{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-97436",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-24T14:53:16.869Z",
        "datePublished": "2026-09-24T16:03:49.183Z",
        "dateUpdated": "2026-10-03T10:58:20.945Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-03T10:58:20.945Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndpaa2-switch: rework FDB management on the bridge leave path\n\nOn bridge leave, the dpaa2_switch_port_set_fdb() function always\nallocates a new FDB for the port which is becoming standalone. In case\nno FDB is found, then the port leaving a bridge will continue to use the\ncurrent one.\n\nThe above logic does not cover the case in which there are multiple\nbridges which have ports from the same DPSW instance. In this case, when\nthe last port leaves bridge #1, it finds an unused FDB to switch to, but\nthe old FDB is not marked as unused. Since the number of FDBs is equal\nto the number of DPSW interfaces, this will eventually lead to multiple\nports sharing the same FDB.\n\nFix this by changing how we are managing the FDBs on the leave path.\nInstead of directly allocating a new FDB, first verify if the current\nport is the last one to leave a bridge. If this is the case, then\ncontinue to use the current FDB and only allocate another FDB if there\nare other ports remaining in the bridge."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c"
                    ],
                    "versions": [
                        {
                            "version": "539dda3c5d190c5088b5e57944b1b482fcb464de",
                            "lessThan": "ec41bfd281a8bc8027a42d2674eac5b74947ff7a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "539dda3c5d190c5088b5e57944b1b482fcb464de",
                            "lessThan": "e07ff2338f45adbf572850335d761c2f97545935",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "539dda3c5d190c5088b5e57944b1b482fcb464de",
                            "lessThan": "dc626f2abb3052881911b6166a9425739ce80085",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "539dda3c5d190c5088b5e57944b1b482fcb464de",
                            "lessThan": "abea361a11e4e48695ea149652ef5d3f308b6a49",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "539dda3c5d190c5088b5e57944b1b482fcb464de",
                            "lessThan": "5adbc4d02d7df8bd7aa02c21874f7a582a576b55",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "539dda3c5d190c5088b5e57944b1b482fcb464de",
                            "lessThan": "efc1d92eacf03afa6f4d53bf7120e059b6f961f2",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "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",
                            "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": "5.13",
                                    "versionEndExcluding": "5.15.222"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.1.189"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.6.158"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.12.111"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "6.18.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/ec41bfd281a8bc8027a42d2674eac5b74947ff7a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e07ff2338f45adbf572850335d761c2f97545935"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc626f2abb3052881911b6166a9425739ce80085"
                },
                {
                    "url": "https://git.kernel.org/stable/c/abea361a11e4e48695ea149652ef5d3f308b6a49"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5adbc4d02d7df8bd7aa02c21874f7a582a576b55"
                },
                {
                    "url": "https://git.kernel.org/stable/c/efc1d92eacf03afa6f4d53bf7120e059b6f961f2"
                }
            ],
            "title": "dpaa2-switch: rework FDB management on the bridge leave path",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}