Linux Kernel up to 6.10.6 memcg_write_event_control initialization

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5.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.10.6 and classified as problematic. This issue affects the function memcg_write_event_control. Executing a manipulation can lead to initialization. The identification of this vulnerability is CVE-2024-45021. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.10.6 and classified as problematic. This vulnerability affects the function memcg_write_event_control. The manipulation with an unknown input leads to a initialization vulnerability. The CWE definition for the vulnerability is CWE-665. The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: memcg_write_event_control(): fix a user-triggerable oops we are *not* guaranteed that anything past the terminating NUL is mapped (let alone initialized with anything sane).

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2024-45021 since 08/21/2024. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 208099 (Debian dsa-5782 : affs-modules-6.1.0-21-4kc-malta-di - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.19.321, 5.4.283, 5.10.225, 5.15.166, 6.1.107, 6.6.48 or 6.10.7 eliminates this vulnerability. Applying the patch fa5bfdf6cb58/1b37ec85ad95/ad149f558534/0fbe2a72e853/43768fa80fd1/f1aa7c509aa7/21b578f1d599/046667c4d319 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (208099). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.19.320
• 5.4.282
• 5.10.224
• 5.15.165
• 6.1.106
• 6.6.0
• 6.6.1
• 6.6.2
• 6.6.3
• 6.6.4
• 6.6.5
• 6.6.6
• 6.6.7
• 6.6.8
• 6.6.9
• 6.6.10
• 6.6.11
• 6.6.12
• 6.6.13
• 6.6.14
• 6.6.15
• 6.6.16
• 6.6.17
• 6.6.18
• 6.6.19
• 6.6.20
• 6.6.21
• 6.6.22
• 6.6.23
• 6.6.24
• 6.6.25
• 6.6.26
• 6.6.27
• 6.6.28
• 6.6.29
• 6.6.30
• 6.6.31
• 6.6.32
• 6.6.33
• 6.6.34
• 6.6.35
• 6.6.36
• 6.6.37
• 6.6.38
• 6.6.39
• 6.6.40
• 6.6.41
• 6.6.42
• 6.6.43
• 6.6.44
• 6.6.45
• 6.6.46
• 6.6.47
• 6.10.0
• 6.10.1
• 6.10.2
• 6.10.3
• 6.10.4
• 6.10.5
• 6.10.6

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔍
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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Initialization
CWE: CWE-665
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 208099
Nessus Name: Debian dsa-5782 : affs-modules-6.1.0-21-4kc-malta-di - security update

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.19.321/5.4.283/5.10.225/5.15.166/6.1.107/6.6.48/6.10.7
Patch: fa5bfdf6cb58/1b37ec85ad95/ad149f558534/0fbe2a72e853/43768fa80fd1/f1aa7c509aa7/21b578f1d599/046667c4d319

Timelineinfo

08/21/2024 🔍
09/11/2024 +21 days 🔍
09/11/2024 +0 days 🔍
10/05/2024 +24 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-45021 (🔍)
GCVE (CVE): GCVE-0-2024-45021
GCVE (VulDB): GCVE-100-277204

Entryinfo

Created: 09/11/2024 18:20
Updated: 10/05/2024 21:02
Changes: 09/11/2024 18:20 (57), 09/12/2024 15:26 (1), 09/14/2024 14:48 (10), 10/05/2024 21:02 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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