{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-68820", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-24T10:30:51.048Z", "datePublished": "2026-01-13T15:29:23.351Z", "dateUpdated": "2026-07-14T12:44:25.986Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T16:02:59.512Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: xattr: fix null pointer deref in ext4_raw_inode()\n\nIf ext4_get_inode_loc() fails (e.g. if it returns -EFSCORRUPTED),\niloc.bh will remain set to NULL. Since ext4_xattr_inode_dec_ref_all()\nlacks error checking, this will lead to a null pointer dereference\nin ext4_raw_inode(), called right after ext4_get_inode_loc().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE." } ], "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": "b72a3476f0c97d02f63a6e9fff127348d55436f6", "status": "affected", "versionType": "git" }, { "version": "f737418b6de31c962c7192777ee4018906975383", "lessThan": "3d8d22e75f7edfa0b30ff27330fd6a1285d594c3", "status": "affected", "versionType": "git" }, { "version": "cf9291a3449b04688b81e32621e88de8f4314b54", "lessThan": "190ad0f22ba49f1101182b80e3af50ca2ddfe72f", "status": "affected", "versionType": "git" }, { "version": "362a90cecd36e8a5c415966d0b75b04a0270e4dd", "lessThan": "b5d942922182e82724b7152cb998f540132885ec", "status": "affected", "versionType": "git" }, { "version": "eb59cc31b6ea076021d14b04e7faab1636b87d0e", "lessThan": "5b154e901fda2e98570b8f426a481f5740097dc2", "status": "affected", "versionType": "git" }, { "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd", "lessThan": "ce5f54c065a4a7cbb92787f4f140917112350142", "status": "affected", "versionType": "git" }, { "version": "c8e008b60492cf6fd31ef127aea6d02fd3d314cd", "lessThan": "b97cb7d6a051aa6ebd57906df0e26e9e36c26d14", "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": "5.10.248", "status": "affected", "versionType": "semver" }, { "version": "5.15.181", "lessThan": "5.15.198", "status": "affected", "versionType": "semver" }, { "version": "6.1.135", "lessThan": "6.1.160", "status": "affected", "versionType": "semver" }, { "version": "6.6.88", "lessThan": "6.6.120", "status": "affected", "versionType": "semver" }, { "version": "6.12.24", "lessThan": "6.12.64", "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": "5.10.248", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.198", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.160", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.120", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.64", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.3", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.19", "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": "5.10.248" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.181", "versionEndExcluding": "5.15.198" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.135", "versionEndExcluding": "6.1.160" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.88", "versionEndExcluding": "6.6.120" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12.24", "versionEndExcluding": "6.12.64" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.18.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.19" }, { "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/b72a3476f0c97d02f63a6e9fff127348d55436f6" }, { "url": "https://git.kernel.org/stable/c/3d8d22e75f7edfa0b30ff27330fd6a1285d594c3" }, { "url": "https://git.kernel.org/stable/c/190ad0f22ba49f1101182b80e3af50ca2ddfe72f" }, { "url": "https://git.kernel.org/stable/c/b5d942922182e82724b7152cb998f540132885ec" }, { "url": "https://git.kernel.org/stable/c/5b154e901fda2e98570b8f426a481f5740097dc2" }, { "url": "https://git.kernel.org/stable/c/ce5f54c065a4a7cbb92787f4f140917112350142" }, { "url": "https://git.kernel.org/stable/c/b97cb7d6a051aa6ebd57906df0e26e9e36c26d14" } ], "title": "ext4: xattr: fix null pointer deref in ext4_raw_inode()", "x_generator": { "engine": "bippy-1.2.0" } 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