CVE-2026-64146

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"https://git.kernel.org/stable/c/492c73b21fefa36f3869cb2b188ffb7fe37b3a9b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79b09c54c6563df9846ca3094bcfd72082c3e1d7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89682dd09efb3825b0f162a72e342c52b69ea14a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e4a552e0b6413c1af2e140b5bc14bb849b411b57"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fcb23bb31508b62e8a1b32adf6217820e90e29b0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: erofs: fix metabuf leak in inode xattr initialization", "id": "2502496", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502496"}, "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-772", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nerofs: fix metabuf leak in inode xattr initialization\ncommit bb88e8da0025 (\"erofs: use meta buffers for xattr operations\")\nconverted xattr operations to use on-stack erofs_buf instances.\nerofs_init_inode_xattrs() uses such a metabuf while reading the inline\nxattr header and shared xattr id array.\nSome error paths after erofs_read_metabuf() leave through out_unlock\nwithout dropping the metabuf, so the folio reference can leak.\nConsolidate the cleanup at out_unlock. erofs_put_metabuf() is a\nno-op if no folio has been acquired, and this keeps all paths after\ntaking EROFS_I_BL_XATTR_BIT covered by a single cleanup site.", "A flaw was found in the Linux kernel's EROFS (Enhanced Read-Only File System) component. During the initialization of inode extended attributes (xattrs), certain error conditions can lead to a leak of metadata buffers. This memory leak can result in a denial of service (DoS) due to resource exhaustion."], "name": "CVE-2026-64146", "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": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64146\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64146\nhttps://lore.kernel.org/linux-cve-announce/2026071930-CVE-2026-64146-ab54@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bb88e8da00253bea0e7f0f4cdfd7910572d7799f,492c73b21fefa36f3869cb2b188ffb7fe37b3a9b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bb88e8da00253bea0e7f0f4cdfd7910572d7799f,79b09c54c6563df9846ca3094bcfd72082c3e1d7)"}}], "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": "affected", "versions": {"scheme": "semver", "value": "5.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.11,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-07-21T19:15:02.986646+00:00", "updated": "2026-08-17T21:45:03.124004+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}