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CVE-2023-5972

Kernel: the nfta_inner_num and nfta_expr_name netlink attributes accessed without checking its presence in nft_inner.c

HIGH
7.8
CVSS Score
Published: November 23, 2023 at 05:21 PM UTC
Updated: June 17, 2026 at 06:49 AM UTC
3 products affected across 3 vendorsLinux KernelFedoraKernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%

Description

A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (4)

VDB Entryx_refsource_REDHATThird Party Advisory
Source: [email protected]
https://access.redhat.com/security/cve/CVE-2023-5972
Issue Trackingx_refsource_REDHATPatch
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=2248189
Patch
Source: [email protected]
https://github.com/torvalds/linux/commit/505ce0630ad5d31185695f8a29dde8d29f28faa7
Patch
Source: [email protected]
https://github.com/torvalds/linux/commit/52177bbf19e6e9398375a148d2e13ed492b40b80

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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