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CVE-2024-57793

Linux Kernel vulnerability

9.3 CRITICALEPSS 0.20%
  1. Published11 Jan 2025

Description

In the Linux kernel, the following vulnerability has been resolved: virt: tdx-guest: Just leak decrypted memory on unrecoverable errors In CoCo VMs it is possible for the untrusted host to cause 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. Leak the decrypted memory when set_memory_decrypted() fails, and don't need to print an error since set_memory_decrypted() will call WARN_ONCE().

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

Linux Kernel≥ 6.7 < 6.12.8 · 6.13

Frequently asked

Is CVE-2024-57793 being actively exploited?

CVE-2024-57793 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.20%.

How severe is CVE-2024-57793?

CVE-2024-57793 has a CVSS 3.1 base score of 9.3, rated critical. EPSS estimates a 0.20% probability of exploitation.

Which products are affected by CVE-2024-57793?

Affected products include Linux Kernel.

How do I fix CVE-2024-57793?

Upgrade affected software to a fixed version, for example Linux Kernel 6.12.8 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-57793 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.