{"id":"CVE-2026-68089","state":"PUBLISHED","title":"iio: core: fix uninitialized data in debugfs","description":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: core: fix uninitialized data in debugfs\n\nIf *ppos is non-zero then simple_write_to_buffer() will not initialize\nthe start of buf[].  Non zero values for *ppos aren't going to work\nanyway.  Test for them at the start of the function and return -EINVAL.","publishedAt":"2026-08-10T11:51:43.963Z","updatedAt":"2026-08-17T04:58:37.083Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6d5dd486c715908b5a6ed02315a15ff044a91025","status":"affected","lessThan":"e166a8cfb28a3d0da260dd70cae274eb8c7cec8d","versionType":"git"},{"version":"6d5dd486c715908b5a6ed02315a15ff044a91025","status":"affected","lessThan":"89fbd3e32dffb6227f936a9578e6eb4632aa4580","versionType":"git"},{"version":"6d5dd486c715908b5a6ed02315a15ff044a91025","status":"affected","lessThan":"ab92ed206d41fd171ebd37bc46360d9f2140d043","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","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/iio/industrialio-core.c"]}],"references":["https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d","https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580","https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68089.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68089","state":"PUBLISHED","datePublished":"2026-08-10T11:51:43.963Z","dateUpdated":"2026-08-17T04:58:37.083Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.367Z"},"containers":{"cna":{"title":"iio: core: fix uninitialized data in debugfs","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: core: fix uninitialized data in debugfs\n\nIf *ppos is non-zero then simple_write_to_buffer() will not initialize\nthe start of buf[].  Non zero values for *ppos aren't going to work\nanyway.  Test for them at the start of the function and return -EINVAL."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6d5dd486c715908b5a6ed02315a15ff044a91025","status":"affected","lessThan":"e166a8cfb28a3d0da260dd70cae274eb8c7cec8d","versionType":"git"},{"version":"6d5dd486c715908b5a6ed02315a15ff044a91025","status":"affected","lessThan":"89fbd3e32dffb6227f936a9578e6eb4632aa4580","versionType":"git"},{"version":"6d5dd486c715908b5a6ed02315a15ff044a91025","status":"affected","lessThan":"ab92ed206d41fd171ebd37bc46360d9f2140d043","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.15","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","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/iio/industrialio-core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d"},{"url":"https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580"},{"url":"https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:58:37.083Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.15","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}