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Debian Security Bug TrackerDEBIANCVE:CVE-2023-32233HistoryMay 08, 2023 - 8:15 p.m.
CVE-2023-32233
2023-05-0820:15:20
Debian Security Bug Tracker
security-tracker.debian.org
47
cve-2023-32233
netfilter nf_tables
arbitrary read
kernel memory
root privileges
anonymous sets
CVSS3
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0
Percentile
5.1%
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | linux | < 6.1.27-1 | linux_6.1.27-1_all.deb |
| Debian | 11 | all | linux | < 5.10.179-1 | linux_5.10.179-1_all.deb |
| Debian | 999 | all | linux | < 6.1.27-1 | linux_6.1.27-1_all.deb |
| Debian | 13 | all | linux | < 6.1.27-1 | linux_6.1.27-1_all.deb |
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CVSS3
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0
Percentile
5.1%
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