How many CVEs have patched prepare_fds?

2 published CVEs changed prepare_fds in zephyrproject-rtos/zephyr, in 3 distinct patches totalling 13 changed lines, between 2020 and 2026.

What is the latest CVE that changed prepare_fds?

CVE-2026-11812 (UpdateHub: race condition on shared context causes out-of-bounds write and DoS), published 2026-08-10, changed lines 108 to 119 of subsys/mgmt/updatehub/updatehub.c.

How does prepare_fds compare to the rest of zephyrproject-rtos/zephyr?

zephyrproject-rtos/zephyr has 186 CVEs with a located fix in total; 2 of them changed prepare_fds.

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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zephyrproject-rtos/zephyr

Function

2 files

prepare_fds

Name: prepare_fds in zephyrproject-rtos/zephyr: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Defined in 2 files

Last patched August 10, 2026

2

CVEs

That changed this function

3

Distinct patches

Backports counted once

13

Lines changed

Added plus removed

2020–2026

Years

By CVE publication date

Overview

prepare_fds in zephyrproject-rtos/zephyr was changed by 2 published CVE fixes between 2020 and 2026, in 3 distinct patches that added or removed 13 lines in total.

The name occurs in 2 files: subsys/mgmt/updatehub/updatehub.c, lib/updatehub/updatehub.c.

zephyrproject-rtos/zephyr has 186 CVEs with a located fix in total, so 1% of them touched this function.

CVEs that patched it

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

UpdateHub: race condition on shared context causes out-of-bounds write and DoS
CVE-2026-11812 · subsys/mgmt/updatehub/updatehub.c · lines 108–119 · +8 −1
Low · CVSS 2.5
EPSS 0.1%2026-08-10
CVE-2020-10022
CVE-2020-10022 · lib/updatehub/updatehub.c · lines 106–114 · +1 −3
Critical · CVSS 9.8
EPSS 2.3%2020-05-11

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Other functions in these files

Functions in the same files that CVE fixes also changed.

Other hotspots in the repository

Functions in zephyrproject-rtos/zephyr changed by the most CVE fixes.

wg_process_data_message3 CVEs · subsys/net/lib/wireguard/wg_crypto.c z_impl_updatehub_probe3 CVEs · subsys/mgmt/updatehub/updatehub.c publish_decode3 CVEs · subsys/net/lib/mqtt/mqtt_decoder.c packet_length_decode3 CVEs · subsys/net/lib/mqtt/mqtt_decoder.c updatehub_probe2 CVEs · lib/updatehub/updatehub.c start_coap_client2 CVEs · lib/updatehub/updatehub.c

All patched functions in zephyrproject-rtos/zephyr

Frequently asked questions

Common questions about CVE fixes to prepare_fds.

How many CVEs have patched prepare_fds?: 2 published CVEs changed prepare_fds in zephyrproject-rtos/zephyr, in 3 distinct patches totalling 13 changed lines, between 2020 and 2026.
What is the latest CVE that changed prepare_fds?: CVE-2026-11812 (UpdateHub: race condition on shared context causes out-of-bounds write and DoS), published 2026-08-10, changed lines 108 to 119 of subsys/mgmt/updatehub/updatehub.c.
How does prepare_fds compare to the rest of zephyrproject-rtos/zephyr?: zephyrproject-rtos/zephyr has 186 CVEs with a located fix in total; 2 of them changed prepare_fds.
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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