{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-68355",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-30T09:28:09.385Z",
        "datePublished": "2026-08-10T12:03:32.321Z",
        "dateUpdated": "2026-08-19T16:34:03.197Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-19T16:34:03.197Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get()\n\nWhen the first entry in msdu_details has a zero buffer address,\nthe code accesses msdu_details[i - 1] with i == 0, causing a\nbuffer underflow.\n\nFix similarly to ath12k_wifi7_hal_rx_msdu_list_get() by adding\na separate check for i == 0 before the main condition to prevent\nthe out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/ath/ath11k/dp_rx.c"
                    ],
                    "versions": [
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "085a5fde5bac29c01059e69399b417e91c0a6c18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "31ea4b175bc3ab430be15834d9ee8a1ce65bee15",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "20d18a5ec6ec364fcaf0d03af6fc43dcc42c6591",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "904367381a922aa2dc3e8bd2488e6c9180516c7a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "a154ca3c441a67d36b3a9ea63a4f11b06abe6223",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d5c65159f2895379e11ca13f62feabe93278985d",
                            "lessThan": "7f11e70629650ff6ea140984e5ce188b775b2683",
                            "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/wireless/ath/ath11k/dp_rx.c"
                    ],
                    "versions": [
                        {
                            "version": "5.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.265",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.216",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.183",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.148",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.101",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.42",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.6",
                            "lessThanOrEqual": "7.1.*",
                            "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": "5.6",
                                    "versionEndExcluding": "5.10.265"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "5.15.216"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.1.183"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.6.148"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.12.101"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "6.18.42"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "7.1.6"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.6",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/085a5fde5bac29c01059e69399b417e91c0a6c18"
                },
                {
                    "url": "https://git.kernel.org/stable/c/31ea4b175bc3ab430be15834d9ee8a1ce65bee15"
                },
                {
                    "url": "https://git.kernel.org/stable/c/20d18a5ec6ec364fcaf0d03af6fc43dcc42c6591"
                },
                {
                    "url": "https://git.kernel.org/stable/c/69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/904367381a922aa2dc3e8bd2488e6c9180516c7a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a154ca3c441a67d36b3a9ea63a4f11b06abe6223"
                },
                {
                    "url": "https://git.kernel.org/stable/c/725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7f11e70629650ff6ea140984e5ce188b775b2683"
                }
            ],
            "title": "wifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}