ABRT · CVE-2026-110331 · Other
NO FIX YET
ABRT, the Linux crash-reporting tool, has a flaw where a completeness check on crash dump directories can be bypassed by an unprivileged local user. An attacker can then alter dump elements or take ownership of dump directories while privileged ABRT handlers process them.
first public Nov 13, 2026 · 2 sources
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Linux hosts with ABRT installed (Red Hat family distributions ship it) where unprivileged local users can log in. The completeness check added for CVE-2026-54228 and CVE-2026-54229 only looks for a 'count' element that a local user can create, so those two attacks work again. Single-user machines and hosts without ABRT can skip it.
Not affected if abrt-not-installed, no-local-untrusted-users
Who cares abrt, linux, self-hosted
No fix yet, per the sources.
A flaw was found in abrt. The completeness check introduced to mitigate CVE-2026-54228 and CVE-2026-54229 only verifies that a dump directory contains a "count" element, which an unprivileged user can create. This allows a local attacker to bypass the guard and again poison elements in, or seize ownership of, dump directories while privileged ABRT handlers are processing them. Related Problems2 mutating methods remain ungated by the same check.
This page as .md · .json · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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