{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72011", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.899Z", "datePublished": "2026-08-15T05:51:40.489Z", "dateUpdated": "2026-08-17T05:06:33.180Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:06:33.180Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/diag: Add missing array_index_nospec() call to memtop_get_page_count()\n\n'level' is user space controlled and used to read from an array. Add the\nmissing array_index_nospec() call to prevent speculative execution."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kernel/diag/diag310.c"], "versions": [{"version": "0d30871739ab433e114b0058f08b6b1c7b816f7e", "lessThan": "c6b4d454865a81ceea1422243aaaedc363b6f713", "status": "affected", "versionType": "git"}, {"version": "0d30871739ab433e114b0058f08b6b1c7b816f7e", "lessThan": "83fe36f81200b7a85f8efe0a68a4e58be84d5f64", "status": "affected", "versionType": "git"}, {"version": "0d30871739ab433e114b0058f08b6b1c7b816f7e", "lessThan": "b7577fe4c47a31ca7c99714c53244a44af03cdfe", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/kernel/diag/diag310.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "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": "6.14", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c6b4d454865a81ceea1422243aaaedc363b6f713"}, {"url": "https://git.kernel.org/stable/c/83fe36f81200b7a85f8efe0a68a4e58be84d5f64"}, {"url": "https://git.kernel.org/stable/c/b7577fe4c47a31ca7c99714c53244a44af03cdfe"}], "title": "s390/diag: Add missing array_index_nospec() call to memtop_get_page_count()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/s390/kernel/diag/diag310.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c6b4d454865a81ceea1422243aaaedc363b6f713", "status": "affected", "version": "0d30871739ab433e114b0058f08b6b1c7b816f7e", "versionType": "git"}, {"lessThan": "83fe36f81200b7a85f8efe0a68a4e58be84d5f64", "status": "affected", "version": "0d30871739ab433e114b0058f08b6b1c7b816f7e", "versionType": "git"}, {"lessThan": "b7577fe4c47a31ca7c99714c53244a44af03cdfe", "status": "affected", "version": "0d30871739ab433e114b0058f08b6b1c7b816f7e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/s390/kernel/diag/diag310.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "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\ns390/diag: Add missing array_index_nospec() call to memtop_get_page_count()\n\n'level' is user space controlled and used to read from an array. Add the\nmissing array_index_nospec() call to prevent speculative execution."}], "id": "CVE-2026-72011", "lastModified": "2026-08-17T06:17:58.557", "metrics": {}, "published": "2026-08-15T06:20:59.800", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83fe36f81200b7a85f8efe0a68a4e58be84d5f64"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b7577fe4c47a31ca7c99714c53244a44af03cdfe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c6b4d454865a81ceea1422243aaaedc363b6f713"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: s390/diag: Add missing array_index_nospec() call to memtop_get_page_count()", "id": "2516239", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516239"}, "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-125", "details": ["A flaw was found in the Linux kernel's s390/diag component. A local user could exploit a missing bounds check when handling a user-controlled 'level' variable, which is used to read from an array. This vulnerability could lead to information disclosure through speculative execution, potentially allowing an attacker to access sensitive data."], "name": "CVE-2026-72011", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72011\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72011\nhttps://lore.kernel.org/linux-cve-announce/2026081508-CVE-2026-72011-9cd3@gregkh/T"], "threat_severity": "Low"}