CVE-2012-0875: SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled, allows local users to ob

Routine

MEDIUM 5.4DOWNGRADE

CVE-2012-0875 is a medium-severity flaw (CVSS 5.4) affecting systemtap. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled, allows local users to obtain sensitive information from kernel memory or cause a denial of service (kernel panic and crash) via vectors related to crafted DWARF data, which triggers a read of an invalid pointer.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
EPSS exploit chance	0.4% (top 71%)
CISA exploited list	No
Weakness	CWE-264
Published	2014-02-04
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2014-02-04 23:55 UTCPublished CVE record published
2026-06-16 23:38 UTCUpdated Record last modified

systemtap systemtap DOWNGRADE

Affected: 1.6.7 · 1.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.7

1. Check installed version

apt-cache policy systemtap || rpm -q systemtap || systemtap --version

2. No fixed release: DOWNGRADE to a release before 1.6.7 (Debian / Ubuntu)

apt-cache madison systemtap sudo apt install systemtap=<VERSION_BEFORE_1.6.7> sudo apt-mark hold systemtap

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list systemtap sudo dnf downgrade systemtap-<VERSION_BEFORE_1.6.7> sudo dnf versionlock add systemtap

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2012-0875?

systemtap: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2012-0875 being exploited?

CVE-2012-0875 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-2012-0875 affect?

CVE-2012-0875 affects systemtap. Severity is medium (CVSS 5.4). SystemTap 1.7, 1.6.7, and probably other versions, when unprivileged mode is enabled, allows local users to obtain sensitive information from kernel memory or cause a denial of service (kernel panic and crash) via vectors related to crafted

How urgent is CVE-2012-0875?

Priority 26/100. No elevated risk signals yet.

Related CVEs

CVE-2011-2503 LOW 3.7 UPGRADE The insert_module function in runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in Syste
CVE-2011-2502 MEDIUM 4.4 UPGRADE runtime/staprun/staprun_funcs.c in the systemtap runtime tool (staprun) in SystemTap before 1.6 does not prope

References

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