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ubuntuUbuntuUSN-2824-1
HistoryDec 01, 2015 - 12:00 a.m.

Linux kernel (Utopic HWE) vulnerability

2015-12-0100:00:00
ubuntu.com
56

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

17.0%

Releases

  • Ubuntu 14.04 ESM

Packages

  • linux-lts-utopic - Linux hardware enablement kernel from Utopic

Details

Dmitry Vyukov discovered that the Linux kernel’s keyring handler attempted
to garbage collect incompletely instantiated keys. A local unprivileged
attacker could use this to cause a denial of service (system crash).

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

17.0%