CVE-2022-0563: A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support

Q: How do I fix CVE-2022-0563?

util-linux: upgrade to 2.37.4; ontap select deploy administration utility: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2022-0563 being exploited?

CVE-2022-0563 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-0563 affect?

CVE-2022-0563 affects util-linux, ontap select deploy administration utility. Severity is medium (CVSS 5.5). A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an "INPUTRC" environment variable to get a path to the library config file. When the library cannot parse the specifie

Q: How urgent is CVE-2022-0563?

Priority 34/100. On your watchlist

Routine

MEDIUM 5.5WATCHLISTUPGRADEMITIGATE

CVE-2022-0563 is a medium-severity flaw (CVSS 5.5) affecting util-linux, ontap select deploy administration utility. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an "INPUTRC" environment variable to get a path to the library config file. When the library cannot parse the specified file, it prints an error message containing data from the file. This flaw allows an unprivileged user to read root-owned files, potentially leading to privilege escalation. This flaw affects util-linux versio

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-209
Published	2022-02-21
Last modified	2026-10-14

Publisher (CNA): Red Hat, Inc. · Vendor: kernel · netapp

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-02-21 19:15 UTCPublished CVE record published
2026-10-14 13:17 UTCUpdated Record last modified

kernel util-linux UPGRADE

Affected: < 2.37.4

Fixed in: 2.37.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy util-linux || rpm -q util-linux || util-linux --version

2. UPGRADE to 2.37.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade util-linux

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade util-linux

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

netapp ontap select deploy administration utility MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ontap-select-deploy-administration-utility || rpm -q ontap-select-deploy-administration-utility || ontap-select-deploy-administration-utility --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2022-0563?

util-linux: upgrade to 2.37.4; ontap select deploy administration utility: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-0563 being exploited?

CVE-2022-0563 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-2022-0563 affect?

CVE-2022-0563 affects util-linux, ontap select deploy administration utility. Severity is medium (CVSS 5.5). A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an "INPUTRC" environment variable to get a path to the library config file. When the library cannot parse the specifie

How urgent is CVE-2022-0563?

Priority 34/100. On your watchlist

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References

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