{"id":"CVE-2026-68468","state":"PUBLISHED","title":"mtd: virt-concat: free duplicate generated name","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: virt-concat: free duplicate generated name\n\nEvery MTD registration runs mtd_virt_concat_create_join().  Once a\nvirtual concat has already been registered, the function builds the same\nname again and takes the equal-name branch.  That branch skips to the\nnext item without freeing the newly allocated string.\n\nFree the temporary name before continuing.","publishedAt":"2026-08-15T05:51:26.686Z","updatedAt":"2026-08-17T05:06:10.123Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"43db6366fc2de02050e66389f5628d3fdc9af10a","status":"affected","lessThan":"0e65079d28e5c461b6813ea5821be4dfff24ff63","versionType":"git"},{"version":"43db6366fc2de02050e66389f5628d3fdc9af10a","status":"affected","lessThan":"caa0ecbeff4f7fbf70f22bd8ca598918bffb1b78","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtd_virt_concat.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtd_virt_concat.c"]}],"references":["https://git.kernel.org/stable/c/0e65079d28e5c461b6813ea5821be4dfff24ff63","https://git.kernel.org/stable/c/caa0ecbeff4f7fbf70f22bd8ca598918bffb1b78"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68468.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68468","state":"PUBLISHED","datePublished":"2026-08-15T05:51:26.686Z","dateUpdated":"2026-08-17T05:06:10.123Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.396Z"},"containers":{"cna":{"title":"mtd: virt-concat: free duplicate generated name","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: virt-concat: free duplicate generated name\n\nEvery MTD registration runs mtd_virt_concat_create_join().  Once a\nvirtual concat has already been registered, the function builds the same\nname again and takes the equal-name branch.  That branch skips to the\nnext item without freeing the newly allocated string.\n\nFree the temporary name before continuing."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"43db6366fc2de02050e66389f5628d3fdc9af10a","status":"affected","lessThan":"0e65079d28e5c461b6813ea5821be4dfff24ff63","versionType":"git"},{"version":"43db6366fc2de02050e66389f5628d3fdc9af10a","status":"affected","lessThan":"caa0ecbeff4f7fbf70f22bd8ca598918bffb1b78","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtd_virt_concat.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.1","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/mtd/mtd_virt_concat.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0e65079d28e5c461b6813ea5821be4dfff24ff63"},{"url":"https://git.kernel.org/stable/c/caa0ecbeff4f7fbf70f22bd8ca598918bffb1b78"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:06:10.123Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.1","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}