Linux Kernel up to 6.12.1 erofs sb_set_blocksize privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.12.1. The affected element is the function sb_set_blocksize of the component erofs. The manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2024-56750. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.12.1. This issue affects the function sb_set_blocksize of the component erofs. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: erofs: fix blksize < PAGE_SIZE for file-backed mounts Adjust sb->s_blocksize{,_bits} directly for file-backed mounts when the fs block size is smaller than PAGE_SIZE. Previously, EROFS used sb_set_blocksize(), which caused a panic if bdev-backed mounts is not used.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2024-56750 since 12/29/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 271932 (Oracle Linux 10 : kernel (ELSA-2025-19106)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.2 eliminates this vulnerability. Applying the patch 679d8537e5748241c71ac97a6b6dc919eae31716/bae0854160939a64a092516ff1b2f221402b843b 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 databases at Tenable (271932) and CERT Bund (WID-SEC-2024-3762). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Dell NetWorker
  • Dell Avamar
  • Red Hat OpenShift
  • IBM QRadar SIEM
  • Dell PowerProtect Data Domain
  • Open Source Linux Kernel
  • IBM DataPower Gateway
  • Dell Secure Connect Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 271932
Nessus Name: Oracle Linux 10 : kernel (ELSA-2025-19106)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.12.2
Patch: 679d8537e5748241c71ac97a6b6dc919eae31716/bae0854160939a64a092516ff1b2f221402b843b

Timelineinfo

12/29/2024 🔍
12/29/2024 +0 days 🔍
12/29/2024 +0 days 🔍
02/14/2026 +412 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-56750 (🔍)
GCVE (CVE): GCVE-0-2024-56750
GCVE (VulDB): GCVE-100-289757
CERT Bund: WID-SEC-2024-3762 - Linux Kernel: Mehrere Schwachstellen erm&ouml;glichen Denial of Service

Entryinfo

Created: 12/29/2024 13:17
Updated: 02/14/2026 22:00
Changes: 12/29/2024 13:17 (57), 10/30/2025 13:40 (2), 02/14/2026 22:00 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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