{"id":"CVE-2026-98833","state":"PUBLISHED","title":"mtd: core: call _get_device() with the master MTD","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: call _get_device() with the master MTD\n\n__get_mtd_device() calls the master's _get_device() callback with mtd,\nwhich may be a partition. __put_mtd_device() passes the master.\n\nThis breaks gluebi partitions because gluebi_get_device() uses\ncontainer_of() and therefore requires the master MTD. Pass the master\nto _get_device(), matching _put_device().","publishedAt":"2026-10-18T15:49:42.181Z","updatedAt":"2026-10-30T12:40:04.468Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"522e821e41654eb06d2f21ac78a0f22fb6b198c2","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"e7e37358408b0690c367cf38aec81a9b7e2475b5","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"d94731cafa57e2c986ff391122d1494e5a3f3c3f","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"95c8f36293c22d450c371167ad4f9a5bbadc7539","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"f971f1c63cf71579258360a12bd185bc1cd1a043","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"dc482a281a19a7d7e91ad1b2d551bb301c54d0e6","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"12b31d1acd20b3185bb5f0748db0cf6874c8e9d1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtdcore.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtdcore.c"]}],"references":["https://git.kernel.org/stable/c/522e821e41654eb06d2f21ac78a0f22fb6b198c2","https://git.kernel.org/stable/c/e7e37358408b0690c367cf38aec81a9b7e2475b5","https://git.kernel.org/stable/c/d94731cafa57e2c986ff391122d1494e5a3f3c3f","https://git.kernel.org/stable/c/95c8f36293c22d450c371167ad4f9a5bbadc7539","https://git.kernel.org/stable/c/f971f1c63cf71579258360a12bd185bc1cd1a043","https://git.kernel.org/stable/c/dc482a281a19a7d7e91ad1b2d551bb301c54d0e6","https://git.kernel.org/stable/c/12b31d1acd20b3185bb5f0748db0cf6874c8e9d1"],"weaknesses":[],"ingestedAt":"2026-10-30T13:00:06.648Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98833.json","commit":"cb14bf1b43b0c9f05f7f40eae2246263fd430780","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98833","state":"PUBLISHED","datePublished":"2026-10-18T15:49:42.181Z","dateUpdated":"2026-10-30T12:40:04.468Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.372Z"},"containers":{"cna":{"title":"mtd: core: call _get_device() with the master MTD","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: core: call _get_device() with the master MTD\n\n__get_mtd_device() calls the master's _get_device() callback with mtd,\nwhich may be a partition. __put_mtd_device() passes the master.\n\nThis breaks gluebi partitions because gluebi_get_device() uses\ncontainer_of() and therefore requires the master MTD. Pass the master\nto _get_device(), matching _put_device()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"522e821e41654eb06d2f21ac78a0f22fb6b198c2","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"e7e37358408b0690c367cf38aec81a9b7e2475b5","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"d94731cafa57e2c986ff391122d1494e5a3f3c3f","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"95c8f36293c22d450c371167ad4f9a5bbadc7539","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"f971f1c63cf71579258360a12bd185bc1cd1a043","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"dc482a281a19a7d7e91ad1b2d551bb301c54d0e6","versionType":"git"},{"version":"46b5889cc2c54bac7d7e727a44d28a298df23cef","status":"affected","lessThan":"12b31d1acd20b3185bb5f0748db0cf6874c8e9d1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtdcore.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","versionType":"semver"},{"version":"5.15.224","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtdcore.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/522e821e41654eb06d2f21ac78a0f22fb6b198c2"},{"url":"https://git.kernel.org/stable/c/e7e37358408b0690c367cf38aec81a9b7e2475b5"},{"url":"https://git.kernel.org/stable/c/d94731cafa57e2c986ff391122d1494e5a3f3c3f"},{"url":"https://git.kernel.org/stable/c/95c8f36293c22d450c371167ad4f9a5bbadc7539"},{"url":"https://git.kernel.org/stable/c/f971f1c63cf71579258360a12bd185bc1cd1a043"},{"url":"https://git.kernel.org/stable/c/dc482a281a19a7d7e91ad1b2d551bb301c54d0e6"},{"url":"https://git.kernel.org/stable/c/12b31d1acd20b3185bb5f0748db0cf6874c8e9d1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:40:04.468Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}