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CVE-2022-23090

AIO credential reference count leak

HIGH
7.7
CVSS Score
Published: February 15, 2024 at 05:09 AM UTC
Updated: June 17, 2026 at 04:29 AM UTC
1 product affected across 1 vendorFreeBSD

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Severity
HIGH7.7
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

The aio_aqueue function, used by the lio_listio system call, fails to release a reference to a credential in an error case. An attacker may cause the reference count to overflow, leading to a use after free (UAF).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FreeBSD· Freebsd
95%
12.3-RELEASE ≤ v < p613.0 ≤ v < 13.0_p1213.0-RELEASE ≤ v < p1213.1 ≤ v < 13.1_p113.1-RELEASE ≤ v < p112.3 beta112.3 p112.3 p212.3 p312.3 p412.3 p512.3-RELEASE13.013.0 beta113.0 beta213.0 beta313.0 beta3-p113.0 beta413.0 p113.0 p1013.0 p1113.0 p213.0 p313.0 p413.0 p513.0 p613.0 p713.0 p813.0 p913.0 rc113.0 rc213.0 rc313.0 rc413.0 rc513.0 rc5-p113.0-RELEASE13.113.1-RELEASE
Affected range stops below 13.0_p12, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.1_p1, so it looks safe — our inference, not a vendor statement
Affected range stops below p1, so it looks safe — our inference, not a vendor statement
Affected range stops below p12, so it looks safe — our inference, not a vendor statement
Affected range stops below p6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://security.freebsd.org/advisories/FreeBSD-SA-22:10.aio.asc
Third Party Advisory
Source: [email protected]
https://security.netapp.com/advisory/ntap-20240415-0007/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.7HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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