CVE-2026-54228 Abrt: toctou race condition in abrt-dbus setelement allows arbitrary file writes to dump directories
Local attackers can exploit a race condition in abrt-dbus to write arbitrary files to root-owned directories, potentially leading to privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-54228?
CVE-2026-54228 is a high-severity vulnerability in Red Hat Enterprise Linux 6, published on 13 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A time-of-check time-of-use (TOCTOU) race condition was found in the abrt-dbus D-Bus service's SetElement method. Between dump directory creation and post-create event execution, any local user can call SetElement to write arbitrary text files into the root-owned dump directory, bypassing package validation and allowing crashes of unpackaged binaries to survive post-create processing.
Weakness: CWE-367
Which versions are affected by CVE-2026-54228?
How do I fix CVE-2026-54228?
Apply the vendor's patch.
Is CVE-2026-54228 being exploited?
There is no known exploitation of CVE-2026-54228 in the wild and no public exploit code.
Sources
Also known as GHSA-6pjg-wmm6-r8rp.