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CVE-2023-41325

19
FAUCET Score

CVE-2023-41325 is a double-free vulnerability affecting OP-TEE versions 3.20 through 3.21, a Trusted Execution Environment for Arm Cortex-A cores. The flaw occurs in the shdr_verify_signature function during RSA key allocation, where a non-atomic memory allocation can lead to a double free of the exponent ('e') memory. This vulnerability carries a CVSS score of 6.7 (Medium), indicating that an attacker with high privileges could achieve high confidentiality, integrity, and availability impacts through local exploitation with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE. A patch is available in OP-TEE version 3.22.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.20.0, < 3.22.0CPE matchmatch criteria
cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*
3.22.0CPE matchmatch criteria
cpe:2.3:o:trustedfirmware:op-tee:3.22.0:rc1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.4HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.1
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 78th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / OP-TEE/optee_os/commit/e2ec831cb07ed0099535c7c140cb6338aa62816a
Patch
github.com / OP-TEE/optee_os/security/advisories/GHSA-jrw7-63cq-7vhm
ExploitVendor Advisory