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{"affected_release": [{"advisory": "RHSA-2007:0940", "cpe": "cpe:/o:redhat:enterprise_linux:5", "package": "kernel-0:2.6.18-8.1.15.el5", "product_name": "Red Hat Enterprise Linux 5", "release_date": "2007-10-22T00:00:00Z"}], "bugzilla": {"description": "NULL pointer dereference triggered by ptrace", "id": "248324", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=248324"}, "csaw": false, "cwe": "CWE-476", "details": ["The Linux kernel 2.6.20 and 2.6.21 does not properly handle an invalid LDT segment selector in %cs (the xcs field) during ptrace single-step operations, which allows local users to cause a denial of service (NULL dereference and OOPS) via certain code that makes ptrace PTRACE_SETREGS and PTRACE_SINGLESTEP requests, related to the TRACE_IRQS_ON function, and possibly related to the arch_ptrace function."], "name": "CVE-2007-3731", "public_date": "2007-07-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2007-3731\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-3731"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, or 4.", "threat_severity": "Moderate"}

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