How many CVEs have patched isotp_rcv_echo?

3 published CVEs changed isotp_rcv_echo in torvalds/linux, in 27 distinct patches totalling 87 changed lines, between 2025 and 2026.

What is the latest CVE that changed isotp_rcv_echo?

CVE-2026-80889 (can: isotp: fix timer drain order, wakeup handling and tx_gen ordering), published 2026-09-04, changed lines 983 to 1047 of net/can/isotp.c.

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

torvalds/linux has 19,281 CVEs with a located fix in total; 3 of them changed isotp_rcv_echo.

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.

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torvalds/linux

Function

isotp_rcv_echo

Name: isotp_rcv_echo 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

3

CVEs

That changed this function

27

Distinct patches

Backports counted once

87

Lines changed

Added plus removed

2025–2026

Years

By CVE publication date

Overview

isotp_rcv_echo in torvalds/linux was changed by 3 published CVE fixes between 2025 and 2026, in 27 distinct patches that added or removed 87 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_echo, newest first, with the lines each fix touched.

can: isotp: fix timer drain order, wakeup handling and tx_gen ordering
CVE-2026-80889 · lines 983–1047 · +17 −10 in 2 hunks
Unscored
EPSS 0.2%2026-09-04
can: isotp: serialize TX state transitions under so->rx_lock
CVE-2026-72124 · lines 930–1006 · +44 −14
High · CVSS 8.8
EPSS 0.4%2026-08-15
can: isotp: split tx timer into transmission and timeout
CVE-2023-52941 · line 874 · +1 −1
Medium · CVSS 5.5
EPSS 0.2%2025-03-27

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Other functions in these files

Functions in the same file that CVE fixes also changed.

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_echo.

How many CVEs have patched isotp_rcv_echo?: 3 published CVEs changed isotp_rcv_echo in torvalds/linux, in 27 distinct patches totalling 87 changed lines, between 2025 and 2026.
What is the latest CVE that changed isotp_rcv_echo?: CVE-2026-80889 (can: isotp: fix timer drain order, wakeup handling and tx_gen ordering), published 2026-09-04, changed lines 983 to 1047 of net/can/isotp.c.
How does isotp_rcv_echo compare to the rest of torvalds/linux?: torvalds/linux has 19,281 CVEs with a located fix in total; 3 of them changed isotp_rcv_echo.
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

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

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