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FreeBSD: VID-5DDBE47B-1891-11ED-9B22-002590C1F29C (CVE-2022-23090): FreeBSD -- AIO credential reference count leak

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FreeBSD: VID-5DDBE47B-1891-11ED-9B22-002590C1F29C (CVE-2022-23090): FreeBSD -- AIO credential reference count leak

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/09/2022
Created
11/08/2022
Added
11/04/2022
Modified
11/04/2022

Description

Details for this vulnerability have not been published by NIST at this point. Descriptions from software vendor advisories for this issue are provided below.

From VID-5DDBE47B-1891-11ED-9B22-002590C1F29C:

Problem Description:

The aio_aqueue function, used by the lio_listio system call, fails

to release a reference to a credential in an error case.

Impact:

An attacker may cause the reference count to overflow, leading to a

use after free (UAF).

Solution(s)

  • freebsd-upgrade-base-12_3-release-p6
  • freebsd-upgrade-base-13_0-release-p12

References

  • CVE-2022-23090

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