{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53002", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.377Z", "datePublished": "2026-06-24T16:29:14.391Z", "dateUpdated": "2026-06-28T06:37:52.650Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-28T06:37:52.650Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack: remove sprintf usage\n\nReplace it with scnprintf, the buffer sizes are expected to be large enough\nto hold the result, no need for snprintf+overflow check.\n\nIncrease buffer size in mangle_content_len() while at it.\n\nBUG: KASAN: stack-out-of-bounds in vsnprintf+0xea5/0x1270\nWrite of size 1 at addr [..]\n vsnprintf+0xea5/0x1270\n sprintf+0xb1/0xe0\n mangle_content_len+0x1ac/0x280\n nf_nat_sdp_session+0x1cc/0x240\n process_sdp+0x8f8/0xb80\n process_invite_request+0x108/0x2b0\n process_sip_msg+0x5da/0xf50\n sip_help_tcp+0x45e/0x780\n nf_confirm+0x34d/0x990\n [..]"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netfilter/nf_nat_amanda.c", "net/netfilter/nf_nat_sip.c"], "versions": [{"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "2f793ba78470a99f40389b7dc60a81d9f5ad3956", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "6bbf829b4c1b44c941c47dd0d710f1393258f3d5", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "ab64e61c9323fa6de21bd20da1ddb29a0fb65d34", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "a8e0a32a23d3f34862af3b4da792ecb3a891a9a3", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "8e3be0d12615a173fe260cd42753ca7a001acbf2", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "c08ff52e44945e6ef4ce0790f49ea761b060c45b", "status": "affected", "versionType": "git"}, {"version": "9fafcd7b203229c3f3893a475741afc27e276306", "lessThan": "6e7066bdb481a87fe88c4fa563e348c03b2d373d", "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/netfilter/nf_nat_amanda.c", "net/netfilter/nf_nat_sip.c"], "versions": [{"version": "2.6.20", "status": "affected"}, {"version": "0", "lessThan": "2.6.20", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "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": "2.6.20", "versionEndExcluding": "5.10.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.20", "versionEndExcluding": "5.15.209"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.20", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.20", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.20", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": 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"https://git.kernel.org/stable/c/c08ff52e44945e6ef4ce0790f49ea761b060c45b"}, {"url": "https://git.kernel.org/stable/c/6e7066bdb481a87fe88c4fa563e348c03b2d373d"}], "title": "netfilter: conntrack: remove sprintf usage", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: netfilter: conntrack: remove sprintf usage", "id": "2492329", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492329"}, "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-787", "details": ["A flaw was found in the Linux kernel's netfilter conntrack module. This vulnerability arises from the use of `sprintf` and insufficient buffer sizing in the `mangle_content_len()` function, which can lead to a stack-out-of-bounds write. An attacker could potentially exploit this memory corruption issue to cause a denial of service or other unspecified impacts."], "name": "CVE-2026-53002", "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": "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"}], "public_date": "2026-06-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53002\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53002\nhttps://lore.kernel.org/linux-cve-announce/2026062447-CVE-2026-53002-8577@gregkh/T"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,2f793ba78470a99f40389b7dc60a81d9f5ad3956)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,6bbf829b4c1b44c941c47dd0d710f1393258f3d5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,ab64e61c9323fa6de21bd20da1ddb29a0fb65d34)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,a8e0a32a23d3f34862af3b4da792ecb3a891a9a3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,8e3be0d12615a173fe260cd42753ca7a001acbf2)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,c08ff52e44945e6ef4ce0790f49ea761b060c45b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9fafcd7b203229c3f3893a475741afc27e276306,6e7066bdb481a87fe88c4fa563e348c03b2d373d)"}}], "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": "2.6.20"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.20)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.258,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.209,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.175,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.141,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.0.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "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": "2026-06-24T19:45:05.749158+00:00", "updated": "2026-06-28T13:45:06.277001+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}