CVE-2026-53312: iommu/riscv: Remove overflows on the invalidation path
In the Linux kernel, the following vulnerability has been resolved:
iommu/riscv: Remove overflows on the invalidation path
Since RISC-V supports a sign extended page table it should support a gather->end of ULONGMAX, but if this happens it will infinite loop because of the overflow.
Also avoid overflow computing the length by moving the +1 to the other side of the <
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2026-53312?
The severity of CVE-2026-53312 is rated as 23.
What systems are affected by CVE-2026-53312?
CVE-2026-53312 affects the Linux kernel, particularly the RISC-V architecture.
How do I fix CVE-2026-53312?
To fix CVE-2026-53312, update your Linux kernel to a version that includes the patch for this vulnerability.
What is the impact of CVE-2026-53312?
CVE-2026-53312 can cause an infinite loop, leading to denial of service conditions on affected systems.
Has CVE-2026-53312 been resolved?
Yes, CVE-2026-53312 has been resolved in subsequent updates to the Linux kernel.