CVE-2026-24183: NVIDIA Cumulus Linux contains a vulnerability in the user management component, where an unprivileged user cou

Routine

HIGH 7.8WATCHLISTMITIGATE

CVE-2026-24183 is a high-severity flaw (CVSS 7.8) affecting cumulus linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NVIDIA Cumulus Linux contains a vulnerability in the user management component, where an unprivileged user could use improper privilege management on the system. A successful exploit of this vulnerability might lead to escalation of privileges.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-250
Published	2026-08-18
Last modified	2026-10-22

Publisher (CNA): NVIDIA Corporation · Vendor: nvidia

Last updated 2026-10-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-18Published CVE record published
2026-10-22 22:10 UTCUpdated Record last modified

nvidia cumulus linux MITIGATE

Affected: 5.15.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.15.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · wasmedge · FIXED · 0.18.1-1.fc46 · FEDORA-2026-4c27216e39 · source

sudo dnf upgrade --advisory=FEDORA-2026-4c27216e39

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-2026-24183?

cumulus linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-24183 being exploited?

CVE-2026-24183 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-2026-24183 affect?

CVE-2026-24183 affects cumulus linux. Severity is high (CVSS 7.8). NVIDIA Cumulus Linux contains a vulnerability in the user management component, where an unprivileged user could use improper privilege management on the system. A successful exploit of this vulnerability might lead to escalation of privile

How urgent is CVE-2026-24183?

Priority 33/100. High severity; On your watchlist

Software pages

NVIDIA vulnerabilities

References

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