67202e47d460d555", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "1511631b7cfc4152b10a0a9d04c7a0bf2ddf4585", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "1235e017aa11cf01e91b613c4c5ed6aa28934fff", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "c9dceac9e1c7c772c43c732fc0d325e72835801a", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}, {"lessThan": "1395a676ec15a0a02a2a6d86602324f2d5fd41d5", "status": "affected", "version": "ae8840825605f36f98f247323edc150e761cb64e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/vxlan/vxlan_core.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": "5.10.*", "status": "unaffected", "version": "5.10.265", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.216", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.183", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.151", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.103", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.44", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.8", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nvxlan: re-fetch eth header after route_shortcircuit()\n\nBefore route_shortcircuit(), the eth header pointer is cached from eth_hdr(skb).\n\nInside route_shortcircuit(), pskb_may_pull() can be called, which may\nreallocate skb->head.\n\nIn this case, returning to vxlan_xmit() leaves the cached eth pointer pointing to\nfreed memory, leading to a use-after-free when dereferencing eth->h_dest.\n\nFix this by updating eth = eth_hdr(skb) after calling route_shortcircuit()."}], "id": "CVE-2026-80681", "lastModified": "2026-08-28T08:16:53.473", "metrics": {}, "published": "2026-08-28T08:16:53.473", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1235e017aa11cf01e91b613c4c5ed6aa28934fff"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1395a676ec15a0a02a2a6d86602324f2d5fd41d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1511631b7cfc4152b10a0a9d04c7a0bf2ddf4585"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1b7f7b653e3557690047c62f03b80a24ea5a58a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2355c8c26d2aa1b4385b369e67202e47d460d555"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6375093eb45cd7d89f1945f939eeae3b29d79f56"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bf045341dfb3e767f0ff94cf240ce3c371973bd4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9dceac9e1c7c772c43c732fc0d325e72835801a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,6375093eb45cd7d89f1945f939eeae3b29d79f56)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,1b7f7b653e3557690047c62f03b80a24ea5a58a5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,bf045341dfb3e767f0ff94cf240ce3c371973bd4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,2355c8c26d2aa1b4385b369e67202e47d460d555)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,1511631b7cfc4152b10a0a9d04c7a0bf2ddf4585)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,1235e017aa11cf01e91b613c5ed6aa28934fff)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,c9dceac9e1c7c772c43c732fc0d325e72835801a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ae8840825605f36f98f247323edc150e761cb64e,1395a676ec15a0a02a2a6d86602324f2d5fd41d5)"}}], "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": "3.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.265,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.216,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.183,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.151,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.103,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.44,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.8,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2,*]"}}], "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": "2026-08-28T12:45:02.928566+00:00", "updated": "2026-08-28T13:30:06.595288+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}