CVE-2026-80640 in Linux信息

摘要

由 VulDB • 2026-08-28

在 Linux 内核中,已修复以下漏洞:

cxl/fwctl:修复 __fortify_panic

修复 cxlctl_get_supported_features() 中的运行时断言。Fortify 报告称根据 __counted_by_le(num_entries) 可能溢出 entries 数组。通过提前初始化 @num_entries 来消除此误报。

memcpy: detected buffer overflow: 48 byte write of buffer size 0 WARNING: lib/string_helpers.c:1036 at __fortify_report+0x4d/0xa0, CPU#7: fwctl/1398 RIP: 0010:__fortify_report+0x50/0xa0 Call Trace: __fortify_panic+0xd/0xf cxlctl_get_supported_features.cold+0x23/0x35 [cxl_core]

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