Linux Kernel up to 6.2.6 fs file descriptor consumption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.2.6. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component fs. The manipulation leads to file descriptor consumption. This vulnerability is uniquely identified as CVE-2023-53117. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.2.6. This issue affects an unknown function of the component fs. The manipulation with an unknown input leads to a file descriptor consumption vulnerability. Using CWE to declare the problem leads to CWE-769. This entry has been deprecated because it was a duplicate of CWE-774. All content has been transferred to CWE-774. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: fs: prevent out-of-bounds array speculation when closing a file descriptor Google-Bug-Id: 114199369

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53117 since 05/02/2025. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 265424 (SUSE SLES11 Security Update : kernel (SUSE-SU-2025:02844-2)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.310, 4.19.278, 5.4.237, 5.10.175, 5.15.103, 6.1.20 or 6.2.7 eliminates this vulnerability. Applying the patch f31cd5da636682caea424fa1c22679016cbfc16b/3d5d9501b634fd268eb56428cda92cd317752d69/6631c8da02cfad96c53b217cf647b511c7f34faf/a759905de9cd6ec9ca08ceadf0920272772ed830/f8cd8754a03a3748384ee438c572423643c9c315/cec08b7d1ebcd3138d4658b3868ce26aeb1e8e06/eea8e4e056a5ffbeb539a13854c017d5d62c756a/609d54441493c99f21c1823dfd66fa7f4c512ff4 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 (265424) and CERT Bund (WID-SEC-2025-0932). Statistical analysis made it clear that VulDB provides the best quality 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

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: File descriptor consumption
CWE: CWE-769 / CWE-400 / CWE-404
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: 265424
Nessus Name: SUSE SLES11 Security Update : kernel (SUSE-SU-2025:02844-2)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.14.310/4.19.278/5.4.237/5.10.175/5.15.103/6.1.20/6.2.7
Patch: f31cd5da636682caea424fa1c22679016cbfc16b/3d5d9501b634fd268eb56428cda92cd317752d69/6631c8da02cfad96c53b217cf647b511c7f34faf/a759905de9cd6ec9ca08ceadf0920272772ed830/f8cd8754a03a3748384ee438c572423643c9c315/cec08b7d1ebcd3138d4658b3868ce26aeb1e8e06/eea8e4e056a5ffbeb539a13854c017d5d62c756a/609d54441493c99f21c1823dfd66fa7f4c512ff4

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-2023-53117 (🔍)
GCVE (CVE): GCVE-0-2023-53117
GCVE (VulDB): GCVE-100-307307
CERT Bund: WID-SEC-2025-0932 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/02/2025 20:06
Updated: 01/31/2026 16:49
Changes: 05/02/2025 20:06 (58), 08/01/2025 22:57 (7), 09/24/2025 17:36 (2), 11/10/2025 19:53 (12), 01/31/2026 16:49 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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