{"api_version":"1","generated_at":"2026-08-22T09:29:32+00:00","cve":"CVE-2026-72448","urls":{"html":"https://cve.report/CVE-2026-72448","api":"https://cve.report/api/cve/CVE-2026-72448.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72448","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72448"},"summary":{"title":"octeontx2-pf: Fix leak of SQ timestamp buffer on teardown","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:18","updated_at":"2026-08-17 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72448","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c9c12d339d93366732112d7ff472958834bfc3c5 c642a530aaaeb9a3e356cedfe77955e7f983380e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c9c12d339d93366732112d7ff472958834bfc3c5 e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c9c12d339d93366732112d7ff472958834bfc3c5 d6c0b0c802d3c49b86cad665a7f3790dc55a0394 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c9c12d339d93366732112d7ff472958834bfc3c5 19d2d36e193c3fb515c052a56bfc83d8ac7b6764 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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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."}],"providerMetadata":{"dateUpdated":"2026-08-17T05:14:50.660Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72448","datePublished":"2026-08-15T05:56:57.701Z","dateReserved":"2026-08-09T03:40:39.931Z","dateUpdated":"2026-08-17T05:14:50.660Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:18","lastModifiedDate":"2026-08-17 06:19:12","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72448","Ordinal":"1","Title":"octeontx2-pf: Fix leak of SQ timestamp buffer on teardown","CVE":"CVE-2026-72448","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72448","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"octeontx2-pf: Fix leak of SQ timestamp buffer on teardown"}]}}}