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{"bugzilla": {"description": "kernel: md: fix double free of io_acct_set bioset", "id": "2347890", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347890"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmd: fix double free of io_acct_set bioset\nNow io_acct_set is alloc and free in personality. Remove the codes that\nfree io_acct_set in md_free and md_stop.", "A flaw was found in the MD driver, where the io_acct_set bioset was being allocated and freed within the personality module. However, additional free operations were incorrectly implemented in the md_free and md_stop functions. This redundancy led to a double-free condition, potentially causing memory corruption or system instability."], "name": "CVE-2022-49384", "package_state": [{"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49384\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49384\nhttps://lore.kernel.org/linux-cve-announce/2025022648-CVE-2022-49384-422b@gregkh/T"], "statement": "The out of box configuration of Red Hat Enterprise Linux does not allow access to md devices to non privileged users. Therefore, Red Hat Product Security has classified this bug as PR:H.", "threat_severity": "Moderate"}