CVE-2024-26946

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinuxcc66bb91457827f62e2b6cb2518666820f0a6c48 < 6417684315087904fffe8966d27ca74398c57dd6affected
LinuxLinuxcc66bb91457827f62e2b6cb2518666820f0a6c48 < f13edd1871d4fb4ab829aff629d47914e251bae3affected
LinuxLinuxcc66bb91457827f62e2b6cb2518666820f0a6c48 < 20fdb21eabaeb8f78f8f701f56d14ea0836ec861affected
LinuxLinuxcc66bb91457827f62e2b6cb2518666820f0a6c48 < b69f577308f1070004cafac106dd1a44099e5483affected
LinuxLinuxcc66bb91457827f62e2b6cb2518666820f0a6c48 < 4e51653d5d871f40f1bd5cf95cc7f2d8b33d063baffected
LinuxLinux5.18affected
LinuxLinux0 < 5.18unaffected
LinuxLinux6.1.84 <= 6.1.*unaffected
LinuxLinux6.6.24 <= 6.6.*unaffected
LinuxLinux6.7.12 <= 6.7.*unaffected
LinuxLinux6.8.3 <= 6.8.*unaffected
LinuxLinux6.9 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References