CVE-2026-80598

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repeated reads of a malicious compressed file can reliably deny service to the reading process or the entire system."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "1113fa5b01a47a1a4cdbb9c695197ca6215f02a8", "versionType": "git"}, {"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "61415ffa365d2eca6986914afd0d1412444aa1dd", "versionType": "git"}, {"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "bd77afca2ae9b6d44d37902e3ad672ebb028b070", "versionType": "git"}, {"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "c694f8ea2611e7413b3f04ee47e04a9b7b45817b", "versionType": "git"}, {"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "ff05a98150ebb2b03919a9c05c576681e86abbb7", "versionType": "git"}, {"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "a93980141253c932aa6ae5d4422d90e0162dc774", "versionType": "git"}, {"status": "affected", "version": "522e010b58379fbe19b38fdef5016bca0c3cf405", "lessThan": "7160a57192fb16d7a6fa9b7f5c7ac341d2444a89", "versionType": "git"}], "programFiles": ["fs/ntfs3/lznt.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.15"}, {"status": "unaffected", "version": "0", "lessThan": "5.15", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.97", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.40", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.5", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/ntfs3/lznt.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/1113fa5b01a47a1a4cdbb9c695197ca6215f02a8"}, {"url": "https://git.kernel.org/stable/c/61415ffa365d2eca6986914afd0d1412444aa1dd"}, {"url": "https://git.kernel.org/stable/c/bd77afca2ae9b6d44d37902e3ad672ebb028b070"}, {"url": "https://git.kernel.org/stable/c/c694f8ea2611e7413b3f04ee47e04a9b7b45817b"}, {"url": "https://git.kernel.org/stable/c/ff05a98150ebb2b03919a9c05c576681e86abbb7"}, {"url": "https://git.kernel.org/stable/c/a93980141253c932aa6ae5d4422d90e0162dc774"}, {"url": "https://git.kernel.org/stable/c/7160a57192fb16d7a6fa9b7f5c7ac341d2444a89"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nntfs3: fix out-of-bounds read in decompress_lznt\n\ndecompress_lznt() does not validate array index bounds before accessing\nthe decompression table. A corrupted NTFS3 image with invalid compressed\ndata can trigger an out-of-bounds read.\n\nAdd index bounds checking to prevent the OOB access."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.97", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.40", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.5", "versionStartIncluding": "5.15"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "5.15"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-30T07:08:34.000Z"}}}, "cveMetadata": {"cveId": "CVE-2026-80598", "state": "PUBLISHED", "dateUpdated": "2026-10-16T19:26:29.603Z", "dateReserved": "2026-08-26T14:34:25.771Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-08-28T06:48:24.097Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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{"bugzilla": {"description": "kernel: ntfs3: fix out-of-bounds read in decompress_lznt", "id": "2525383", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525383"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nntfs3: fix out-of-bounds read in decompress_lznt\ndecompress_lznt() does not validate array index bounds before accessing\nthe decompression table. A corrupted NTFS3 image with invalid compressed\ndata can trigger an out-of-bounds read.\nAdd index bounds checking to prevent the OOB access.", "A flaw was found in the `ntfs3` component of the Linux kernel. This vulnerability occurs because the `decompress_lznt()` function, responsible for decompressing data, does not correctly check the boundaries of an array index. An attacker could exploit this by providing a corrupted NTFS3 image containing invalid compressed data. This could lead to an out-of-bounds read, potentially causing system instability or the disclosure of sensitive information."], "name": "CVE-2026-80598", "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": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80598\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80598\nhttps://lore.kernel.org/linux-cve-announce/2026082831-CVE-2026-80598-1575@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,1113fa5b01a47a1a4cdbb9c695197ca6215f02a8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,61415ffa365d2eca6986914afd0d1412444aa1dd)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,bd77afca2ae9b6d44d37902e3ad672ebb028b070)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,c694f8ea2611e7413b3f04ee47e04a9b7b45817b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,ff05a98150ebb2b03919a9c05c576681e86abbb7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,a93980141253c932aa6ae5d4422d90e0162dc774)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,7160a57192fb16d7a6fa9b7f5c7ac341d2444a89)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.15.212)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.1.178)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.6.145)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.12.97)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,6.18.40)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.5)"}}], "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": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2,*]"}}], "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": "2026-08-28T09:30:17.969931+00:00", "updated": "2026-08-31T16:15:08.065770+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}