CVE-2026-53312 is a vulnerability in Linux Kernel
Published on June 26, 2026
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 ULONG_MAX, 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 <
Products Associated with CVE-2026-53312
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Affected Versions
Linux:- Version 488ffbf181718b9ad8c1838cb249d60973e78eda and below 9f0632b0d4246675fa221aa1a3bffadf9c6bd9ac is affected.
- Version 488ffbf181718b9ad8c1838cb249d60973e78eda and below e4b7687784153481de45fd39fb97ba3919605c0c is affected.
- Version 488ffbf181718b9ad8c1838cb249d60973e78eda and below 40a13b49957937427bc23e78eb50679df4396a47 is affected.
- Version 6.13 is affected.
- Before 6.13 is unaffected.
- Version 6.18.33, <= 6.18.* is unaffected.
- Version 7.0.10, <= 7.0.* is unaffected.
- Version 7.1, <= * is unaffected.