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Description

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: use array_index_nospec with indices that come from guest min and dest_id are guest-controlled indices. Using array_index_nospec() after the bounds checks clamps these values to mitigate speculative execution side-channels.

PUBLISHED Reserved 2025-04-16 | Published 2025-09-16 | Updated 2025-09-29 | Assigner Linux

Product status

Default status
unaffected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before 72777fc31aa7ab2ce00f44bfa3929c6eabbeaf48
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before 31a0ad2f60cb4816e06218b63e695eb72ce74974
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before d51e381beed5e2f50f85f49f6c90e023754efa12
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before 33e974c2d5a82b2f9d9ba0ad9cbaabc1c8e3985f
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before f49161646e03d107ce81a99c6ca5da682fe5fb69
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before 67a05679621b7f721bdba37a5d18665d3aceb695
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before f57a4bd8d6cb5af05b8ac1be9098e249034639fb
affected

4180bf1b655a791a0a6ef93a2ffffc762722c782 (git) before c87bd4dd43a624109c3cc42d843138378a7f4548
affected

Default status
affected

4.19
affected

Any version before 4.19
unaffected

5.4.298 (semver)
unaffected

5.10.242 (semver)
unaffected

5.15.191 (semver)
unaffected

6.1.150 (semver)
unaffected

6.6.104 (semver)
unaffected

6.12.45 (semver)
unaffected

6.16.5 (semver)
unaffected

6.17 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/72777fc31aa7ab2ce00f44bfa3929c6eabbeaf48

git.kernel.org/...c/31a0ad2f60cb4816e06218b63e695eb72ce74974

git.kernel.org/...c/d51e381beed5e2f50f85f49f6c90e023754efa12

git.kernel.org/...c/33e974c2d5a82b2f9d9ba0ad9cbaabc1c8e3985f

git.kernel.org/...c/f49161646e03d107ce81a99c6ca5da682fe5fb69

git.kernel.org/...c/67a05679621b7f721bdba37a5d18665d3aceb695

git.kernel.org/...c/f57a4bd8d6cb5af05b8ac1be9098e249034639fb

git.kernel.org/...c/c87bd4dd43a624109c3cc42d843138378a7f4548

cve.org (CVE-2025-39823)

nvd.nist.gov (CVE-2025-39823)

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