All errata/sisyphus/ALT-PU-2026-14396-2
ALT-PU-2026-14396-2

Package update haveged in branch sisyphus

Version1.9.26-alt1
Published2026-08-31
Max severityHIGH
Severity:

Closed issues (2)

BDU:2026-12851
HIGH7.8

Уязвимость компонента src/havegecmd.c генератора случайных чисел Haveged, позволяющая нарушителю вызвать отказ в обслуживании

Published: 2026-08-27
CVSS 3.xHIGH 7.8
CVSS:3.x/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0MEDIUM 6.8
CVSS:2.0/AV:L/AC:L/Au:S/C:C/I:C/A:C
CVE-2026-41054
HIGH7.8

In `src/havegecmd.c`, the `socket_handler` function performs a credential check on the abstract UNIX socket (`\0/sys/entropy/haveged`). However, while it detects if the connecting user is not root (`cred.uid != 0`) and prepares a negative acknowledgement (`ASCII_NAK`), it **fails to stop execution**. The code proceeds to the `switch` statement, allowing any local unprivileged user to execute privileged commands such as `MAGIC_CHROOT`.

Published: 2026-05-20Modified: 2026-07-24
CVSS 3.xHIGH 7.8
CVSS:3.x/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H