CVE-2024-46688

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{"bugzilla": {"description": "kernel: erofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails", "id": "2312076", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2312076"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nerofs: fix out-of-bound access when z_erofs_gbuf_growsize() partially fails\nIf z_erofs_gbuf_growsize() partially fails on a global buffer due to\nmemory allocation failure or fault injection (as reported by syzbot [1]),\nnew pages need to be freed by comparing to the existing pages to avoid\nmemory leaks.\nHowever, the old gbuf->pages[] array may not be large enough, which can\nlead to null-ptr-deref or out-of-bound access.\nFix this by checking against gbuf->nrpages in advance.\n[1] https://lore.kernel.org/r/000000000000f7b96e062018c6e3@google.com"], "name": "CVE-2024-46688", "package_state": [{"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": "2024-09-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-46688\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-46688\nhttps://lore.kernel.org/linux-cve-announce/2024091338-CVE-2024-46688-7a5a@gregkh/T"], "threat_severity": "Moderate"}

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