7.0
High
CVE-2026-54230 Abrt: event handler scripts follow symlinks when writing output files, allowing arbitrary file overwrites
Description
A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event scripts write output files using shell redirections without the O_NOFOLLOW flag. If the target file is replaced with a symlink, the shell process running as root follows the symlink and writes content to the symlink target, allowing arbitrary file overwrites on the system.
CVSS 3.1 detail
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitable with local access to the machine, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Local
- Attack complexity
- High
- Privileges required
- Low
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 6 | Versions not published | |
| Red Hat Enterprise Linux 7 | Versions not published | |
| Red Hat Enterprise Linux 8 | Versions not published | |
| Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | Versions not published | |
| Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | Versions not published | |
| Red Hat Enterprise Linux 8.8 Telecommunications Update Service | Versions not published | |
| Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | Versions not published | |
| Red Hat Enterprise Linux 7 Extended Lifecycle Support | Versions not published | |
| Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | Versions not published |
Show the other branch Hide the other branch
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | Versions not published |
References
- RHSA-2026:54272 access.redhat.com
- RHSA-2026:69115 access.redhat.com
- RHSA-2026:69116 access.redhat.com
- RHSA-2026:69117 access.redhat.com
- RHSA-2026:69121 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2488568 bugzilla.redhat.com
Timeline
- Published
- Last modified
Other CVEs of Red Hat Enterprise Linux 6
The 1339 CVEs of Red Hat Enterprise Linux 6 →
CVE-2026-123151
Gdb: gdb: stack buffer overflow in parse_tsv_definition via stale rs->buf tail
Not rated
CVE-2026-121997
Gdb: gdbserver: heap buffer overflow in cmd_qtdpsrc via qtdpsrc declared/actual length mismatch
8.1
High
CVE-2026-121996
Gdb: gdbserver: heap disclosure and wild pointer in gdb_parse_agent_expr via untrusted agent-expression length
8.2
High
CVE-2026-121995
Gdb: gdb: stack buffer overflow in parse_tracepoint_definition via stale rs->buf tail
7.5
High