{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53233", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.393Z", "datePublished": "2026-06-25T08:39:31.191Z", "dateUpdated": "2026-06-25T08:39:31.191Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-25T08:39:31.191Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetdev: fix double-free in netdev_nl_bind_rx_doit()\n\nSashiko flags that genlmsg_reply() always consumes the skb.\nThe error path calls nlmsg_free(rsp) so we can't jump directly\nto it. Let's not unbind, just propagate the error to the user.\nThis is the typical way of handling genlmsg_reply() failures.\nThey shouldn't happen unless user does something silly like\ncalling the kernel with an already-full rcvbuf."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/netdev-genl.c"], "versions": [{"version": "170aafe35cb98e0f3fbacb446ea86389fbce22ea", "lessThan": "e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599", "status": "affected", "versionType": "git"}, {"version": "170aafe35cb98e0f3fbacb446ea86389fbce22ea", "lessThan": "c299321bc6232770ce378d6fa6bc46004d2d7fdb", "status": "affected", "versionType": "git"}, {"version": "170aafe35cb98e0f3fbacb446ea86389fbce22ea", "lessThan": "9b019376cbee10c4f9184d1745fa37d156e36f30", "status": "affected", "versionType": "git"}, {"version": "170aafe35cb98e0f3fbacb446ea86389fbce22ea", "lessThan": "c849de7d8757a7af801fc4a4058f71d481d367f2", "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/netdev-genl.c"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.12", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599"}, {"url": "https://git.kernel.org/stable/c/c299321bc6232770ce378d6fa6bc46004d2d7fdb"}, {"url": "https://git.kernel.org/stable/c/9b019376cbee10c4f9184d1745fa37d156e36f30"}, {"url": "https://git.kernel.org/stable/c/c849de7d8757a7af801fc4a4058f71d481d367f2"}], "title": "netdev: fix double-free in netdev_nl_bind_rx_doit()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: netdev: fix double-free in netdev_nl_bind_rx_doit()", "id": "2492809", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492809"}, "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-763", "details": ["A flaw was found in the Linux kernel. A double-free vulnerability exists within the `netdev_nl_bind_rx_doit()` function, which is responsible for binding network device receive operations. This vulnerability arises when `genlmsg_reply()` consumes the socket buffer (`skb`), and the error handling path subsequently attempts to free the response (`rsp`) again, resulting in a double-free. This could allow a local attacker to cause a denial of service (DoS) or potentially execute arbitrary code."], "name": "CVE-2026-53233", "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": "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": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53233\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53233\nhttps://lore.kernel.org/linux-cve-announce/2026062509-CVE-2026-53233-508b@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[170aafe35cb98e0f3fbacb446ea86389fbce22ea,e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[170aafe35cb98e0f3fbacb446ea86389fbce22ea,c299321bc6232770ce378d6fa6bc46004d2d7fdb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[170aafe35cb98e0f3fbacb446ea86389fbce22ea,9b019376cbee10c4f9184d1745fa37d156e36f30)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[170aafe35cb98e0f3fbacb446ea86389fbce22ea,c849de7d8757a7af801fc4a4058f71d481d367f2)"}}], "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": "generic", "value": "6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.94,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-25T13:45:02.984521+00:00", "updated": "2026-06-26T13:45:05.807194+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-763"]}