i40e: fix MMIO write access to an invalid page in i40e_clear_hw
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
i40e: fix MMIO write access to an invalid page in i40e_clear_hw
When the device sends a specific input, an integer underflow can occur, leading
to MMIO write access to an invalid page.
Prevent the integer underflow by changing the type of related variables.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/015bac5daca978448f2671478c553ce1f300c21ehttps://git.kernel.org/stable/c/2a1f4f2e36442a9bdf771acf6ee86f3cf876e5cahttps://git.kernel.org/stable/c/3502dd42f178dae9d54696013386bb52b4f2e655https://git.kernel.org/stable/c/5e75c9082987479e647c75ec8fdf18fa68263c42https://git.kernel.org/stable/c/872607632c658d3739e4e7889e4f3c419ae2c193https://git.kernel.org/stable/c/8cde755f56163281ec2c46b4ae8b61f532758a6fhttps://git.kernel.org/stable/c/d88a1e8f024ba26e19350958fecbf771a9960352https://git.kernel.org/stable/c/fecb2fc3fc10c95724407cc45ea35af4a65cdde2https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html