Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: init/main.c: Fix potential static_command_line memory overflow We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for static_command_line, but the strings copied into static_command_line are extra_command_line and command_line, rather than extra_command_line and boot_command_line. When strlen(command_line) > strlen(boot_command_line), static_command_line will overflow. This patch just recovers strlen(command_line) which was miss-consolidated with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add checks for the return value of memblock_alloc*()")
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.1, < 5.10.216 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 38 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0dc727a4e05400205358a22c3d01ccad2c8e1fe4Patch
- https://git.kernel.org/stable/c/2ef607ea103616aec0289f1b65d103d499fa903aPatch
- https://git.kernel.org/stable/c/46dad3c1e57897ab9228332f03e1c14798d2d3b9Patch
- https://git.kernel.org/stable/c/76c2f4d426a5358fced5d5990744d46f10a4cceaPatch
- https://git.kernel.org/stable/c/81cf85ae4f2dd5fa3e43021782aa72c4c85558e8Patch
- https://git.kernel.org/stable/c/936a02b5a9630c5beb0353c3085cc49d86c57034Patch
- https://git.kernel.org/stable/c/0dc727a4e05400205358a22c3d01ccad2c8e1fe4Patch
- https://git.kernel.org/stable/c/2ef607ea103616aec0289f1b65d103d499fa903aPatch
- https://git.kernel.org/stable/c/46dad3c1e57897ab9228332f03e1c14798d2d3b9Patch
- https://git.kernel.org/stable/c/76c2f4d426a5358fced5d5990744d46f10a4cceaPatch
- https://git.kernel.org/stable/c/81cf85ae4f2dd5fa3e43021782aa72c4c85558e8Patch
- https://git.kernel.org/stable/c/936a02b5a9630c5beb0353c3085cc49d86c57034Patch
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
FAQ
What is CVE-2024-26988?
CVE-2024-26988 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: init/main.c: Fix potential static_command_line memory overflow We allocate memory of size 'xlen + strlen(boot_command_line) + 1' f...
How severe is CVE-2024-26988?
CVE-2024-26988 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-26988?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Fedoraproject Fedora.