{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98668","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.363Z","datePublished":"2026-10-18T15:44:55.291Z","dateUpdated":"2026-10-21T12:55:32.591Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-21T12:55:32.591Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\niio: buffer: Ensure bounce buffer used for unaligned case is zeroed.\n\niio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory\nto userspace if the data passed in is not a multiple of 8 bytes and the\ntimestamp is enabled. Specify __GFP_ZERO for the devm_krealloc()\nto ensure any extra space is cleared."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/iio/industrialio-buffer.c"],"versions":[{"version":"95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6","lessThan":"b4f53cec8cc94b37601ce0bb2b272b6753beed98","status":"affected","versionType":"git"},{"version":"95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6","lessThan":"b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2","status":"affected","versionType":"git"},{"version":"95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6","lessThan":"b134ef820610bd873c9d59999d9824710964ce82","status":"affected","versionType":"git"},{"version":"95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6","lessThan":"3a87212b1a09a1fdd730ce5520f7b1fc0b488511","status":"affected","versionType":"git"},{"version":"95ec3fdf2b79eaff79e78688bbc2f7dbb98d68b6","lessThan":"5330036bc68d23672bfcc16c60c54701ae123083","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/iio/industrialio-buffer.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.113","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.56","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.10","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","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":"5.16","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b4f53cec8cc94b37601ce0bb2b272b6753beed98"},{"url":"https://git.kernel.org/stable/c/b5c2f21f645e40c70fda2a4283e6f2a81e5cb9f2"},{"url":"https://git.kernel.org/stable/c/b134ef820610bd873c9d59999d9824710964ce82"},{"url":"https://git.kernel.org/stable/c/3a87212b1a09a1fdd730ce5520f7b1fc0b488511"},{"url":"https://git.kernel.org/stable/c/5330036bc68d23672bfcc16c60c54701ae123083"}],"title":"iio: buffer: Ensure bounce buffer used for unaligned case is zeroed.","x_generator":{"engine":"bippy-1.2.0"}}}}