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Vulnerabilities CVE-2023-52616

CVE-2023-52616

High
Open
TLP:CLEAR

crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init

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Description

In the Linux kernel, the following vulnerability has been resolved: crypto: lib/mpi - Fix unexpected pointer access in mpi_ec_init When the mpi_ec_ctx structure is initialized, some fields are not cleared, causing a crash when referencing the field when the structure was released. Initially, this issue was ignored because memory for mpi_ec_ctx is allocated with the __GFP_ZERO flag. For example, this error will be triggered when calculating the Za value for SM2 separately.

Details

CVSS Score
7.8
EPSS Score
0.24%

15.2th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence
90%
Published
Mar 18, 2024
Last Modified
Aug 5, 2026
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