{"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": "2026-08-15T05:56:57.701Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T05:56:57.701Z"}, "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": [{"version": "c9c12d339d93366732112d7ff472958834bfc3c5", "lessThan": "c642a530aaaeb9a3e356cedfe77955e7f983380e", "status": "affected", "versionType": "git"}, {"version": "c9c12d339d93366732112d7ff472958834bfc3c5", "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-rc1", "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": "5.10", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "7.2-rc1"}]}]}], "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", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c642a530aaaeb9a3e356cedfe77955e7f983380e", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "d6c0b0c802d3c49b86cad665a7f3790dc55a0394", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "19d2d36e193c3fb515c052a56bfc83d8ac7b6764", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "e8e9dff204e8d8553495893e1a44d2b5021648de", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "3d45d40b872aec0073d4cf08956a6c9b87c5e396", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "452ec5058ea4ed63adae8d6beeac9ee687fe8061", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}, {"lessThan": "a056db30de92945ff8ee6033096678bfbae878e3", "status": "affected", "version": "c9c12d339d93366732112d7ff472958834bfc3c5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.10"}, {"lessThan": "5.10", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-72448", "lastModified": "2026-08-15T06:22:18.723", "metrics": {}, "published": "2026-08-15T06:22:18.723", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19d2d36e193c3fb515c052a56bfc83d8ac7b6764"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3d45d40b872aec0073d4cf08956a6c9b87c5e396"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/452ec5058ea4ed63adae8d6beeac9ee687fe8061"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a056db30de92945ff8ee6033096678bfbae878e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c642a530aaaeb9a3e356cedfe77955e7f983380e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6c0b0c802d3c49b86cad665a7f3790dc55a0394"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e8e9dff204e8d8553495893e1a44d2b5021648de"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}