Not yet scoredPublished Dec 24, 2025

CVE-2023-54091drm/client: Fix memory leak in drm_client_target_cloned

Updated under an hour ago (Oct 26, 2026, 11:50 PM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drm_client_target_cloned dmt_mode is allocated and never freed in this function. It was found with the ast driver, but most drivers using generic fbdev setup are probably affected. This fixes the following kmemleak report: backtrace: [<00000000b391296d>] drm_mode_duplicate+0x45/0x220 [drm] [<00000000e45bb5b3>] drm_client_target_cloned.constprop.0+0x27b/0x480 [drm] [<00000000ed2d3a37>] drm_client_modeset_probe+0x6bd/0xf50 [drm] [<0000000010e5cc9d>] __drm_fb_helper_initial_config_and_unlock+0xb4/0x2c0 [drm_kms_helper] [<00000000909f82ca>] drm_fbdev_client_hotplug+0x2bc/0x4d0 [drm_kms_helper] [<00000000063a69aa>] drm_client_register+0x169/0x240 [drm] [<00000000a8c61525>] ast_pci_probe+0x142/0x190 [ast] [<00000000987f19bb>] local_pci_probe+0xdc/0x180 [<000000004fca231b>] work_for_cpu_fn+0x4e/0xa0 [<0000000000b85301>] process_one_work+0x8b7/0x1540 [<000000003375b17c>] worker_thread+0x70a/0xed0 [<00000000b0d43cd9>] kthread+0x29f/0x340 [<000000008d770833>] ret_from_fork+0x1f/0x30 unreferenced object 0xff11000333089a00 (size 128):

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Deferred
Record last updated: May 11, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before d3009700f48602b557eade1f22c98b6bc20247e8; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before a4b978249e8fa94956fce8b70a709f7797716f62; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before 52daf6ba2e0d201640cb1ce42049c5c4426b4d6e; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before 105275879a80503686a8108af2f5c579a1c5aef4; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before a85e23a1ef63e45a18f0a30d7816fcb4a865ca95; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before b5359d7a5087ac398fc429da6833133b4784c268; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before 4b596a6e2d2e0f9c14e4122506dd715f43fcd727; from 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a before c2a88e8bdf5f6239948d75283d0ae7e0c7945b03	CNA record

References

References

https://git.kernel.org/stable/c/d3009700f48602b557eade1f22c98b6bc20247e8
https://git.kernel.org/stable/c/a4b978249e8fa94956fce8b70a709f7797716f62
https://git.kernel.org/stable/c/52daf6ba2e0d201640cb1ce42049c5c4426b4d6e
https://git.kernel.org/stable/c/105275879a80503686a8108af2f5c579a1c5aef4
https://git.kernel.org/stable/c/a85e23a1ef63e45a18f0a30d7816fcb4a865ca95
https://git.kernel.org/stable/c/b5359d7a5087ac398fc429da6833133b4784c268
https://git.kernel.org/stable/c/4b596a6e2d2e0f9c14e4122506dd715f43fcd727
https://git.kernel.org/stable/c/c2a88e8bdf5f6239948d75283d0ae7e0c7945b03

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.