VDB-254638 · CVE-2023-52461 · GCVE-0-2023-52461

Linux Kernel up to 6.7.1 sched drm_sched_entity_init out-of-bounds

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4.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.7.1. It has been declared as problematic. Affected is the function drm_sched_entity_init of the component sched. Executing a manipulation can lead to out-of-bounds. This vulnerability appears as CVE-2023-52461. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.7.1 (Operating System). This vulnerability affects the function drm_sched_entity_init of the component sched. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix bounds limiting when given a malformed entity If we're given a malformed entity in drm_sched_entity_init()--shouldn't happen, but we verify--with out-of-bounds priority value, we set it to an allowed value. Fix the expression which sets this limit.

The weakness was presented 02/23/2024. The advisory is available at git.kernel.org. This vulnerability was named CVE-2023-52461 since 02/20/2024. Technical details are known, but there is no available exploit.

Upgrading to version 6.7.2 or 6.8-rc1 eliminates this vulnerability. Applying the patch 1470d173925d/2bbe6ab2be53 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.

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Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA 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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.7.2/6.8-rc1
Patch: 1470d173925d/2bbe6ab2be53

Timelineinfo

02/20/2024 🔍
02/23/2024 +3 days 🔍
02/23/2024 +0 days 🔍
11/07/2024 +258 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-52461 (🔍)
GCVE (CVE): GCVE-0-2023-52461
GCVE (VulDB): GCVE-100-254638

Entryinfo

Created: 02/23/2024 16:21
Updated: 11/07/2024 23:07
Changes: 02/23/2024 16:21 (44), 11/07/2024 23:07 (27)
Complete: 🔍
Cache ID: 216::103