CVE-2024-36911

5.5 MEDIUM
Published: May 30, 2024 Modified: September 30, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: hv_netvsc: Don't free decrypted memory In CoCo VMs it is possible for the untrusted host to cause set_memory_encrypted() or set_memory_decrypted() to fail such that an error is returned and the resulting memory is shared. Callers need to take care to handle these errors to avoid returning decrypted (shared) memory to the page allocator, which could lead to functional or security issues. The netvsc driver could free decrypted/shared pages if set_memory_decrypted() fails. Check the decrypted field in the gpadl to decide whether to free the memory.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://git.kernel.org/stable/c/4aaed9dbe8acd2b6114458f0498a617283d6275b
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/a56fe611326332bf6b7126e5559590c57dcebad4
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/bbf9ac34677b57506a13682b31a2a718934c0e31
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/4aaed9dbe8acd2b6114458f0498a617283d6275b
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://git.kernel.org/stable/c/a56fe611326332bf6b7126e5559590c57dcebad4
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://git.kernel.org/stable/c/bbf9ac34677b57506a13682b31a2a718934c0e31
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.0%
2th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

linux