ALT-BU-2016-2546-2

Branch sisyphus update bulletin.

Package kernel-image-un-def updated to version 4.4.0-alt2 for branch sisyphus in task 156143.

Уязвимость ядра операционной системы Linux, позволяющая нарушителю повысить свои привилегии и выполнить произвольный код на целевой системе

Severity: HIGH (7.8)Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: MEDIUM (6.8)Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C

References:

The join_session_keyring function in security/keys/process_keys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service (integer overflow and use-after-free) via crafted keyctl commands.

Severity: HIGH (7.2)Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: HIGH (7.8)Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References:

Version: 2.1.2

Branch sisyphus update on 2016-01-20

ALT-BU-2016-2546-2

ALT-PU-2016-1040-1

Closed vulnerabilities

BDU:2016-00187

CVE-2016-0728