Vulnerability Name:

CCN-98921

Published:2014-11-23
Updated:2014-11-23
Summary:Multiple unspecified errors related to the trying and failing to return directly to userspace from IST
context in Linux Kernel could allow a local attacker to confuse signal delivery or corrupt kernel stack.
CVSS v3 Severity:5.9 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Consequences:Gain Access
References:Source: CCN
Type: oss-security Mailing List, Sun, 23 Nov 2014 16:18:16 -0800
CVE Request: Linux kernel LDT handling bugs

Source: CCN
Type: BID-71253
Linux Kernel Multiple Security Vulnerabilities

Source: XF
Type: UNKNOWN
linux-kernel-multiple-unspec(98921)

Source: CCN
Type: Linux Kernel GIT Repository
x86_64, traps: Stop using IST for #SS

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:accelatech:bizsearch:3.2:-:*:*:*:linux_kernel:*:*

    • * Denotes that component is vulnerable
    BACK
    accelatech bizsearch 3.2 -