{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22988", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.937Z", "datePublished": "2026-01-23T15:24:09.756Z", "dateUpdated": "2026-01-23T15:24:09.756Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-01-23T15:24:09.756Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narp: do not assume dev_hard_header() does not change skb->head\n\narp_create() is the only dev_hard_header() caller\nmaking assumption about skb->head being unchanged.\n\nA recent commit broke this assumption.\n\nInitialize @arp pointer after dev_hard_header() call."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv4/arp.c"], "versions": [{"version": "17e7386234f740f3e7d5e58a47b5847ea34c3bc2", "lessThan": "e432dbff342b95fe44645f9a90fcf333c80f4b5e", "status": "affected", "versionType": "git"}, {"version": "41a1a3140aff295dee8063906f70a514548105e8", "lessThan": "393525dee5c39acff8d6705275d7fcaabcfb7f0a", "status": "affected", "versionType": "git"}, {"version": "adee129db814474f2f81207bd182bf343832a52e", "lessThan": "70bddc16491ef4681f3569b3a2c80309a3edcdd1", "status": "affected", "versionType": "git"}, {"version": "1717357007db150c2d703f13f5695460e960f26c", "lessThan": "029935507d0af6553c45380fbf6feecf756fd226", "status": "affected", "versionType": "git"}, {"version": "5fe210533e3459197eabfdbf97327dacbdc04d60", "lessThan": "dd6ccec088adff4bdf33e2b2dd102df20a7128fa", "status": "affected", "versionType": "git"}, {"version": "91a2b25be07ce1a7549ceebbe82017551d2eec92", "lessThan": "949647e7771a4a01963fe953a96d81fba7acecf3", "status": "affected", "versionType": "git"}, {"version": "db5b4e39c4e63700c68a7e65fc4e1f1375273476", "lessThan": "c92510f5e3f82ba11c95991824a41e59a9c5ed81", "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/ipv4/arp.c"], "versions": [{"version": "6.19-rc4", "status": "affected"}, {"version": "0", "lessThan": "6.19-rc4", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.161", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.121", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.66", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.6", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19-rc5", "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": "6.1.160", "versionEndExcluding": "6.1.161"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.120", "versionEndExcluding": "6.6.121"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.64", "versionEndExcluding": "6.12.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18.4", "versionEndExcluding": "6.18.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.19-rc4", "versionEndExcluding": "6.19-rc5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e"}, {"url": "https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a"}, {"url": "https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1"}, {"url": "https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226"}, {"url": "https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa"}, {"url": "https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3"}, {"url": "https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81"}], "title": "arp: do not assume dev_hard_header() does not change skb->head", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narp: do not assume dev_hard_header() does not change skb->head\n\narp_create() is the only dev_hard_header() caller\nmaking assumption about skb->head being unchanged.\n\nA recent commit broke this assumption.\n\nInitialize @arp pointer after dev_hard_header() call."}], "id": "CVE-2026-22988", "lastModified": "2026-01-23T16:15:54.860", "metrics": {}, "published": "2026-01-23T16:15:54.860", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/029935507d0af6553c45380fbf6feecf756fd226"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/393525dee5c39acff8d6705275d7fcaabcfb7f0a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/70bddc16491ef4681f3569b3a2c80309a3edcdd1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/949647e7771a4a01963fe953a96d81fba7acecf3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c92510f5e3f82ba11c95991824a41e59a9c5ed81"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dd6ccec088adff4bdf33e2b2dd102df20a7128fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e432dbff342b95fe44645f9a90fcf333c80f4b5e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: arp: do not assume dev_hard_header() does not change skb->head", "id": "2432375", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2432375"}, "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"}, "details": ["No description is available for this CVE."], "name": "CVE-2026-22988", "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": "Out of support scope", "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"}], "public_date": "2026-01-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-22988\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-22988\nhttps://lore.kernel.org/linux-cve-announce/2026012350-CVE-2026-22988-1ee5@gregkh/T"], "threat_severity": "Moderate"}

{}