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THREATINT
PUBLISHED

CVE-2025-38435

riscv: vector: Fix context save/restore with xtheadvector



Description

In the Linux kernel, the following vulnerability has been resolved: riscv: vector: Fix context save/restore with xtheadvector Previously only v0-v7 were correctly saved/restored, and the context of v8-v31 are damanged. Correctly save/restore v8-v31 to avoid breaking userspace.

Reserved 2025-04-16 | Published 2025-07-25 | Updated 2025-07-25 | Assigner Linux

Product status

Default status
unaffected

d863910eabaffc68eb28aaf476dd870fc3f7197d before dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2
affected

d863910eabaffc68eb28aaf476dd870fc3f7197d before 4262bd0d9cc704ea1365ac00afc1272400c2cbef
affected

Default status
affected

6.14
affected

Any version before 6.14
unaffected

6.15.5
unaffected

6.16-rc4
unaffected

References

git.kernel.org/...c/dd5ceea8d50e9e108a10d1e0d89fa2c9ff442ca2

git.kernel.org/...c/4262bd0d9cc704ea1365ac00afc1272400c2cbef

cve.org (CVE-2025-38435)

nvd.nist.gov (CVE-2025-38435)

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