{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98077",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:19:56.074Z",
        "datePublished": "2026-09-25T10:24:15.691Z",
        "dateUpdated": "2026-10-19T09:13:26.849Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:13:26.849Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_conntrack_sip: fix OOB read in sip_skip_whitespace()\n\nsip_skip_whitespace() returns dptr unchanged when its own loop\nexhausts the buffer (dptr == limit), instead of NULL like its sibling\nsip_follow_continuation() returns on its own \"no more data\" path.\n\nct_sip_get_header() only checks for NULL after calling it:\n\n  dptr = sip_skip_whitespace(dptr, limit);\n  if (dptr == NULL)\n          break;\n  if (*dptr != ':' || ++dptr >= limit)\n          break;\n\nso a recognized header name followed only by spaces/tabs running to\nthe exact end of the SIP payload, with no colon, makes the very next\nstatement read one byte past the buffer.\n\nMake both \"no more data\" outcomes return NULL, matching the\nconvention sip_follow_continuation() already uses and that both\nexisting callers already check for."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "net/netfilter/nf_conntrack_sip.c"
                    ],
                    "versions": [
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "9ae0a87e6f513293677fe286729fbae34d592215",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "b6277622b7323000895b674321c9a1f060553188",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "0cfb96a118c5c6d46d7a1cfdfa18355ad734ca79",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "c6beb08b1a9fdb96795816d8329ed75dd785d48e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "60c012b2d05e1558b0f30ea3f15a2c3ca2f24d94",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "4be8380e3af008f418f97992c06f23be649a430d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "4a30aa2ba007db18210dd52219ecbd5528c03523",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "ea45f12a2766dae54e5426a23e8f4bafdbe2782e",
                            "lessThan": "e8f8231824b5815f57ce62cba116e511b10196de",
                            "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_conntrack_sip.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.26",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.26",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.271",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.222",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.189",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.158",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.111",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.7",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "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": "2.6.26",
                                    "versionEndExcluding": "5.10.271"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "7.2.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.26",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/9ae0a87e6f513293677fe286729fbae34d592215"
                },
                {
                    "url": "https://git.kernel.org/stable/c/b6277622b7323000895b674321c9a1f060553188"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0cfb96a118c5c6d46d7a1cfdfa18355ad734ca79"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c6beb08b1a9fdb96795816d8329ed75dd785d48e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/60c012b2d05e1558b0f30ea3f15a2c3ca2f24d94"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4be8380e3af008f418f97992c06f23be649a430d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4a30aa2ba007db18210dd52219ecbd5528c03523"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e8f8231824b5815f57ce62cba116e511b10196de"
                }
            ],
            "title": "netfilter: nf_conntrack_sip: fix OOB read in sip_skip_whitespace()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}