CVE-2026-23456 in Kernel
요약 (영어)
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case
In decode_int(), the CONS case calls get_bits(bs, 2) to read a length
value, then calls get_uint(bs, len) without checking that len bytes
remain in the buffer. The existing boundary check only validates the
2 bits for get_bits(), not the subsequent 1-4 bytes that get_uint()
reads. This allows a malformed H.323/RAS packet to cause a 1-4 byte
slab-out-of-bounds read.
Add a boundary check for len bytes after get_bits() and before
get_uint().
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책임이 있는
Linux
예약하다
2026. 01. 13.
공개
2026. 04. 03.
상태
확인됨
엔트리
VulDB provides additional information and datapoints for this CVE:
| 아이디 | 취약성 | CWE | 악용 | 대책 | CVE |
|---|---|---|---|---|---|
| 355155 | Linux Kernel nf_conntrack_h323 decode_int 정보 공개 | 125 | 정의되지 않음 | 공식 수정 | CVE-2026-23456 |