cve-2024-36912
Vulnerability from cvelistv5
Published
2024-05-30 15:29
Modified
2024-08-02 03:43
Severity
8.1 (High) - cvssV3_1 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Drivers: hv: vmbus: Track decrypted status in vmbus_gpadl
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1999644d95194d4a58d3e80ad04ce19220a01a81
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/211f514ebf1ef5de37b1cf6df9d28a56cfd242ca
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8e62341f5c45b27519b7d193bcc32ada416ad9d8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bfae56be077ba14311509e70706a13458f87ea99
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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              "userInteraction": "NONE",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nDrivers: hv: vmbus: Track decrypted status in vmbus_gpadl\n\nIn CoCo VMs it is possible for the untrusted host to cause\nset_memory_encrypted() or set_memory_decrypted() to fail such that an\nerror is returned and the resulting memory is shared. Callers need to\ntake care to handle these errors to avoid returning decrypted (shared)\nmemory to the page allocator, which could lead to functional or security\nissues.\n\nIn order to make sure callers of vmbus_establish_gpadl() and\nvmbus_teardown_gpadl() don\u0027t return decrypted/shared pages to\nallocators, add a field in struct vmbus_gpadl to keep track of the\ndecryption status of the buffers. This will allow the callers to\nknow if they should free or leak the pages."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-36912",
    "datePublished": "2024-05-30T15:29:10.454Z",
    "dateReserved": "2024-05-30T15:25:07.067Z",
    "dateUpdated": "2024-08-02T03:43:50.056Z",
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