{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-49455","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T02:08:31.573Z","datePublished":"2025-02-26T02:13:04.116Z","dateUpdated":"2025-10-01T19:46:47.666Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:38:06.650Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: ocxl: fix possible double free in ocxl_file_register_afu\n\ninfo_release() will be called in device_unregister() when info->dev's\nreference count is 0. So there is no need to call ocxl_afu_put() and\nkfree() again.\n\nFix this by adding free_minor() and return to err_unregister error path."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/misc/ocxl/file.c"],"versions":[{"version":"75ca758adbafc81804c39b2c200ecdc819a6c042","lessThan":"de65c32ace9aa70d51facc61ba986607075e3a25","status":"affected","versionType":"git"},{"version":"75ca758adbafc81804c39b2c200ecdc819a6c042","lessThan":"ee89d8dee55ab4b3b8ad8b70866b2841ba334767","status":"affected","versionType":"git"},{"version":"75ca758adbafc81804c39b2c200ecdc819a6c042","lessThan":"8fb674216835e1f0c143762696d645facebb4685","status":"affected","versionType":"git"},{"version":"75ca758adbafc81804c39b2c200ecdc819a6c042","lessThan":"252768d32e92c1214aeebb5fec0844ca479bcf5c","status":"affected","versionType":"git"},{"version":"75ca758adbafc81804c39b2c200ecdc819a6c042","lessThan":"9e9087cf34ee69f4e95d146ac29385d6e367a97b","status":"affected","versionType":"git"},{"version":"75ca758adbafc81804c39b2c200ecdc819a6c042","lessThan":"950cf957fe34d40d63dfa3bf3968210430b6491e","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/misc/ocxl/file.c"],"versions":[{"version":"5.2","status":"affected"},{"version":"0","lessThan":"5.2","status":"unaffected","versionType":"semver"},{"version":"5.4.198","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.121","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.46","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.17.14","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18.3","lessThanOrEqual":"5.18.*","status":"unaffected","versionType":"semver"},{"version":"5.19","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":"5.2","versionEndExcluding":"5.4.198"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/de65c32ace9aa70d51facc61ba986607075e3a25"},{"url":"https://git.kernel.org/stable/c/ee89d8dee55ab4b3b8ad8b70866b2841ba334767"},{"url":"https://git.kernel.org/stable/c/8fb674216835e1f0c143762696d645facebb4685"},{"url":"https://git.kernel.org/stable/c/252768d32e92c1214aeebb5fec0844ca479bcf5c"},{"url":"https://git.kernel.org/stable/c/9e9087cf34ee69f4e95d146ac29385d6e367a97b"},{"url":"https://git.kernel.org/stable/c/950cf957fe34d40d63dfa3bf3968210430b6491e"}],"title":"misc: ocxl: fix possible double free in ocxl_file_register_afu","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49455","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T19:40:19.995096Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","cweId":"CWE-415","description":"CWE-415 Double Free"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:46:47.666Z"}}]}}