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ASUSTOR Produkt Sicherheitsberater

AS-2022-003: Linux Kernel

2022-07-07

Severity

Not affected

Status

Resolved

Statement

None of ASUSTOR's products are affected by CVE-2022-0847, this vulnerability only affects Linux Kernel 5.8 and above.

  • ADM 4.1 uses Kernel 5.13, and the issue had been fixed.
  • ADM 4.0 uses Kernel 5.4.
  • ADM 3.5 uses Kernel 4.14.

Affected Products

Product Severity Fixed Release Availability
ADM 4.1 Not affected N/A
ADM 4.0 Not affected N/A
ADM 3.5 Not affected N/A

Detail

  • CVE-2022-0847
    • Severity: High
    • A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe and push_pipe functions in the Linux kernel and could thus contain stale values. An unprivileged local user could use this flaw to write to pages in the page cache backed by read only files and as such escalate their privileges on the system.

Reference


Revision

Revision Date Description
1 2022-03-11 Initial public release.
2 2022-07-07 Adding information for ADM 4.1.