What’s Vulnerable › Vulnerabilities

CVE-2026-72356: cifs: Fix missing credit release on failure in cifs_issue_read()

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix missing credit release on failure in cifs_issue_read() Fix missing release of credits in the failure path in cifs_issue_read() lest retrying the subreq just overwrites the credits value.

Affected products

• Linux kernel: 6.10 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3a303f985c6bec8787c2ad4a16b39c14c5bcd765
• https://git.kernel.org/stable/c/86652704a7fd41a5a8459027e08640bbd1952826
• https://git.kernel.org/stable/c/b9ee1f0347bf56d019ca28ddff090234bb45b05c
• https://git.kernel.org/stable/c/c16b8c4cfb4fe2244cc33e469a93c1ab8684146b

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