CVE-2011-2910: The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call

Q: How do I fix CVE-2011-2910?

ax25-tools: upgrade to 0.0.8-13; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2011-2910 being exploited?

CVE-2011-2910 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-2011-2910 affect?

CVE-2011-2910 affects ax25-tools, debian linux. Severity is medium (CVSS 6.7). The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call. The setuid call is responsible for dropping privileges but if the call fails the daemon would continue to run with root privileges whic

Q: How urgent is CVE-2011-2910?

Priority 36/100. On your watchlist

Routine

MEDIUM 6.7WATCHLISTUPGRADEMITIGATE

CVE-2011-2910 is a medium-severity flaw (CVSS 6.7) affecting ax25-tools, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call. The setuid call is responsible for dropping privileges but if the call fails the daemon would continue to run with root privileges which can allow possible privilege escalation.

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.7 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-269
Published	2019-11-15
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: debian · linux-ax25

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-11-15 17:15 UTCPublished CVE record published
2026-06-16 23:32 UTCUpdated Record last modified

linux-ax25 ax25-tools UPGRADE

Affected: < 0.0.8-13

Fixed in: 0.0.8-13

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ax25-tools || rpm -q ax25-tools || ax25-tools --version

2. UPGRADE to 0.0.8-13 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ax25-tools

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ax25-tools

Note

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

debian debian linux MITIGATE

Affected: 8.0 · 9.0 · 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

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.

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-2011-2910?

ax25-tools: upgrade to 0.0.8-13; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-2910 being exploited?

CVE-2011-2910 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-2011-2910 affect?

CVE-2011-2910 affects ax25-tools, debian linux. Severity is medium (CVSS 6.7). The AX.25 daemon (ax25d) in ax25-tools before 0.0.8-13 does not check the return value of a setuid call. The setuid call is responsible for dropping privileges but if the call fails the daemon would continue to run with root privileges whic

How urgent is CVE-2011-2910?

Priority 36/100. On your watchlist

Software pages

Debian vulnerabilities

References

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