Linux Kernel up to 6.4.6 drm_client_modeset_probe memory leak

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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.4.250/5.10.187/5.15.122/6.1.41/6.4.6. Impacted is the function drm_client_modeset_probe. The manipulation leads to memory leak. This vulnerability is referenced as CVE-2023-53288. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.4.250/5.10.187/5.15.122/6.1.41/6.4.6. It has been rated as critical. This issue affects the function drm_client_modeset_probe. 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/client: Fix memory leak in drm_client_modeset_probe When a new mode is set to modeset->mode, the previous mode should be freed. This fixes the following kmemleak report: drm_mode_duplicate+0x45/0x220 [drm] drm_client_modeset_probe+0x944/0xf50 [drm] __drm_fb_helper_initial_config_and_unlock+0xb4/0x2c0 [drm_kms_helper] drm_fbdev_client_hotplug+0x2bc/0x4d0 [drm_kms_helper] drm_client_register+0x169/0x240 [drm] ast_pci_probe+0x142/0x190 [ast] local_pci_probe+0xdc/0x180 work_for_cpu_fn+0x4e/0xa0 process_one_work+0x8b7/0x1540 worker_thread+0x70a/0xed0 kthread+0x29f/0x340 ret_from_fork+0x1f/0x30

It is possible to read the advisory at git.kernel.org. The identification of this vulnerability is CVE-2023-53288 since 09/16/2025. The exploitation is known to be easy. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 270831 (SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03614-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.251, 5.10.188, 5.15.123, 6.1.42 or 6.4.7 eliminates this vulnerability. Applying the patch 5d580017bdb9b3e930b6009e467e5e1589f8ca8a/5f2a12f64347f535c6ef55fa7eb36a2874d69b59/1369d0c586ad44f2d18fe2f4cbc5bcb24132fa71/917bef37cfaca07781c6fbaf6cd9404d27e64e6f/8108a494639e56aea77e7196a1d6ea89792b9d4a/2329cc7a101af1a844fbf706c0724c0baea38365 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 (270831) and CERT Bund (WID-SEC-2025-2053). 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
  • IBM QRadar SIEM
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • Dell Secure Connect Gateway
  • F5 F5OS

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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Nessus ID: 270831
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2025:03614-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 5.4.251/5.10.188/5.15.123/6.1.42/6.4.7
Patch: 5d580017bdb9b3e930b6009e467e5e1589f8ca8a/5f2a12f64347f535c6ef55fa7eb36a2874d69b59/1369d0c586ad44f2d18fe2f4cbc5bcb24132fa71/917bef37cfaca07781c6fbaf6cd9404d27e64e6f/8108a494639e56aea77e7196a1d6ea89792b9d4a/2329cc7a101af1a844fbf706c0724c0baea38365

Timelineinfo

09/16/2025 Advisory disclosed
09/16/2025 +0 days CVE reserved
09/16/2025 +0 days VulDB entry created
01/11/2026 +117 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53288 (🔒)
GCVE (CVE): GCVE-0-2023-53288
GCVE (VulDB): GCVE-100-324395
CERT Bund: WID-SEC-2025-2053 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 09/16/2025 14:12
Updated: 01/11/2026 10:52
Changes: 09/16/2025 14:12 (58), 10/22/2025 14:26 (2), 12/04/2025 01:42 (10), 01/02/2026 12:32 (7), 01/11/2026 10:52 (1)
Complete: 🔍
Cache ID: 216::103

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

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