Linux Kernel up to 5.10.194/5.15.131/6.1.52/6.4.15/6.5.2 crypto_drop_spawn 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, which was classified as critical, has been found in Linux Kernel up to 5.10.194/5.15.131/6.1.52/6.4.15/6.5.2. This vulnerability affects the function crypto_drop_spawn. The manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2023-53799. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.10.194/5.15.131/6.1.52/6.4.15/6.5.2. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: crypto: api - Use work queue in crypto_destroy_instance The function crypto_drop_spawn expects to be called in process context. However, when an instance is unregistered while it still has active users, the last user may cause the instance to be freed in atomic context. Fix this by delaying the freeing to a work queue.

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53799 since 12/09/2025. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/29/2026).

The vulnerability scanner Nessus provides a plugin with the ID 302405 (EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1313)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.10.195, 5.15.132, 6.1.53, 6.4.16 or 6.5.3 eliminates this vulnerability. Applying the patch 625bf86bf53eb7a8ee60fb9dc45b272b77e5ce1c/048545d9fc6424b0a11e7e8771225bb9afe09422/c4cb61c5f976183c07d16b0071f0c60bc212ef1f/867a146690960ac7b89ce40f4ee60dd32eeb1682/c0dbcebc7f390ec7dbe010dcc22c60f0c6bfc26d/9ae4577bc077a7e32c3c7d442c95bc76865c0f17 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 (302405) and CERT Bund (WID-SEC-2025-2765). 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
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux

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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💳💳💳💳💳💳
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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: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 302405
Nessus Name: EulerOS 2.0 SP10 : kernel (EulerOS-SA-2026-1313)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.10.195/5.15.132/6.1.53/6.4.16/6.5.3
Patch: 625bf86bf53eb7a8ee60fb9dc45b272b77e5ce1c/048545d9fc6424b0a11e7e8771225bb9afe09422/c4cb61c5f976183c07d16b0071f0c60bc212ef1f/867a146690960ac7b89ce40f4ee60dd32eeb1682/c0dbcebc7f390ec7dbe010dcc22c60f0c6bfc26d/9ae4577bc077a7e32c3c7d442c95bc76865c0f17

Timelineinfo

12/09/2025 Advisory disclosed
12/09/2025 +0 days CVE reserved
12/09/2025 +0 days VulDB entry created
03/29/2026 +110 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53799 (🔒)
GCVE (CVE): GCVE-0-2023-53799
GCVE (VulDB): GCVE-100-335063
CERT Bund: WID-SEC-2025-2765 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/09/2025 11:19
Updated: 03/29/2026 11:55
Changes: 12/09/2025 11:19 (57), 03/16/2026 21:17 (2), 03/29/2026 11:55 (7)
Complete: 🔍
Cache ID: 216:884:103

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