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But when this step failed, it must not only free the skb\nbut also take care of the reference to the already found primary_if."}], "id": "CVE-2026-72228", "lastModified": "2026-08-17T06:18:24.027", "metrics": {}, "published": "2026-08-15T06:21:49.617", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/353d2c1d5492e53ae34f490a84494124dc3d3531"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4f3bf293f7662500142234ae6f23725953690bc9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/777a88256d6f70672116e53400659cc417e1feaa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a90f4fff9025371bce5371daa610af957de8dd6a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c1b28432fd6345e0d2308f39c507ed5750c265d2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d2148aeee93197ccf821114489775132f28eebf5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/db3c700826e8126fbdaa83468a9c4ee4ee65319f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e59b1960f71521ce4eb4397c4e82f5285601ab57"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: batman-adv: frag: fix primary_if leak on failed linearization", "id": "2516678", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516678"}, "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-911", "details": ["A flaw was found in the `batman-adv` component of the Linux kernel. This vulnerability occurs during the processing of network packets that have fragmented data. Specifically, if a packet's fragmented data fails a preparation step called linearization, a reference to a network interface (`primary_if`) is not properly released, leading to a memory leak. This issue could potentially be exploited by a local attacker to cause resource exhaustion, resulting in a Denial of Service (DoS) for the system."], "name": "CVE-2026-72228", "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"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72228\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72228\nhttps://lore.kernel.org/linux-cve-announce/2026081548-CVE-2026-72228-fe10@gregkh/T"], "threat_severity": "Moderate"}

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