What’s Vulnerable › Vulnerabilities

CVE-2022-50351: cifs: Fix xid leak in cifs_create()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-16 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifs_create() If the cifs already shutdown, we should free the xid before return, otherwise, the xid will be leaked.

Affected products

• Linux kernel: from 5.13 before 5.15.76; from 5.16 before 6.0.6; 6.1-rc1 — fixed in 5.15.76, 6.0.6

How to fix

Upgrade to a fixed version: Linux kernel 5.15.76, 6.0.6. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/593d877c39aa9f3fe1a4b5b022492886d7d700ec
• https://git.kernel.org/stable/c/92aa09c86ef297976a3c27c6574c0839418dc2c4
• https://git.kernel.org/stable/c/fee0fb1f15054bb6a0ede452acb42da5bef4d587

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