CVE-2024-26828

In the Linux kernel, the following vulnerability has been resolved: cifs: fix underflow in parse_server_interfaces() In this loop, we step through the buffer and after each item we check if the size_left is greater than the minimum size we need. However, the problem is that "bytes_left" is type ssize_t while sizeof() is type size_t. That means that because of type promotion, the comparison is done as an unsigned and if we have negative bytes left the loop continues instead of ending.

• CWE-191

• https://git.kernel.org/stable/c/7190353835b4a219abb70f90b06cdcae97f11512Patch
• https://git.kernel.org/stable/c/cffe487026be13eaf37ea28b783d9638ab147204Patch
• https://git.kernel.org/stable/c/df2af9fdbc4ddde18a3371c4ca1a86596e8be301Patch
• https://git.kernel.org/stable/c/f7ff1c89fb6e9610d2b01c1821727729e6609308Patch
• https://git.kernel.org/stable/c/7190353835b4a219abb70f90b06cdcae97f11512Patch
• https://git.kernel.org/stable/c/cffe487026be13eaf37ea28b783d9638ab147204Patch
• https://git.kernel.org/stable/c/df2af9fdbc4ddde18a3371c4ca1a86596e8be301Patch
• https://git.kernel.org/stable/c/f7ff1c89fb6e9610d2b01c1821727729e6609308Patch

Published

Apr 17, 2024

Last Modified

Aug 4, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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