Linux Kernel up to 6.3.1 kmem_cache_destroy privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.3.1. This impacts the function kmem_cache_destroy. Executing a manipulation can lead to an unknown weakness. This vulnerability is registered as CVE-2023-53604. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.3.1. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: dm integrity: call kmem_cache_destroy() in dm_integrity_init() error path Otherwise the journal_io_cache will leak if dm_register_target() fails.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-53604 since 10/04/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 284771 (EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1050)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.315, 4.19.283, 5.4.243, 5.10.180, 5.15.111, 6.1.28, 6.2.15 or 6.3.2 eliminates this vulnerability. Applying the patch ff4d6b5b38429a7731e5593680d2138bf74dd546/ca8b634fdf07dee3f6dfde57079c4511480b525e/6d126899b0747305c9d39a0bcf87e0df9c3f555b/44f29e93a55b544dc961b6f8b4e93abaeaafb9ee/a5d8c6bf58e5b2e70fbc15f3b08dfc1ba6f269ac/3877b5c1509b16eeb1f275228fd91789cd88cf17/c8c9c50268729bf35f6c9bb1205f490db920454e/e09a592fdd6c716506774bdbebb5f6c537b47767/6b79a428c02769f2a11f8ae76bf866226d134887 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 (284771), EUVD (EUVD-2023-60004) and CERT Bund (WID-SEC-2025-2194). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • NetApp ActiveIQ Unified Manager
  • IBM QRadar SIEM
  • Dell NetWorker

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.5

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

NVD Base Score: 7.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
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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Nessus ID: 284771
Nessus Name: EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1050)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.315/4.19.283/5.4.243/5.10.180/5.15.111/6.1.28/6.2.15/6.3.2
Patch: ff4d6b5b38429a7731e5593680d2138bf74dd546/ca8b634fdf07dee3f6dfde57079c4511480b525e/6d126899b0747305c9d39a0bcf87e0df9c3f555b/44f29e93a55b544dc961b6f8b4e93abaeaafb9ee/a5d8c6bf58e5b2e70fbc15f3b08dfc1ba6f269ac/3877b5c1509b16eeb1f275228fd91789cd88cf17/c8c9c50268729bf35f6c9bb1205f490db920454e/e09a592fdd6c716506774bdbebb5f6c537b47767/6b79a428c02769f2a11f8ae76bf866226d134887

Timelineinfo

10/04/2025 Advisory disclosed
10/04/2025 +0 days CVE reserved
10/04/2025 +0 days VulDB entry created
04/28/2026 +206 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53604 (🔒)
GCVE (CVE): GCVE-0-2023-53604
GCVE (VulDB): GCVE-100-327160
EUVD: 🔒
CERT Bund: WID-SEC-2025-2194 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 10/04/2025 20:26
Updated: 04/28/2026 03:31
Changes: 10/04/2025 20:26 (57), 10/04/2025 21:45 (1), 11/24/2025 01:45 (7), 12/26/2025 21:57 (1), 01/16/2026 02:21 (2), 02/06/2026 15:08 (11), 04/28/2026 03:31 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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