{"api_version":"1","generated_at":"2026-07-03T14:33:56+00:00","cve":"CVE-2026-53296","urls":{"html":"https://cve.report/CVE-2026-53296","api":"https://cve.report/api/cve/CVE-2026-53296.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-53296","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53296"},"summary":{"title":"mailbox: mailbox-test: free channels on probe error","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-26 20:17:22","updated_at":"2026-06-30 14:44:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664","name":"https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365","name":"https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64","name":"https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa","name":"https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701","name":"https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de","name":"https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5","name":"https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b","name":"https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-53296","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53296","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 15c4cc3850cfe1b973eb7b63c02314b267f06a64 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 187069ccc3474516af32350e20d7e449160fa6de git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 81c9e7e4030e71391ab479c4c6e17b64802577aa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 6c6ce2ccb4fcf1617fec83f91b21aa0265f30701 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 742001919653e7313b4e91780c5d108be1692365 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 02beb178e2e159daeb8f992d7abb16a37da31664 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 8ea4484d0c2bb4e2152261943fa1a3522654b1c7 c02053a9055d5fdfd32432287cca8958db1d5bc5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.4","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.4 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.258 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.209 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.175 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.141 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.91 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.33 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0.10 7.0.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"53296","cve":"CVE-2026-53296","epss":"0.001760000","percentile":"0.073810000","score_date":"2026-07-02","updated_at":"2026-07-03 00:06:13"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/mailbox/mailbox-test.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"15c4cc3850cfe1b973eb7b63c02314b267f06a64","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"187069ccc3474516af32350e20d7e449160fa6de","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"81c9e7e4030e71391ab479c4c6e17b64802577aa","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"6c6ce2ccb4fcf1617fec83f91b21aa0265f30701","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"742001919653e7313b4e91780c5d108be1692365","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"02beb178e2e159daeb8f992d7abb16a37da31664","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"},{"lessThan":"c02053a9055d5fdfd32432287cca8958db1d5bc5","status":"affected","version":"8ea4484d0c2bb4e2152261943fa1a3522654b1c7","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/mailbox/mailbox-test.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.4"},{"lessThan":"4.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.258","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.209","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.175","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.141","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.91","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.33","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0.10","versionStartIncluding":"4.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1","versionStartIncluding":"4.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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."}],"providerMetadata":{"dateUpdated":"2026-06-26T19:40:54.341Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0ad8c4a03a358de7811ba1ab8cbd1fe76ad0ff6b"},{"url":"https://git.kernel.org/stable/c/15c4cc3850cfe1b973eb7b63c02314b267f06a64"},{"url":"https://git.kernel.org/stable/c/187069ccc3474516af32350e20d7e449160fa6de"},{"url":"https://git.kernel.org/stable/c/81c9e7e4030e71391ab479c4c6e17b64802577aa"},{"url":"https://git.kernel.org/stable/c/6c6ce2ccb4fcf1617fec83f91b21aa0265f30701"},{"url":"https://git.kernel.org/stable/c/742001919653e7313b4e91780c5d108be1692365"},{"url":"https://git.kernel.org/stable/c/02beb178e2e159daeb8f992d7abb16a37da31664"},{"url":"https://git.kernel.org/stable/c/c02053a9055d5fdfd32432287cca8958db1d5bc5"}],"title":"mailbox: mailbox-test: free channels on probe error","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-53296","datePublished":"2026-06-26T19:40:54.341Z","dateReserved":"2026-06-09T07:44:35.396Z","dateUpdated":"2026-06-26T19:40:54.341Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-26 20:17:22","lastModifiedDate":"2026-06-30 14:44:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"53296","Ordinal":"1","Title":"mailbox: mailbox-test: free channels on probe error","CVE":"CVE-2026-53296","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"53296","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"mailbox: mailbox-test: free channels on probe error"}]}}}