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CVE-2024-26946

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

Description (CNA)

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 (CNA)

Vendor / productVersions
Linux / Linuxaffected cc66bb91457827f62e2b6cb2518666820f0a6c48 before 6417684315087904fffe8966d27ca74398c57dd6; affected cc66bb91457827f62e2b6cb2518666820f0a6c48 before f13edd1871d4fb4ab829aff629d47914e251bae3; affected cc66bb91457827f62e2b6cb2518666820f0a6c48 before 20fdb21eabaeb8f78f8f701f56d14ea0836ec861; affected cc66bb91457827f62e2b6cb2518666820f0a6c48 before b69f577308f1070004cafac106dd1a44099e5483; affected cc66bb91457827f62e2b6cb2518666820f0a6c48 before 4e51653d5d871f40f1bd5cf95cc7f2d8b33d063b
Linux / Linuxaffected 5.18; unaffected 0 before 5.18; unaffected 6.1.84 through 6.1.*; unaffected 6.6.24 through 6.6.*; unaffected 6.7.12 through 6.7.*; unaffected 6.8.3 through 6.8.*; unaffected 6.9 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.