Vulnerability Database

296,747

Total vulnerabilities in the database

CVE-2007-3731

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.

  • Published: Sep 17, 2007
  • Updated: Apr 13, 2023
  • CVE: CVE-2007-3731
  • Severity: Low
  • Exploit:

CVSS v2:

  • Severity: Low
  • Score: 4.9
  • AV:L/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
linux / linux_kernel 2.6.21 2.6.21.x
linux / linux_kernel 2.6.20 2.6.20.x