{"id":"CVE-2026-72448","summary":"octeontx2-pf: Fix leak of SQ timestamp buffer on teardown","details":"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-\u003etimestamps,\nleaking that memory across ifdown and device removal.  Add the missing\nqmem_free() alongside the other SQ companion buffers.","modified":"2026-08-16T03:48:42.380893147Z","published":"2026-08-15T05:56:57.701Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72448.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/19d2d36e193c3fb515c052a56bfc83d8ac7b6764"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3d45d40b872aec0073d4cf08956a6c9b87c5e396"},{"type":"WEB","url":"https://git.kernel.org/stable/c/452ec5058ea4ed63adae8d6beeac9ee687fe8061"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a056db30de92945ff8ee6033096678bfbae878e3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c642a530aaaeb9a3e356cedfe77955e7f983380e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d6c0b0c802d3c49b86cad665a7f3790dc55a0394"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e8e9dff204e8d8553495893e1a44d2b5021648de"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72448.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72448"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"c9c12d339d93366732112d7ff472958834bfc3c5"},{"fixed":"c642a530aaaeb9a3e356cedfe77955e7f983380e"},{"fixed":"e68ada66afcae0bc2a7c06b43c5a9a081d29e7b4"},{"fixed":"d6c0b0c802d3c49b86cad665a7f3790dc55a0394"},{"fixed":"19d2d36e193c3fb515c052a56bfc83d8ac7b6764"},{"fixed":"e8e9dff204e8d8553495893e1a44d2b5021648de"},{"fixed":"3d45d40b872aec0073d4cf08956a6c9b87c5e396"},{"fixed":"452ec5058ea4ed63adae8d6beeac9ee687fe8061"},{"fixed":"a056db30de92945ff8ee6033096678bfbae878e3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72448.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.10.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72448.json"}}],"schema_version":"1.9.0"}