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{"bugzilla": {"description": "Kernel: Race between cmm_open() and cm4000_detach() result in UAF", "id": "2161999", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2161999"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["An issue was discovered in the Linux kernel through 6.0.6. drivers/char/pcmcia/cm4000_cs.c has a race condition and resultant use-after-free if a physically proximate attacker removes a PCMCIA device while calling open(), aka a race condition between cmm_open() and cm4000_detach().", "A possible race condition was found in drivers/char/pcmcia/cm4000_cs.c between the cmm_open() and the cm4000_detach() functions if the user physically removes the PCMCIA device in the Linux kernel. This flaw may eventually result in a use-after-free (UAF) flaw."], "mitigation": {"lang": "en:us", "value": "This flaw can be mitigated by preventing the affected CardMan Mobile 4000 kernel module from loading during the boot time. Ensure the module is added into the blacklist file.\n~~~\nRefer: \nHow do I blacklist a kernel module to prevent it from loading automatically? \nhttps://access.redhat.com/solutions/41278\n~~~"}, "name": "CVE-2022-44032", "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": "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": "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": "2022-09-18T06:30:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-44032\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-44032\nhttps://lore.kernel.org/lkml/20220919040701.GA302806@ubuntu/"], "threat_severity": "Moderate"}

{}