How many CVEs have patched isotp_rcv?

2 published CVEs changed isotp_rcv in torvalds/linux, in 16 distinct patches totalling 17 changed lines, between 2024 and 2026.

What is the latest CVE that changed isotp_rcv?

CVE-2026-80889 (can: isotp: fix timer drain order, wakeup handling and tx_gen ordering), published 2026-09-04, changed lines 740 to 743 of net/can/isotp.c.

How does isotp_rcv compare to the rest of torvalds/linux?

torvalds/linux has 19,281 CVEs with a located fix in total; 2 of them changed isotp_rcv.

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
Torvalds
Linux
Isotp_rcv

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
Torvalds
Linux
Isotp_rcv

isotp_rcv in torvalds/linux: Patched by 2 CVEs

torvalds/linux

Function

isotp_rcv

Name: isotp_rcv in torvalds/linux: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

net/can/isotp.c

Last patched September 4, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2024–2026

Years

By CVE publication date

Overview

isotp_rcv in torvalds/linux was changed by 2 published CVE fixes between 2024 and 2026, in 16 distinct patches that added or removed 17 lines in total.

torvalds/linux has 19,281 CVEs with a located fix in total, so 0% of them touched this function.

CVEs that patched it

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

On this page

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

can: isotp: fix timer drain order, wakeup handling and tx_gen ordering
CVE-2026-80889 · lines 740–743 · +4 −2
Unscored
EPSS 0.2%2026-09-04
can: isotp: fix potential CAN frame reception race in isotp_rcv()
CVE-2022-48830 · lines 620–681 · +10 −1 in 2 hunks
High · CVSS 8.8
EPSS 0.3%2024-07-16

Get an alert when the next CVE fix lands in torvalds/linux, with the patched functions.

Monitor linux CVEs

Other functions in these files

Functions in the same file that CVE fixes also changed.

1isotp_releasenet/can/isotp.c6 CVEs · 53 patches2025 to 2026
2isotp_bindnet/can/isotp.c5 CVEs · 32 patches2021 to 2026
3isotp_initnet/can/isotp.c5 CVEs · 31 patches2024 to 2026
4isotp_sendmsgnet/can/isotp.c4 CVEs · 37 patches2024 to 2026
5isotp_rcv_echonet/can/isotp.c3 CVEs · 27 patches2025 to 2026
6isotp_rcv_cfnet/can/isotp.c2 CVEs · 24 patches2026
7isotp_rcv_fcnet/can/isotp.c2 CVEs · 24 patches2026
8isotp_pollnet/can/isotp.c1 CVEs · 13 patches2026

Other hotspots in the repository

Functions in torvalds/linux changed by the most CVE fixes.

smb2_sess_setup13 CVEs · fs/smb/server/smb2pdu.c adjust_ptr_min_max_vals13 CVEs · kernel/bpf/verifier.c ext4_fill_super13 CVEs · fs/ext4/super.c bcm_rx_setup12 CVEs · net/can/bcm.c copy_process12 CVEs · kernel/fork.c smb2_sess_setup11 CVEs · fs/ksmbd/smb2pdu.c

All patched functions in torvalds/linux

Frequently asked questions

Common questions about CVE fixes to isotp_rcv.

How many CVEs have patched isotp_rcv?: 2 published CVEs changed isotp_rcv in torvalds/linux, in 16 distinct patches totalling 17 changed lines, between 2024 and 2026.
What is the latest CVE that changed isotp_rcv?: CVE-2026-80889 (can: isotp: fix timer drain order, wakeup handling and tx_gen ordering), published 2026-09-04, changed lines 740 to 743 of net/can/isotp.c.
How does isotp_rcv compare to the rest of torvalds/linux?: torvalds/linux has 19,281 CVEs with a located fix in total; 2 of them changed isotp_rcv.
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

net/can/isotp.c on GitHub (opens in a new tab)
All patched functions in torvalds/linux
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 torvalds/linux 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