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SUSE-SU-2026:0450-1

Опубликовано: 11 фев. 2026
Источник: suse-cvrf

Описание

Security update for munge

This update for munge fixes the following issues:

  • CVE-2026-25506: buffer overflow in message unpacking (bsc#1257651).
  • Make logrotate work on munge log as user munge. This prevents a local privilege escalation (bsc#1246088).

Список пакетов

SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS
libmunge2-0.5.15-150400.18.10.1
munge-0.5.15-150400.18.10.1
munge-devel-0.5.15-150400.18.10.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
libmunge2-0.5.15-150400.18.10.1
munge-0.5.15-150400.18.10.1
munge-devel-0.5.15-150400.18.10.1
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS
libmunge2-0.5.15-150400.18.10.1
munge-0.5.15-150400.18.10.1
munge-devel-0.5.15-150400.18.10.1
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS
libmunge2-0.5.15-150400.18.10.1
munge-0.5.15-150400.18.10.1
munge-devel-0.5.15-150400.18.10.1

Ссылки

Описание

MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material from process memory. With the leaked key material, the attacker could forge arbitrary MUNGE credentials to impersonate any user (including root) to services that rely on MUNGE for authentication. The vulnerability allows a buffer overflow by sending a crafted message with an oversized address length field, corrupting munged's internal state and enabling extraction of the MAC subkey used for credential verification. This vulnerability is fixed in 0.5.18.

Затронутые продукты
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:libmunge2-0.5.15-150400.18.10.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:munge-0.5.15-150400.18.10.1
SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:munge-devel-0.5.15-150400.18.10.1
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:libmunge2-0.5.15-150400.18.10.1
Ссылки