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{"bugzilla": {"description": "kernel: use-after-free in net/appletalk/ddp.c", "id": "2257683", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257683"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["An issue was discovered in the Linux kernel before 6.6.8. atalk_ioctl in net/appletalk/ddp.c has a use-after-free because of an atalk_recvmsg race condition.", "A use-after-free flaw was found in the Linux kernel's atalk_ioctl in net/appletalk/ddp.c, due to a race condition in atalk_recvmsg. This flaw allows an attacker to possibly gain unauthorized access, escalate privileges, or cause the system to crash."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2023-51781", "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": "2024-01-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-51781\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-51781\nhttps://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.8\nhttps://github.com/torvalds/linux/commit/189ff16722ee36ced4d2a2469d4ab65a8fee4198"], "statement": "Only local user can trigger this issue as result of race condition. Based on this (high attack complexity) chosen Moderate impact level.", "threat_severity": "Moderate", "upstream_fix": "kernel 6.6.8"}