CVE-2026-68089

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68089", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.367Z", "datePublished": "2026-08-10T11:51:43.963Z", "dateUpdated": "2026-08-17T04:58:37.083Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:58:37.083Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/iio/industrialio-core.c"], "versions": [{"version": "6d5dd486c715908b5a6ed02315a15ff044a91025", "lessThan": "e166a8cfb28a3d0da260dd70cae274eb8c7cec8d", "status": "affected", "versionType": "git"}, {"version": "6d5dd486c715908b5a6ed02315a15ff044a91025", "lessThan": "89fbd3e32dffb6227f936a9578e6eb4632aa4580", "status": "affected", "versionType": "git"}, {"version": "6d5dd486c715908b5a6ed02315a15ff044a91025", "lessThan": "ab92ed206d41fd171ebd37bc46360d9f2140d043", "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-core.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "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"}]}]}], "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"}], "title": "iio: core: fix uninitialized data in debugfs", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/iio/industrialio-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "e166a8cfb28a3d0da260dd70cae274eb8c7cec8d", "status": "affected", "version": "6d5dd486c715908b5a6ed02315a15ff044a91025", "versionType": "git"}, {"lessThan": "89fbd3e32dffb6227f936a9578e6eb4632aa4580", "status": "affected", "version": "6d5dd486c715908b5a6ed02315a15ff044a91025", "versionType": "git"}, {"lessThan": "ab92ed206d41fd171ebd37bc46360d9f2140d043", "status": "affected", "version": "6d5dd486c715908b5a6ed02315a15ff044a91025", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/iio/industrialio-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.15"}, {"lessThan": "6.15", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.39", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "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."}], "id": "CVE-2026-68089", "lastModified": "2026-08-17T05:18:08.080", "metrics": {}, "published": "2026-08-10T12:17:21.603", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89fbd3e32dffb6227f936a9578e6eb4632aa4580"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ab92ed206d41fd171ebd37bc46360d9f2140d043"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e166a8cfb28a3d0da260dd70cae274eb8c7cec8d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: iio: core: fix uninitialized data in debugfs", "id": "2513134", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513134"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-824", "details": ["In the Linux kernel, the following vulnerability has been resolved:\niio: core: fix uninitialized data in debugfs\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.", "A flaw was found in the Linux kernel's Industrial I/O (iio) core debugfs component. When the *ppos value is non-zero during a call to simple_write_to_buffer(), the start of the buffer (buf[]) may not be properly initialized. This uninitialized data can lead to unpredictable behavior or potential information disclosure."], "name": "CVE-2026-68089", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68089\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68089\nhttps://lore.kernel.org/linux-cve-announce/2026081059-CVE-2026-68089-0b5a@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d5dd486c715908b5a6ed02315a15ff044a91025,e166a8cfb28a3d0da260dd70cae274eb8c7cec8d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d5dd486c715908b5a6ed02315a15ff044a91025,89fbd3e32dffb6227f936a9578e6eb4632aa4580)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6d5dd486c715908b5a6ed02315a15ff044a91025,ab92ed206d41fd171ebd37bc46360d9f2140d043)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.15"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.15)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T19:30:17.213476+00:00", "updated": "2026-08-13T10:45:04.006098+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}