{"id":"CVE-2026-53296","summary":"mailbox: mailbox-test: free channels on probe error","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmailbox: mailbox-test: free channels on probe error\n\nOn probe error, free the previously obtained channels. This not only\nprevents a leak, but also UAF scenarios because the client structure\nwill be removed nonetheless because it was allocated with devm.","modified":"2026-07-11T03:55:10.357307182Z","published":"2026-06-26T19:40:54.341Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53296.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664"},{"type":"WEB","url":"https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64"},{"type":"WEB","url":"https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701"},{"type":"WEB","url":"https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365"},{"type":"WEB","url":"https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53296.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53296"},{"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":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7"},{"fixed":"0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b"},{"fixed":"15c4cc3850cfe1b973eb7b63c02314b267f06a64"},{"fixed":"187069ccc3474516af32350e20d7e449160fa6de"},{"fixed":"81c9e7e4030e71391ab479c4c6e17b64802577aa"},{"fixed":"6c6ce2ccb4fcf1617fec83f91b21aa0265f30701"},{"fixed":"742001919653e7313b4e91780c5d108be1692365"},{"fixed":"02beb178e2e159daeb8f992d7abb16a37da31664"},{"fixed":"c02053a9055d5fdfd32432287cca8958db1d5bc5"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53296.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.141"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.91"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.33"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.10"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-53296.json"}}],"schema_version":"1.7.5"}