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{"bugzilla": {"description": "kernel: tty: vcc: race condition leading to use-after-free in vcc_open()", "id": "2174866", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2174866"}, "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 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove().", "A race condition leading to a use-after-free vulnerability was found in the Linux kernel's Sun Virtual Console Concentrator (VCC). This issue can result in a system crash or potential code execution if a physically proximate attacker removes a VCC device while calling open()."], "name": "CVE-2023-23039", "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": "2023-02-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-23039\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-23039"], "statement": "Red Hat Enterprise Linux is not affected by this flaw, as the Sun Virtual Console Concentrator (CONFIG_VCC) is not enabled in any current shipping kernels.", "threat_severity": "Moderate"}