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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-39189
HistoryOct 09, 2023 - 6:15 p.m.

CVE-2023-39189

2023-10-0918:15:10
Debian Security Bug Tracker
security-tracker.debian.org
11
netfilter
linux kernel
out-of-bounds read
information disclosure
local privileged

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

16.1%

A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

16.1%