Linux Kernel up to 6.3.1 fake_get_pages memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.3.1. This vulnerability affects the function fake_get_pages. The manipulation leads to memory leak. This vulnerability is listed as CVE-2023-53677. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.3.1. It has been rated as critical. This issue affects the function fake_get_pages. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix memory leaks in i915 selftests This patch fixes memory leaks on error escapes in function fake_get_pages (cherry picked from commit 8bfbdadce85c4c51689da10f39c805a7106d4567)

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2023-53677 since 10/07/2025. Technical details are known, but no exploit is available.

Upgrading to version 6.3.2 eliminates this vulnerability. Applying the patch 596d7308e189a3230bf33d667b64acc73846c2d0/803033c148f754f32da1b93926c49c22731ec485 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 EUVD (EUVD-2025-31958) and CERT Bund (WID-SEC-2025-2229). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Open Source Linux Kernel
  • 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: 5.6
VulDB Meta Temp Score: 5.5

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

NVD Base Score: 5.5
NVD Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.3.2
Patch: 596d7308e189a3230bf33d667b64acc73846c2d0/803033c148f754f32da1b93926c49c22731ec485

Timelineinfo

10/07/2025 Advisory disclosed
10/07/2025 +0 days CVE reserved
10/07/2025 +0 days VulDB entry created
03/01/2026 +145 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53677 (🔒)
GCVE (CVE): GCVE-0-2023-53677
GCVE (VulDB): GCVE-100-327473
EUVD: 🔒
CERT Bund: WID-SEC-2025-2229 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 10/07/2025 19:23
Updated: 03/01/2026 13:14
Changes: 10/07/2025 19:23 (58), 11/23/2025 06:01 (7), 12/26/2025 02:15 (1), 02/03/2026 23:00 (10), 02/04/2026 05:55 (1), 03/01/2026 13:14 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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