Integer Underflow Affecting kernel-abi-stablelists package, versions *
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Test your applications- Snyk ID SNYK-CENTOS8-KERNELABISTABLELISTS-6655721
- published 18 Apr 2024
- disclosed 17 Apr 2024
Introduced: 17 Apr 2024
CVE-2024-26828 Open this link in a new tabHow to fix?
There is no fixed version for Centos:8 kernel-abi-stablelists.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-abi-stablelists package and not the kernel-abi-stablelists package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2024-26828
- https://git.kernel.org/stable/c/7190353835b4a219abb70f90b06cdcae97f11512
- https://git.kernel.org/stable/c/cffe487026be13eaf37ea28b783d9638ab147204
- https://git.kernel.org/stable/c/df2af9fdbc4ddde18a3371c4ca1a86596e8be301
- https://git.kernel.org/stable/c/f7ff1c89fb6e9610d2b01c1821727729e6609308