Review reviewCritical

CVE-2022-50717

Linux

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.

CVSS
9.8
EPSS
0.71%
50.0% percentile
CISA KEV
Not listed
Published
2025.12.24
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.71%
Technical severityCVSS 9.8

Vulnerability overview

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 product and versions

Product
Linux
Affected versions
>= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 0d150ccd55dbfad36f55855b40b381884c98456e, >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < d5bb45f47b37d10f010355686b28c9ebacb361d4, >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < ec8adf767e1cfa7031f853b8c71ba1963f07df15, >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < fcf82e4553db911d10234ff2390cfd0e2aa854e4, >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < 752593d04637ebdc87fd29cba81897f21ae053f0, >= 872d26a391da92ed8f0c0f5cb5fef428067b7f30 < b6a545ffa2c192b1e6da4a7924edac5ba9f4ea2b, >= 5.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2022-50717 — Linux | SECUFOCUS NOW