GHSA-34vw-m4rh-r36p

Source

https://github.com/advisories/GHSA-34vw-m4rh-r36p

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/09/GHSA-34vw-m4rh-r36p/GHSA-34vw-m4rh-r36p.json

JSON Data

https://api.test.osv.dev/v1/vulns/GHSA-34vw-m4rh-r36p

Published

2022-09-16T17:17:37Z

Modified

2022-09-16T17:17:37Z

Severity

7.0 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Talos vulnerable dependency due to race condition in Linux kernel's IP framework XFRM

Details

Impact

A race condition was found in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrmprobealgs occurred simultaneously. This flaw could allow a local attacker to potentially trigger an out-of-bounds write or leak kernel heap memory by performing an out-of-bounds read and copying it into a socket.

Patches

The fix has been backported to 5.15.64 version of the upstream Linux kernel (5.15 is the upstream Kernel long term version Talos ships with). Talos >= v1.2.0 is shipped with Linux Kernel 5.15.64 fixing the above issue.

Kubernetes workloads running in Talos are not affected since user namespaces are disabled in Talos kernel config. So an unprivileged user cannot obtain CAPNETADMIN by unsharing. However untrusted workloads that run with privileged: true or having NET_ADMIN capability poses a risk.

Workarounds

Audit kubernetes workloads running in the cluster with privileged: true set or having NET_ADMIN capability and assess the threat vector.

References

https://nvd.nist.gov/vuln/detail/CVE-2022-3028
https://access.redhat.com/security/cve/CVE-2022-3028

For more information

Email us at security@siderolabs.com

Database specific

{
    "nvd_published_at": null,
    "cwe_ids": [
        "CWE-362",
        "CWE-787"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2022-09-16T17:17:37Z"
}

References

Affected packages

Go / github.com/talos-systems/talos

Package

Name: github.com/talos-systems/talos; View open source insights on deps.dev
Purl: pkg:golang/github.com/talos-systems/talos

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

1.2.0