CVE-2022-24122

kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.

CVSS v3.1

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS

1.01% chance of exploitation in the next 30 days, 61th percentile

Published

2022-01-29

Updated

2024-08-03

Proof-of-concept exploits (1)

• meowmeowxw/CVE-2022-2412212★ · 2022-03-15

References

• CVE Record
• NVD entry

Related

• CVE-2022-24121
• CVE-2022-24124
• CVE-2022-2412
• CVE-2022-24125
• CVE-2022-24115
• CVE-2022-24126