CVE-2022-50717: In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds check on Transfer T

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CRITICAL 9.8REMOTEWATCHLIST

CVE-2022-50717 is a critical-severity flaw (CVSS 9.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Published	2025-12-24
Last modified	2026-08-04

Publisher (CNA): kernel.org

Last updated 2026-08-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2025-12-24 13:15 UTCPublished CVE record published
2026-08-04 10:18 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · amule · FIXED · 3.2.0-1.fc46 · FEDORA-2026-4feb2647b0 · source

sudo dnf upgrade --advisory=FEDORA-2026-4feb2647b0

Fedora ELN · mysql9.7 · FIXED · 9.7.4-3.eln159 · FEDORA-2026-ea1c50e49b · source

sudo dnf upgrade --advisory=FEDORA-2026-ea1c50e49b

Ubuntu 20.04 · linux · FIXED · 5.4.0-139.156

sudo apt update && sudo apt install --only-upgrade linux dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "5.4.0-139.156" && echo PATCHED || echo STILL-VULNERABLE

Ubuntu 22.04 · linux · FIXED · 5.15.0-60.66

sudo apt update && sudo apt install --only-upgrade linux dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "5.15.0-60.66" && echo PATCHED || echo STILL-VULNERABLE

Ubuntu 24.04 · linux · NOT AFFECTED

Ubuntu 25.10 · linux · NOT AFFECTED

Ubuntu 20.04 · linux-hwe-5.15 · FIXED · 5.15.0-60.66~20.04.1

sudo apt update && sudo apt install --only-upgrade linux-hwe-5.15 dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux-hwe-5.15)" ge "5.15.0-60.66~20.04.1" && echo PATCHED || echo STILL-VULNERABLE

Debian 12 · linux · FIXED · 6.0.3-1

sudo apt update && sudo apt install --only-upgrade linux dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "6.0.3-1" && echo PATCHED || echo STILL-VULNERABLE

Debian 13 · linux · FIXED · 6.0.3-1

sudo apt update && sudo apt install --only-upgrade linux dpkg --compare-versions "$(dpkg-query -W -f='${Version}' linux)" ge "6.0.3-1" && echo PATCHED || echo STILL-VULNERABLE

RHEL 8 · kernel · FIXED · kernel-4.18.0-513.5.1.el8_9

sudo dnf upgrade --advisory=RHSA-2023:7077 rpm -q kernel

RHEL 8.8 Extended Update Support · kernel · FIXED · kernel-4.18.0-477.58.1.el8_8

sudo dnf upgrade --advisory=RHSA-2024:3810 rpm -q kernel

RHEL 9 · kernel · FIXED · kernel-5.14.0-284.11.1.el9_2

sudo dnf upgrade --advisory=RHSA-2023:2458 rpm -q kernel

RHEL 10 · kernel · NOT AFFECTED

RHEL 6 · kernel · NOT AFFECTED

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-50717?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2022-50717 being exploited?

CVE-2022-50717 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-50717 affect?

CVE-2022-50717 affects affected software. Severity is critical (CVSS 9.8). 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.

How urgent is CVE-2022-50717?

Priority 59/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Linux kernel vulnerabilities

References

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