{"id":"CVE-2007-3731","state":"PUBLISHED","title":"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","description":"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.","publishedAt":"2007-09-17T17:00:00.000Z","updatedAt":"2024-08-07T14:28:52.052Z","severity":null,"assigner":"redhat","products":["n/a 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