CVE-2026-72350 (GCVE-0-2026-72350)
Vulnerability from cvelistv5
Published
2026-08-15 05:55
Modified
2026-10-16 18:55
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_u32: reject invalid shift counts u32_match_it() executes rule-supplied shift operands on a 32-bit value. A malformed u32 rule can provide a shift count of 32 or more, triggering an undefined shift out-of-bounds during packet evaluation. Validate XT_U32_LEFTSH and XT_U32_RIGHTSH operands in u32_mt_checkentry() and reject malformed rules before they reach the packet path.
References
Impacted products
Vendor Product Version
Linux Linux Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
Version: 1b50b8a371e90a5e110f466e4ac02cf6b5f681de
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