DEBIAN-CVE-2024-46794
Record from OSV · Published September 18, 2024
In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Fix data leak in mmio_read() The mmio_read() function makes a TDVMCALL to retrieve MMIO data for an address from the VMM. Sean noticed that mmio_read() unintentionally exposes the value of an initialized variable (val) on the stack to the VMM. This variable is only needed as an output value. It did not need to be passed to the VMM in the first place. Do not send the original value of *val to the VMM. [ dhansen: clarify what 'val' is used for. ]
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux | Debian:13 | 6.10.11-1 |
| linux | Debian:12 | 6.1.112-1 |
| linux | Debian:14 | 6.10.11-1 |
Risk scores
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 0 |
| Debian:12 | linux | 0, 6.1.106-1, 6.1.106-2 |
| Debian:14 | linux | 0 |
Timeline
- Sep 18, 2024 CVE Published
- Sep 15, 2026 CVE Updated
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