Linux Kernel block blkdev_put privilege escalation

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel. Affected is the function blkdev_put of the component block. The manipulation leads to an unknown weakness. This vulnerability is referenced as CVE-2023-53130. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel (affected version not known). It has been rated as problematic. This issue affects the function blkdev_put of the component block. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: block: fix wrong mode for blkdev_put() from disk_scan_partitions() If disk_scan_partitions() is called with 'FMODE_EXCL', blkdev_get_by_dev() will be called without 'FMODE_EXCL', however, follow blkdev_put() is still called with 'FMODE_EXCL', which will cause 'bd_holders' counter to leak. Fix the problem by using the right mode for blkdev_put().

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53130 since 05/02/2025. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch e5febcfbae9396fb3f064a2a14368c3d77d73ad4/d81c6c98d45311a7f3abff4bd5e1eb8e5089972e/428913bce1e67ccb4dae317fd0332545bf8c9233 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-0932). Be aware that VulDB is the high quality source for vulnerability data.

Affected

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

Productinfo

Type

Vendor

Name

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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
Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: e5febcfbae9396fb3f064a2a14368c3d77d73ad4/d81c6c98d45311a7f3abff4bd5e1eb8e5089972e/428913bce1e67ccb4dae317fd0332545bf8c9233

Timelineinfo

05/02/2025 🔍
05/02/2025 +0 days 🔍
05/02/2025 +0 days 🔍
01/31/2026 +274 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53130 (🔍)
GCVE (CVE): GCVE-0-2023-53130
GCVE (VulDB): GCVE-100-307295
CERT Bund: WID-SEC-2025-0932 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/02/2025 20:04
Updated: 01/31/2026 16:49
Changes: 05/02/2025 20:04 (56), 08/02/2025 03:15 (7), 01/31/2026 16:49 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to know what is going to be exploited?

We predict KEV entries!