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{"bugzilla": {"description": "kernel: ext4: update s_journal_inum if it changes after journal replay", "id": "2363753", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363753"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\next4: update s_journal_inum if it changes after journal replay\nWhen mounting a crafted ext4 image, s_journal_inum may change after journal\nreplay, which is obviously unreasonable because we have successfully loaded\nand replayed the journal through the old s_journal_inum. And the new\ns_journal_inum bypasses some of the checks in ext4_get_journal(), which\nmay trigger a null pointer dereference problem. So if s_journal_inum\nchanges after the journal replay, we ignore the change, and rewrite the\ncurrent journal_inum to the superblock."], "name": "CVE-2023-53091", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "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": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53091\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53091\nhttps://lore.kernel.org/linux-cve-announce/2025050220-CVE-2023-53091-9433@gregkh/T"], "statement": "This issue can only be triggered by mounting a maliciously crafted ext4 image with an inconsistent journal state that causes s_journal_inum to change after replay, potentially bypassing integrity checks and leading to a NULL pointer dereference. Since triggering this condition requires CAP_SYS_ADMIN privileges to mount a crafted filesystem image, the attack vector assumes high privileges.", "threat_severity": "Low"}

{"created": "2025-06-24T09:51:38.201563+00:00", "updated": "2025-06-24T09:51:38.201619+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}