Description
ppc64-diag 2.6.1 allows local users to overwrite arbitrary files via a symlink attack related to (1) rtas_errd/diag_support.c and /tmp/get_dt_files, (2) scripts/ppc64_diag_mkrsrc and /tmp/diagSEsnap/snapH.tar.gz, or (3) lpd/test/lpd_ela_test.sh and /var/tmp/ras.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ppc64-diag | 2.7.1-5 | — |
| Debian 12 | ppc64-diag | 2.7.1-5 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | ppc64-diag | 2.6.7-6.el7 | RHSA-2015:0383 |
| RHEL 6 | ppc64-diag | 2.6.7-4.el6 | RHSA-2015:1320 |
Advisories 2
- RHSA-2015:1320 Red Hat Security Advisory: ppc64-diag security, bug fix and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2015:0383 Red Hat Security Advisory: ppc64-diag security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
References
- RHSA-2015:1320 vendor-advisory
- [oss-security] 20140617 Re: CVE request: multiple /tmp races in ppc64-diag mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1109371
- RHSA-2015:0383 vendor-advisory
- 60616 third-party-advisory
- SUSE-SU-2014:0928 vendor-advisory
- https://bugzilla.novell.com/show_bug.cgi?id=882667
- 68049 vdb-entry