{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-72448",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-09T03:40:39.931Z",
        "datePublished": "2026-08-15T05:56:57.701Z",
        "dateUpdated": "2026-08-17T05:14:50.660Z"
    },
    "containers": {
        "cna": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T05:14:50.660Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocteontx2-pf: Fix leak of SQ timestamp buffer on teardown\n\nThe send-queue timestamp ring is allocated with qmem_alloc() when\ntimestamping is used, but otx2_free_sq_res() never freed sq->timestamps,\nleaking that memory across ifdown and device removal.  Add the missing\nqmem_free() alongside the other SQ companion buffers."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c"
                    ],
                    "versions": [
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                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "c642a530aaaeb9a3e356cedfe77955e7f983380e",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
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                            "lessThan": "e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "d6c0b0c802d3c49b86cad665a7f3790dc55a0394",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "19d2d36e193c3fb515c052a56bfc83d8ac7b6764",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "e8e9dff204e8d8553495893e1a44d2b5021648de",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "3d45d40b872aec0073d4cf08956a6c9b87c5e396",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "452ec5058ea4ed63adae8d6beeac9ee687fe8061",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "c9c12d339d93366732112d7ff472958834bfc3c5",
                            "lessThan": "a056db30de92945ff8ee6033096678bfbae878e3",
                            "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/marvell/octeontx2/nic/otx2_pf.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "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": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/c642a530aaaeb9a3e356cedfe77955e7f983380e"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d6c0b0c802d3c49b86cad665a7f3790dc55a0394"
                },
                {
                    "url": "https://git.kernel.org/stable/c/19d2d36e193c3fb515c052a56bfc83d8ac7b6764"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e8e9dff204e8d8553495893e1a44d2b5021648de"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3d45d40b872aec0073d4cf08956a6c9b87c5e396"
                },
                {
                    "url": "https://git.kernel.org/stable/c/452ec5058ea4ed63adae8d6beeac9ee687fe8061"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a056db30de92945ff8ee6033096678bfbae878e3"
                }
            ],
            "title": "octeontx2-pf: Fix leak of SQ timestamp buffer on teardown",
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}