OpenSSH through 10.0, when common types of DRAM are used, might allow row hammer attacks (for authentication bypass) because the integer value of authenticated in mm_answer_authpassword does not resist flips of a single bit. NOTE: this is a…

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2023-51767 · Microsoft / collected KEV context

cve-program · CVE-2023-51767

• https://arxiv.org/abs/2309.02545
• https://github.com/openssh/openssh-portable/blob/8241b9c0529228b4b86d88b1a6076fb9f97e4a99/monitor.c#L878
• https://github.com/openssh/openssh-portable/blob/8241b9c0529228b4b86d88b1a6076fb9f97e4a99/auth-passwd.c#L77
• https://bugzilla.redhat.com/show_bug.cgi?id=2255850
• https://access.redhat.com/security/cve/CVE-2023-51767
• https://ubuntu.com/security/CVE-2023-51767
• https://security.netapp.com/advisory/ntap-20240125-0006/
• https://www.openwall.com/lists/oss-security/2025/09/22/1

No related operational record is retained in the current change model.