CVE-2026-53312
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 <
Affected versions
Linux kernel versions
6.13
and later are affected. Fixed in
6.18.33,
7.0.10,
7.1
and their respective stable series.
References
3 totalFrequently asked questions
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What is CVE-2026-53312?
CVE-2026-53312 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.13 onward and has been patched in 6.18.33, 7.0.10 and 7.1. CVE-2026-53312 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-53312?
Yes — CVE-2026-53312 has been patched. Fixed versions include 6.18.33, 7.0.10 and 7.1. If you are running Linux kernel 6.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-53312 actively exploited?
No — CVE-2026-53312 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.