{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-98572",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-25T10:25:14.357Z",
        "datePublished": "2026-10-18T15:18:38.105Z",
        "dateUpdated": "2026-10-19T09:21:57.711Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T09:21:57.711Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix immediate JMP JEQ/JNE on MIPS32\n\nAn addu instruction was emitted instead of addiu, causing the immediate\nvalue 1 to be interpreted as register $at. This made the comparison\nresult invalid when the immediate operand was negative. Note that $at\nis mapped to BPF_REG_AX, which is used for constant blinding.\n\nFix the instruction to use the immediate form.\n\nFound with test_bpf on MIPS32r1 emulated by QEMU."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/mips/net/bpf_jit_comp32.c"
                    ],
                    "versions": [
                        {
                            "version": "eb63cfcd2ee8ec3805f6881f43341f589c3d2278",
                            "lessThan": "1547e9f3a7d71971216e6dba30270cae13fe4e02",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb63cfcd2ee8ec3805f6881f43341f589c3d2278",
                            "lessThan": "beeae92e70e705e90a0d6d9b3b8498ee3b92f495",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb63cfcd2ee8ec3805f6881f43341f589c3d2278",
                            "lessThan": "6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb63cfcd2ee8ec3805f6881f43341f589c3d2278",
                            "lessThan": "876ef04c75c2751acfd355606fca3eced71dec65",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb63cfcd2ee8ec3805f6881f43341f589c3d2278",
                            "lessThan": "1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "eb63cfcd2ee8ec3805f6881f43341f589c3d2278",
                            "lessThan": "db762fd96be225bd06161c9631160c755d891693",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "arch/mips/net/bpf_jit_comp32.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "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": "6.12.112",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.55",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.9",
                            "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": "5.16",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.12.112"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "6.18.55"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "7.2.9"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "7.3"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/1547e9f3a7d71971216e6dba30270cae13fe4e02"
                },
                {
                    "url": "https://git.kernel.org/stable/c/beeae92e70e705e90a0d6d9b3b8498ee3b92f495"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6f939529ed6c580e9b6c5daa20be67fa0b3d4cf0"
                },
                {
                    "url": "https://git.kernel.org/stable/c/876ef04c75c2751acfd355606fca3eced71dec65"
                },
                {
                    "url": "https://git.kernel.org/stable/c/1bd91670966a7142ac94f2cebe2b5ae6bf5cb0c8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/db762fd96be225bd06161c9631160c755d891693"
                }
            ],
            "title": "bpf: Fix immediate JMP JEQ/JNE on MIPS32",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}