CVE-2026-46129

{"id": "CVE-2026-46129", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "20e8f2de3688082eeafeb93c8900485b7542457e", "lessThan": "ae6d6e31ceb72b7697c28a528e4923c08e3c2ef5", "versionType": "git"}, {"status": "affected", "version": "58208907c4044a764dbd8896026283905da6d9be", "lessThan": "c2670ec4aa49ca226bce9776601e0da37502be07", "versionType": "git"}, {"status": "affected", "version": "bb4fa4c0b54aae25e55faeda7f78d0c11b8cd618", "lessThan": "f414b3abbba59ef379a2b3c31f2bdd9358ed5e53", "versionType": "git"}, {"status": "affected", "version": "6cb008f1bb23e023dfe615cca5df14570dfc8da5", "lessThan": "9a060970fd7b5e1c561e4ce73cb9949e4269a738", "versionType": "git"}, {"status": "affected", "version": "a11224a016d6d1d46a4d9b6573244448a80d4d7f", "lessThan": "dd6ade0fdd59218d71a981ae7c937a304e49209c", "versionType": "git"}, {"status": "affected", "version": "a11224a016d6d1d46a4d9b6573244448a80d4d7f", "lessThan": "3f487be81292702a59ea9dbc4088b3360a50e837", "versionType": "git"}, {"status": "affected", "version": "6.1.162", "lessThan": "6.1.175", "versionType": "semver"}, {"status": "affected", "version": "6.6.122", "lessThan": "6.6.140", "versionType": "semver"}, {"status": "affected", "version": "6.12.67", "lessThan": "6.12.88", "versionType": "semver"}, {"status": "affected", "version": "6.18.7", "lessThan": "6.18.30", "versionType": "semver"}], "programFiles": ["fs/btrfs/space-info.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.19"}, {"status": "unaffected", "version": "0", "lessThan": "6.19", "versionType": "semver"}, {"status": "unaffected", "version": "6.1.175", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.140", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.88", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.30", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.7", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/btrfs/space-info.c"], "defaultStatus": "affected"}]}], "published": "2026-05-28T10:16:28.473", "references": [{"url": "https://git.kernel.org/stable/c/3f487be81292702a59ea9dbc4088b3360a50e837", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9a060970fd7b5e1c561e4ce73cb9949e4269a738", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ae6d6e31ceb72b7697c28a528e4923c08e3c2ef5", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c2670ec4aa49ca226bce9776601e0da37502be07", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dd6ade0fdd59218d71a981ae7c937a304e49209c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f414b3abbba59ef379a2b3c31f2bdd9358ed5e53", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-415"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix double free in create_space_info() error path\n\nWhen kobject_init_and_add() fails, the call chain is:\n\ncreate_space_info()\n-> btrfs_sysfs_add_space_info_type()\n-> kobject_init_and_add()\n-> failure\n-> kobject_put(&space_info->kobj)\n-> space_info_release()\n-> kfree(space_info)\n\nThen control returns to create_space_info():\n\nbtrfs_sysfs_add_space_info_type() returns error\n-> goto out_free\n-> kfree(space_info)\n\nThis causes a double free.\n\nKeep the direct kfree(space_info) for the earlier failure path, but\nafter btrfs_sysfs_add_space_info_type() has called kobject_put(), let\nthe kobject release callback handle the cleanup."}], "lastModified": "2026-06-24T18:10:24.650", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75727B5C-E260-40C6-ADB0-FE828902A5F7", "versionEndExcluding": "6.1.175", "versionStartIncluding": "6.1.162"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "511A93EB-D844-497A-8507-71BFE095FA06", "versionEndExcluding": "6.6.140", "versionStartIncluding": "6.6.122"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "251D1B2E-2F27-4042-84E8-B5A01A75AB74", "versionEndExcluding": "6.12.88", "versionStartIncluding": "6.12.67"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "76CFFF82-D317-4BEA-807B-C59EA6680E3B", "versionEndExcluding": "6.18.30", "versionStartIncluding": "6.18.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4CB01CB-3218-4920-91CF-A5FFFFFF60C3", "versionEndExcluding": "7.0.7", "versionStartIncluding": "6.19.1"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "35C8A871-4971-433E-A046-FC9F7B7D190A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc6:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EF854A1-ABB1-4E93-BE9A-44569EC76C0D"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc7:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5DC0CA6-F0AF-4DDF-A882-3DADB9A886A7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.19:rc8:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB5B7DFC-C36B-45D8-922C-877569FDDF43"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}