What’s Vulnerable › Vulnerabilities

CVE-2026-46005: xfs: fix a resource leak in xfs_alloc_buftarg()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-19
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: xfs: fix a resource leak in xfs_alloc_buftarg() In the error path, call fs_put_dax() to drop the DAX device reference.

Affected products

• Linux kernel: from 6.0 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27; from 6.19 before 7.0.4 — fixed in 6.12.86, 6.18.27, 6.6.140, 7.0.4

How to fix

Upgrade to a fixed version: Linux kernel 6.12.86, 6.18.27, 6.6.140, 7.0.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/28a6c132b8c6e5eeefa889c4fb43d65b12989d48
• https://git.kernel.org/stable/c/29a7b2614357393b176ef06ba5bc3ff5afc8df69
• https://git.kernel.org/stable/c/5804cb507233ed767a83ac70527b2f6c4566ec75
• https://git.kernel.org/stable/c/5c293a1e1ef0f838772d20ae8afae4cbd87cd3f9
• https://git.kernel.org/stable/c/82fb9da6477d08bdab954dc7bc081a41f2f9cae6
• https://git.kernel.org/stable/c/ed2d6442e61169e565727ba15c4f6a0cb5ce16df

Get alerted when CVE-2026-46005 or the next vulnerability affects your stack