What’s Vulnerable › Vulnerabilities

CVE-2022-48686: nvme-tcp: fix UAF when detecting digest errors

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-03 · updated 2026-08-04
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix UAF when detecting digest errors We should also bail from the io_work loop when we set rd_enabled to true, so we don't attempt to read data from the socket when the TCP stream is already out-of-sync or corrupted.

Affected products

• Linux kernel: from 5.0 before 5.4.213; from 5.5 before 5.10.143; from 5.11 before 5.15.68; from 5.16 before 5.19.9 — fixed in 5.10.143, 5.15.68, 5.19.9, 5.4.213

How to fix

Upgrade to a fixed version: Linux kernel 5.10.143, 5.15.68, 5.19.9, 5.4.213. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/13c80a6c112467bab5e44d090767930555fc17a5
• https://git.kernel.org/stable/c/160f3549a907a50e51a8518678ba2dcf2541abea
• https://git.kernel.org/stable/c/19816a0214684f70b49b25075ff8c402fdd611d3
• https://git.kernel.org/stable/c/5914fa32ef1b7766fea933f9eed94ac5c00aa7ff
• https://git.kernel.org/stable/c/c3eb461aa56e6fa94fb80442ba2586bd223a8886
• https://git.kernel.org/stable/c/13c80a6c112467bab5e44d090767930555fc17a5
• https://git.kernel.org/stable/c/160f3549a907a50e51a8518678ba2dcf2541abea
• https://git.kernel.org/stable/c/19816a0214684f70b49b25075ff8c402fdd611d3
• https://git.kernel.org/stable/c/5914fa32ef1b7766fea933f9eed94ac5c00aa7ff
• https://git.kernel.org/stable/c/c3eb461aa56e6fa94fb80442ba2586bd223a8886

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