CVE-2015-6564

Use-after-free vulnerability in the mm_answer_pam_free_ctx function in monitor.c in sshd in OpenSSH before 7.0 on non-OpenBSD platforms might allow local users to gain privileges by leveraging control of the sshd uid to send an unexpectedly early MONITOR_REQ_PAM_FREE_CTX request.

Scoring

Severity
HIGH
CVSS base score
7
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS probability
2.08%
Published
2015-08-24
Last modified
2026-05-27

Affected products

Markdown version · Browse all CVEs