Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · RHEL 10 enterprise_linux:10.2 | kbd | 0:2.6.4-8.el10_2 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | kbd-debuginfo | 0:2.6.4-8.el10_2 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | kbd-debugsource | 0:2.6.4-8.el10_2 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | kbd-legacy | 0:2.6.4-8.el10_2 |
| Red Hat · RHEL 10 enterprise_linux:10.2 | kbd-misc | 0:2.6.4-8.el10_2 |
Vulnerabilities 1
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High 7.8
Kbd: local privilege escalation in openvt via incorrect process owner verification allowing passwordless root login
`openvt -u` is intended to identify the owner of the current VT and then execute `login` as that user from a privileged context. In the documented `kbrequest`/init usage, the ownership test in `authenticate_user()` relies on `stat("/proc/<pid>/fd/0")`. `stat(…
References
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article
https://access.redhat.com/security/updates/classification/#moderate
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2462115
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_57597.json
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report
https://access.redhat.com/security/cve/CVE-2026-72693
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-72693
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-72693