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CVE PROGRAM SOURCE RECORDUnscored

CVE-2024-26946

kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address

Description

In the Linux kernel, the following vulnerability has been resolved: kprobes/x86: Use copy_from_kernel_nofault() to read from unsafe address Read from an unsafe address with copy_from_kernel_nofault() in arch_adjust_kprobe_addr() because this function is used before checking the address is in text or not. Syzcaller bot found a bug and reported the case if user specifies inaccessible data area, arch_adjust_kprobe_addr() will cause a kernel panic. [ mingo: Clarified the comment. ]

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • cc66bb91457827f62e2b6cb2518666820f0a6c48 to < 6417684315087904fffe8966d27ca74398c57dd6affected
  • cc66bb91457827f62e2b6cb2518666820f0a6c48 to < f13edd1871d4fb4ab829aff629d47914e251bae3affected
  • cc66bb91457827f62e2b6cb2518666820f0a6c48 to < 20fdb21eabaeb8f78f8f701f56d14ea0836ec861affected
  • cc66bb91457827f62e2b6cb2518666820f0a6c48 to < b69f577308f1070004cafac106dd1a44099e5483affected
  • cc66bb91457827f62e2b6cb2518666820f0a6c48 to < 4e51653d5d871f40f1bd5cf95cc7f2d8b33d063baffected

Linux Linux

Default version status: affected

  • 5.18affected
  • 0 to < 5.18unaffected
  • 6.1.84 to ≤ 6.1.*unaffected
  • 6.6.24 to ≤ 6.6.*unaffected
  • 6.7.12 to ≤ 6.7.*unaffected
  • 6.8.3 to ≤ 6.8.*unaffected
  • 6.9 to ≤ *unaffected

References