{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-46046", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.094Z", "datePublished": "2026-05-27T12:57:02.610Z", "dateUpdated": "2026-10-15T01:20:12.134Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:50:25.177Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()\n\nThe commit c8e008b60492 (\"ext4: ignore xattrs past end\")\nintroduced a refcount leak in when block_csum is false.\n\next4_xattr_inode_dec_ref_all() calls ext4_get_inode_loc() to\nget iloc.bh, but never releases it with brelse()." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ext4/xattr.c" ], "versions": [ { "version": "76c365fa7e2a8bb85f0190cdb4b8cdc99b2fdce3", "lessThan": "dd98a5603a212ea9c96c6982ccdbcc748fdb9a56", "status": "affected", "versionType": "git" }, { "version": "f737418b6de31c962c7192777ee4018906975383", "lessThan": "153ab2c52355fbebcae622db8e7b506492c73a29", "status": "affected", "versionType": "git" }, { "version": "cf9291a3449b04688b81e32621e88de8f4314b54", "lessThan": "b706d00206a9e82362a9633efbd8b5775650169b", "status": "affected", "versionType": "git" }, { "version": "362a90cecd36e8a5c415966d0b75b04a0270e4dd", "lessThan": "1bc1107a3a403a6d440673ed6666f7b07ef868a8", "status": "affected", "versionType": "git" }, { "version": "eb59cc31b6ea076021d14b04e7faab1636b87d0e", "lessThan": "097227f1ffe1a85bc3c359f81c71e3d40e06e920", "status": "affected", "versionType": "git" }, { "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd", "lessThan": "1e6b0a69bf2c9c819255c7566e4355536d81d9cf", "status": "affected", "versionType": "git" }, { "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd", "lessThan": "f072906688933bf47fabbaf63560be03357c8298", "status": "affected", "versionType": "git" }, { "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd", "lessThan": "77d059519382bd66283e6a4e83ee186e87e7708f", "status": "affected", "versionType": "git" }, { "version": "6aff941cb0f7d0c897c3698ad2e30672709135e3", "status": "affected", "versionType": "git" }, { "version": "3bc6317033f365ce578eb6039445fb66162722fd", "status": "affected", "versionType": "git" }, { "version": "836e625b03a666cf93ff5be328c8cb30336db872", "status": "affected", "versionType": "git" }, { "version": "5.10.237", "lessThan": "5.10.258", "status": "affected", "versionType": "semver" }, { "version": "5.15.181", "lessThan": "5.15.209", "status": "affected", "versionType": "semver" }, { "version": "6.1.135", "lessThan": "6.1.175", "status": "affected", "versionType": "semver" }, { "version": "6.6.88", "lessThan": "6.6.140", "status": "affected", "versionType": "semver" }, { "version": "6.12.24", "lessThan": "6.12.86", "status": "affected", "versionType": "semver" }, { "version": "5.4.293", "lessThan": "5.5", "status": "affected", "versionType": "semver" }, { "version": "6.13.12", "lessThan": "6.14", "status": "affected", "versionType": "semver" }, { "version": "6.14.3", "lessThan": "6.15", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/ext4/xattr.c" ], "versions": [ { "version": "6.15", "status": "affected" }, { "version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1", "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": "5.10.237", "versionEndExcluding": "5.10.258" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.181", "versionEndExcluding": "5.15.209" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.135", "versionEndExcluding": "6.1.175" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.88", "versionEndExcluding": "6.6.140" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.24", "versionEndExcluding": "6.12.86" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.18.27" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.0.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.293" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.13.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.14.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/dd98a5603a212ea9c96c6982ccdbcc748fdb9a56" }, { "url": "https://git.kernel.org/stable/c/153ab2c52355fbebcae622db8e7b506492c73a29" }, { "url": "https://git.kernel.org/stable/c/b706d00206a9e82362a9633efbd8b5775650169b" }, { "url": "https://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8" }, { "url": "https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920" }, { "url": "https://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf" }, { "url": "https://git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298" }, { "url": "https://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f" } ], "title": "ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "x_adpType": "supplier", "providerMetadata": { "orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-10-15T01:20:12.134Z" }, "affected": [ { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [ { "status": "affected", "version": "0", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" }, { "vendor": "Siemens", "product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP", "versions": [ { "status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom" } ], "defaultStatus": "unknown" } ], "references": [ { "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html" }, { "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html" }, { "url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html" } ] } ] } }