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CVE-2022-49785

x86/sgx: Add overflow check in sgx_validate_offset_length()

MEDIUM
5.5
CVSS Score
Published: May 1, 2025 at 02:09 PM UTC
Updated: June 17, 2026 at 05:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: x86/sgx: Add overflow check in sgx_validate_offset_length() sgx_validate_offset_length() function verifies "offset" and "length" arguments provided by userspace, but was missing an overflow check on their addition. Add it.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.11 ≤ v < 5.15.815.11 ≤ v < 6.0.105.11 ≤ v < 6.15.16 ≤ v < 6.0.105.116.1 rc16.1 rc26.1 rc36.1 rc46.1 rc5c6d26d370767fa227fc44b98a8bdad112efdf563
Vendor states this is fixed in 3b1c10fb754b0b67165e3f055a4208e5ba26dc89 (fixed)
Vendor states this is fixed in 5277e3d633a5d4157987f4aff068caa55e36db19 (fixed)
Vendor states this is fixed in f0861f49bd946ff94fce4f82509c45e167f63690 (fixed)
Vendor states this is fixed in 5.11 (unaffected)
Vendor states this is fixed in 5.15.81 (unaffected)
Vendor states this is fixed in 6.0.10 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3b1c10fb754b0b67165e3f055a4208e5ba26dc89
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5277e3d633a5d4157987f4aff068caa55e36db19
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f0861f49bd946ff94fce4f82509c45e167f63690

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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