Information Exposure Affecting torvalds/linux package, versions [,5.9-rc1)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.01% (2nd percentile)

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  • Snyk IDSNYK-UNMANAGED-TORVALDSLINUX-5904283
  • published18 Sept 2023
  • disclosed18 Sept 2023
  • creditUnknown

Introduced: 18 Sep 2023

CVE-2020-36766  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade torvalds/linux to version 5.9-rc1 or higher.

Overview

Affected versions of this package are vulnerable to Information Exposure due to insufficient checks in the cec-api.c file. This issue allows an attacker to leak one byte of kernel memory on specific hardware to unprivileged users by directly assigning log_addrs with a hole in the struct.

References

CVSS Base Scores

version 3.1