Improper Locking Affecting linux-qemu-melange package, versions <6.18.49-r2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.5% (41st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-LINUXQEMUMELANGE-19667606
  • published10 Sept 2026
  • disclosed19 Jul 2026

Introduced: 19 Jul 2026

CVE-2026-64068  (opens in a new tab)
CWE-667  (opens in a new tab)

How to fix?

Upgrade Chainguard linux-qemu-melange to version 6.18.49-r2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-qemu-melange package and not the linux-qemu-melange package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

netfs: Fix missing locking around retry adding new subreqs

Fix netfs_retry_read_subrequests() and netfs_retry_write_stream() to take the appropriate lock when adding extra subrequests into stream->subrequests.

CVSS Base Scores

version 3.1