High severity · published Feb 15, 2024
CVE-2022-23090
AIO credential reference count leak
7.7
CVSS
0.2%
EPSS
No
On KEV
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).
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 12% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FR
FreeBSD · FreeBSD
13.1-RELEASE before p1; 13.0-RELEASE before p12; 12.3-RELEASE before p6 · source: vendor, NVD, CISA
Affected product
FR
FreeBSD
FreeBSD
More from FreeBSD
10.0
CVE-2024-43102
umtx Kernel panic or Use-After-Free
10.0
CVE-2018-17160
In FreeBSD before 11.2-STABLE(r341486) and 11.2-RELEASE-p6, insufficient bounds checking in one of the device models provided by bhyve can permit a guest operating system to…
9.8
CVE-2026-101306
Multiple jail filesystem root escapes
9.8
CVE-2026-58082
Stack based buffer overflow in iconv(3)
9.8
CVE-2026-58081
Heap based buffer overflow in iconv(3)