How many CVEs have patched unshare_fs?

1 published CVEs changed unshare_fs in torvalds/linux, in 9 distinct patches totalling 2 changed lines, between 2026 and 2026.

What is the latest CVE that changed unshare_fs?

CVE-2026-43472 (unshare: fix unshare_fs() handling), published 2026-05-08, changed lines 3043 of kernel/fork.c.

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

torvalds/linux has 19,281 CVEs with a located fix in total; 1 of them changed unshare_fs.

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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Unshare_fs

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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
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Linux
Unshare_fs

unshare_fs in torvalds/linux: Patched by 1 CVEs

torvalds/linux

Function

unshare_fs

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

kernel/fork.c

Last patched May 8, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

unshare_fs in torvalds/linux was changed by 1 published CVE fixes in 2026, in 9 distinct patches that added or removed 2 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 unshare_fs, 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

unshare: fix unshare_fs() handling
CVE-2026-43472 · line 3043 · +1 −1
Medium · CVSS 5.5
EPSS 0.1%2026-05-08

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1copy_processkernel/fork.c12 CVEs · 44 patches2012 to 2026
2dup_mmapkernel/fork.c4 CVEs · 9 patches2024 to 2025
3dup_task_structkernel/fork.c3 CVEs · 14 patches2012 to 2026
4need_futex_hash_allocate_defaultkernel/fork.c2 CVEs · 9 patches2026
5__put_task_structkernel/fork.c2 CVEs · 2 patches2020
6free_taskkernel/fork.c1 CVEs · 5 patches2025
7vm_area_dupkernel/fork.c1 CVEs · 4 patches2025
8mmput_asynckernel/fork.c1 CVEs · 4 patches2024

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 unshare_fs.

How many CVEs have patched unshare_fs?: 1 published CVEs changed unshare_fs in torvalds/linux, in 9 distinct patches totalling 2 changed lines, between 2026 and 2026.
What is the latest CVE that changed unshare_fs?: CVE-2026-43472 (unshare: fix unshare_fs() handling), published 2026-05-08, changed lines 3043 of kernel/fork.c.
How does unshare_fs compare to the rest of torvalds/linux?: torvalds/linux has 19,281 CVEs with a located fix in total; 1 of them changed unshare_fs.
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

kernel/fork.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.

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