What’s Vulnerable › Vulnerabilities

CVE-2022-50717: nvmet-tcp: add bounds check on Transfer Tag

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-24 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds check on Transfer Tag ttag is used as an index to get cmd in nvmet_tcp_handle_h2c_data_pdu(), add a bounds check to avoid out-of-bounds access.

Affected products

• Linux kernel: 5.0 — fixed in 6.1

How to fix

Upgrade to a fixed version: Linux kernel 6.1. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0d150ccd55dbfad36f55855b40b381884c98456e
• https://git.kernel.org/stable/c/752593d04637ebdc87fd29cba81897f21ae053f0
• https://git.kernel.org/stable/c/b6a545ffa2c192b1e6da4a7924edac5ba9f4ea2b
• https://git.kernel.org/stable/c/d5bb45f47b37d10f010355686b28c9ebacb361d4
• https://git.kernel.org/stable/c/ec8adf767e1cfa7031f853b8c71ba1963f07df15
• https://git.kernel.org/stable/c/fcf82e4553db911d10234ff2390cfd0e2aa854e4

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