{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46285","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.110Z","datePublished":"2026-06-08T15:41:28.566Z","dateUpdated":"2026-06-14T18:06:23.744Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T18:06:23.744Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: docg3: fix use-after-free in docg3_release()\n\nIn docg3_release(), the docg3 pointer is obtained from\ncascade->floors[0]->priv before the loop that calls\ndoc_release_device() on each floor. doc_release_device() frees the\ndocg3 struct via kfree(docg3) at line 1881. After the loop,\ndocg3->cascade->bch dereferences the already-freed pointer.\n\nFix this by accessing cascade->bch directly, which is equivalent\nsince docg3->cascade points back to the same cascade struct, and\nis already available as a local variable. This also removes the\nnow-unused docg3 local variable."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/devices/docg3.c"],"versions":[{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"8408655ec8344511667b61d8257dc59c80ee3391","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"f5d2ed4ed47d3906e2495a3537a48b127f497a17","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"2bf706fe7831b319f23a85b9728f961cfed40c3e","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"d26f8c361f751c188b7ebaf8189aa0258968fd98","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"16f6588a3b7a2a20d10ad9b766be74c60ba347cc","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"d89044889ecd11b0c2f86663597246e9bdd25679","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"d49628d63d4e6bbc8a1621afb88e5fc901611bee","status":"affected","versionType":"git"},{"version":"c8ae3f744ddca0da164bcacee42d1d4b6fe7027d","lessThan":"ca19808bc6fac7e29420d8508df569b346b3e339","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/mtd/devices/docg3.c"],"versions":[{"version":"5.8","status":"affected"},{"version":"0","lessThan":"5.8","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.86","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"5.8","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.8","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/8408655ec8344511667b61d8257dc59c80ee3391"},{"url":"https://git.kernel.org/stable/c/f5d2ed4ed47d3906e2495a3537a48b127f497a17"},{"url":"https://git.kernel.org/stable/c/2bf706fe7831b319f23a85b9728f961cfed40c3e"},{"url":"https://git.kernel.org/stable/c/d26f8c361f751c188b7ebaf8189aa0258968fd98"},{"url":"https://git.kernel.org/stable/c/16f6588a3b7a2a20d10ad9b766be74c60ba347cc"},{"url":"https://git.kernel.org/stable/c/d89044889ecd11b0c2f86663597246e9bdd25679"},{"url":"https://git.kernel.org/stable/c/d49628d63d4e6bbc8a1621afb88e5fc901611bee"},{"url":"https://git.kernel.org/stable/c/ca19808bc6fac7e29420d8508df569b346b3e339"}],"title":"mtd: docg3: fix use-after-free in docg3_release()","x_generator":{"engine":"bippy-1.2.0"}}}}