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nvd416baaa9-dc9f-4396-8d5f-8c081fb06d67NVD:CVE-2023-52801
HistoryMay 21, 2024 - 4:15 p.m.

CVE-2023-52801

2024-05-2116:15:18
CWE-284
416baaa9-dc9f-4396-8d5f-8c081fb06d67
web.nvd.nist.gov
3
linux
kernel
vulnerability
resolution
iommufd
iopt_area
domains_itree
uaf
cve-2023-52801

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.5

Confidence

Low

EPSS

0

Percentile

15.5%

In the Linux kernel, the following vulnerability has been resolved:

iommufd: Fix missing update of domains_itree after splitting iopt_area

In iopt_area_split(), if the original iopt_area has filled a domain and is
linked to domains_itree, pages_nodes have to be properly
reinserted. Otherwise the domains_itree becomes corrupted and we will UAF.

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

6.5

Confidence

Low

EPSS

0

Percentile

15.5%