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CVE-2024-45018

netfilter: flowtable: initialise extack before use

MEDIUM
5.5
CVSS Score
Published: September 11, 2024 at 03:13 PM UTC
Updated: October 15, 2026 at 01:18 AM UTC
2 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 TM MFP

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: initialise extack before use Fix missing initialisation of extack in flow offload.

Affected

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

Linux Kernel· Linux
95%
5.11 ≤ v < 5.15.1665.16 ≤ v < 6.1.1075.5 ≤ v < 5.10.2256.2 ≤ v < 6.6.486.7 ≤ v < 6.10.76.116.11 rc16.11 rc26.11 rc3c29f74e0df7a02b8303bcdce93a7c0132d62577a
Vendor states this is fixed in 119be227bc04f5035efa64cb823b8a5ca5e2d1c1 (fixed)
Vendor states this is fixed in 356beb911b63a8cff34cb57f755c2a2d2ee9dec7 (fixed)
Vendor states this is fixed in 7eafeec6be68ebd6140a830ce9ae68ad5b67ec78 (fixed)
Vendor states this is fixed in c7b760499f7791352b49b11667ed04b23d7f5b0f (fixed)
Vendor states this is fixed in e5ceff2196dc633c995afb080f6f44a72cff6e1d (fixed)
Vendor states this is fixed in e9767137308daf906496613fd879808a07f006a2 (fixed)
Vendor states this is fixed in 5.10.225 (unaffected)
Vendor states this is fixed in 5.15.166 (unaffected)
Vendor states this is fixed in 5.5 (unaffected)
Vendor states this is fixed in 6.1.107 (unaffected)
Vendor states this is fixed in 6.10.7 (unaffected)
Vendor states this is fixed in 6.11 (unaffected)
Vendor states this is fixed in 6.6.48 (unaffected)
SIMATIC S7-1500 TM MFP· Siemens
60%
All versions

References (9)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/119be227bc04f5035efa64cb823b8a5ca5e2d1c1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/356beb911b63a8cff34cb57f755c2a2d2ee9dec7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/7eafeec6be68ebd6140a830ce9ae68ad5b67ec78
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c7b760499f7791352b49b11667ed04b23d7f5b0f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e5ceff2196dc633c995afb080f6f44a72cff6e1d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e9767137308daf906496613fd879808a07f006a2
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-665

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