How many CVEs have patched Readlinkat?

1 published CVEs changed Readlinkat in opencontainers/runc, in 1 distinct patches totalling 19 changed lines, between 2025 and 2025.

What is the latest CVE that changed Readlinkat?

CVE-2025-52881 (runc: LSM labels can be bypassed with malicious config using dummy procfs files), published 2025-11-06, changed lines 89 to 107 of internal/linux/linux.go.

How does Readlinkat compare to the rest of opencontainers/runc?

opencontainers/runc has 16 CVEs with a located fix in total; 1 of them changed Readlinkat.

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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opencontainers/runc

Function

Readlinkat

Name: Readlinkat in opencontainers/runc: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

internal/linux/linux.go

Last patched November 6, 2025

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

19

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

Readlinkat in opencontainers/runc was changed by 1 published CVE fixes in 2025, in 1 distinct patches that added or removed 19 lines in total.

opencontainers/runc has 16 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

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

runc: LSM labels can be bypassed with malicious config using dummy procfs files
CVE-2025-52881 · lines 89–107 · +19 −0
High · CVSS 7.3
EPSS 0.6%2025-11-06

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1GetPtyPeerinternal/linux/linux.go1 CVEs · 1 patches2025

Other hotspots in the repository

Functions in opencontainers/runc changed by the most CVE fixes.

mountToRootfs6 CVEs · libcontainer/rootfs_linux.go mountCgroupV25 CVEs · libcontainer/rootfs_linux.go Init5 CVEs · libcontainer/standard_init_linux.go createDeviceNode4 CVEs · libcontainer/rootfs_linux.go mountCgroupV13 CVEs · libcontainer/rootfs_linux.go Close3 CVEs · libcontainer/rootfs_linux.go

All patched functions in opencontainers/runc

Frequently asked questions

Common questions about CVE fixes to Readlinkat.

How many CVEs have patched Readlinkat?: 1 published CVEs changed Readlinkat in opencontainers/runc, in 1 distinct patches totalling 19 changed lines, between 2025 and 2025.
What is the latest CVE that changed Readlinkat?: CVE-2025-52881 (runc: LSM labels can be bypassed with malicious config using dummy procfs files), published 2025-11-06, changed lines 89 to 107 of internal/linux/linux.go.
How does Readlinkat compare to the rest of opencontainers/runc?: opencontainers/runc has 16 CVEs with a located fix in total; 1 of them changed Readlinkat.
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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