CVE-2023-6817

2023-12-1815:15:10

CWE-416

[email protected]

web.nvd.nist.gov

use-after-free

nf_tables

local privilege escalation

pipapo

linux kernel

upgrade

commit 317eb9685095678f2c9f5a8189de698c5354316a

netfilter

vulnerability

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

Percentile

5.1%

JSON

A use-after-free vulnerability in the Linux kernel’s netfilter: nf_tables component can be exploited to achieve local privilege escalation.

The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free.

We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.

Affected configurations

Nvd

Node

linuxlinux_kernelRange5.6–5.10.204

linuxlinux_kernelRange5.11–5.15.143

linuxlinux_kernelRange5.16–6.1.68

linuxlinux_kernelRange6.2–6.6.7

linuxlinux_kernelMatch6.7rc1

linuxlinux_kernelMatch6.7rc2

linuxlinux_kernelMatch6.7rc3

linuxlinux_kernelMatch6.7rc4

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linuxlinux_kernel6.7cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*
linuxlinux_kernel6.7cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:*
linuxlinux_kernel6.7cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:*
linuxlinux_kernel6.7cpe:2.3:o:linux:linux_kernel:6.7:rc4:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
linux	linux_kernel	6.7	cpe:2.3:o:linux:linux_kernel:6.7:rc1::::::
linux	linux_kernel	6.7	cpe:2.3:o:linux:linux_kernel:6.7:rc2::::::
linux	linux_kernel	6.7	cpe:2.3:o:linux:linux_kernel:6.7:rc3::::::
linux	linux_kernel	6.7	cpe:2.3:o:linux:linux_kernel:6.7:rc4::::::