CVE-2025-39823
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
KVM: x86: use array_index_nospec with indices that come from guest
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.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | 72777fc31aa7ab2ce00f44bfa3929c6eabbeaf48 | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | 31a0ad2f60cb4816e06218b63e695eb72ce74974 | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | d51e381beed5e2f50f85f49f6c90e023754efa12 | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | 33e974c2d5a82b2f9d9ba0ad9cbaabc1c8e3985f | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | f49161646e03d107ce81a99c6ca5da682fe5fb69 | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | 67a05679621b7f721bdba37a5d18665d3aceb695 | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | f57a4bd8d6cb5af05b8ac1be9098e249034639fb | Unavailable | None listed |
| 4180bf1b655a791a0a6ef93a2ffffc762722c782 | affected | git | c87bd4dd43a624109c3cc42d843138378a7f4548 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.19 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.19 | Unavailable | None listed |
| 5.4.298 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.242 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.191 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.150 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.104 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.45 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.16.5 | unaffected | semver | Unavailable | 6.16.* | None listed |
| 6.17 | unaffected | original_commit_for_fix | Unavailable | * | None listed |