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cvelistRedhatCVELIST:CVE-2020-10768
HistorySep 15, 2020 - 11:13 p.m.

CVE-2020-10768

2020-09-1523:13:30
CWE-440
redhat
www.cve.org

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being β€˜force disabled’ when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "Linux Kernel",
    "versions": [
      {
        "status": "affected",
        "version": "before 5.8-rc1"
      }
    ]
  }
]

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

6.3 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

12.7%