How many CVEs have patched tee_ta_close_session?

1 published CVEs changed tee_ta_close_session in op-tee/optee_os, in 1 distinct patches totalling 9 changed lines, between 2025 and 2025.

What is the latest CVE that changed tee_ta_close_session?

CVE-2025-46733 (REE userspace code can panic TAs, leading to fTPM PCR reset and data disclosure), published 2025-07-04, changed lines 505 to 510 of core/kernel/tee_ta_manager.c.

How does tee_ta_close_session compare to the rest of op-tee/optee_os?

op-tee/optee_os has 17 CVEs with a located fix in total; 1 of them changed tee_ta_close_session.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

RadicalNotion.AI

Security data

Weaknesses (CWE)The MITRE CWE weakness catalog
Attack Patterns (CAPEC)MITRE CAPEC attack patterns
CNAsNumbering authorities and report cards
VendorsVulnerabilities by vendor
Patched FunctionsWhere CVE fixes land in code

Tools

CVSS CalculatorScore CVSS 4.0, 3.1, 3.0 & 2.0
Badge BuilderEmbeddable SVG badges for READMEs

Resources

LearnSecurity guides
Data SourcesCVE data sources

About Blog Pricing Demo

Home
Patched Functions
Op Tee
Optee_os
Tee_ta_close_session

RadicalNotion.AI

We do not sell or share your personal information.

Security Data

CWE Directory
CAPEC Directory
CNA Directory
CNA Leaderboard
CNA Report Cards
Vendor Directory
Patched Functions
Data Sources

Calculators

CVSS Calculator
CVSS 4.0
CVSS 3.1
CVSS 3.0
CVSS 2.0
Badge Builder

Platform

My Vulnerabilities
Insights
Notifications
Pricing

Learn

Guides
What is a CVE?
What is CVSS?
The CISA KEV catalog
What is EPSS?

Company

About
Blog
Careers
Contact
Demo

Account

Legal

Security
Privacy
Terms

RadicalNotion.AI

Security data

Weaknesses (CWE)The MITRE CWE weakness catalog
Attack Patterns (CAPEC)MITRE CAPEC attack patterns
CNAsNumbering authorities and report cards
VendorsVulnerabilities by vendor
Patched FunctionsWhere CVE fixes land in code

Tools

CVSS CalculatorScore CVSS 4.0, 3.1, 3.0 & 2.0
Badge BuilderEmbeddable SVG badges for READMEs

Resources

LearnSecurity guides
Data SourcesCVE data sources

About Blog Pricing Demo

Home
Patched Functions
Op Tee
Optee_os
Tee_ta_close_session

tee_ta_close_session in op-tee/optee_os: Patched by 1 CVEs

op-tee/optee_os

Function

tee_ta_close_session

Name: tee_ta_close_session in op-tee/optee_os: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

core/kernel/tee_ta_manager.c

Last patched July 4, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

tee_ta_close_session in op-tee/optee_os was changed by 1 published CVE fixes in 2025, in 1 distinct patches that added or removed 9 lines in total.

op-tee/optee_os has 17 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed tee_ta_close_session, newest first, with the lines each fix touched.

REE userspace code can panic TAs, leading to fTPM PCR reset and data disclosure
CVE-2025-46733 · lines 505–510 · +6 −3
High · CVSS 7.9
EPSS 0.2%2025-07-04

Get an alert when the next CVE fix lands in op-tee/optee_os, with the patched functions.

Monitor optee_os CVEs

Other hotspots in the repository

Functions in op-tee/optee_os changed by the most CVE fixes.

syscall_cryp_derive_key2 CVEs · core/tee/tee_svc_cryp.c uses2 CVEs · lib/libmpa/mpa_expmod.c exptmod2 CVEs · core/lib/libtomcrypt/src/mpa_desc.c rsa_exptmod2 CVEs · core/lib/libtomcrypt/src/pk/rsa/rsa_exptmod.c rand2 CVEs · core/lib/libtomcrypt/src/mpa_desc.c calculates2 CVEs · core/lib/libtomcrypt/src/mpa_desc.c

All patched functions in op-tee/optee_os

Frequently asked questions

Common questions about CVE fixes to tee_ta_close_session.

How many CVEs have patched tee_ta_close_session?: 1 published CVEs changed tee_ta_close_session in op-tee/optee_os, in 1 distinct patches totalling 9 changed lines, between 2025 and 2025.
What is the latest CVE that changed tee_ta_close_session?: CVE-2025-46733 (REE userspace code can panic TAs, leading to fTPM PCR reset and data disclosure), published 2025-07-04, changed lines 505 to 510 of core/kernel/tee_ta_manager.c.
How does tee_ta_close_session compare to the rest of op-tee/optee_os?: op-tee/optee_os has 17 CVEs with a located fix in total; 1 of them changed tee_ta_close_session.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

core/kernel/tee_ta_manager.c on GitHub (opens in a new tab)
All patched functions in op-tee/optee_os
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

Track op-tee/optee_os CVEs

Get an alert when a new CVE lands in this repository, with the patched functions and AI-written remediation guidance.

Create an account See pricing

On this page

Overview
CVEs that patched it
Other hotspots in the repository
FAQ
References