CVE-2023-54091
drm/client: Fix memory leak in drm_client_target_cloned
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
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):
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Deferred.
- EPSS (exploitation in 30 days)
- 0.26% · top 83% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < d3009700f48602b557eade1f22c98b6bc20247e8
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < a4b978249e8fa94956fce8b70a709f7797716f62
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < 52daf6ba2e0d201640cb1ce42049c5c4426b4d6e
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < 105275879a80503686a8108af2f5c579a1c5aef4
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < a85e23a1ef63e45a18f0a30d7816fcb4a865ca95
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < b5359d7a5087ac398fc429da6833133b4784c268
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < 4b596a6e2d2e0f9c14e4122506dd715f43fcd727
- affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a – < c2a88e8bdf5f6239948d75283d0ae7e0c7945b03
- affected 2.6.35
- unaffected < 2.6.35
- unaffected 4.14.322 – ≤ 4.14.*
- unaffected 4.19.291 – ≤ 4.19.*
- unaffected 5.4.251 – ≤ 5.4.*
- unaffected 5.10.188 – ≤ 5.10.*
- unaffected 5.15.123 – ≤ 5.15.*
- unaffected 6.1.42 – ≤ 6.1.*
- unaffected 6.4.7 – ≤ 6.4.*
- unaffected 6.5 – ≤ *
References (8)
- https://git.kernel.org/stable/c/d3009700f48602b557eade1f22c98b6bc20247e8 (opens in a new tab)
- https://git.kernel.org/stable/c/a4b978249e8fa94956fce8b70a709f7797716f62 (opens in a new tab)
- https://git.kernel.org/stable/c/52daf6ba2e0d201640cb1ce42049c5c4426b4d6e (opens in a new tab)
- https://git.kernel.org/stable/c/105275879a80503686a8108af2f5c579a1c5aef4 (opens in a new tab)
- https://git.kernel.org/stable/c/a85e23a1ef63e45a18f0a30d7816fcb4a865ca95 (opens in a new tab)
- https://git.kernel.org/stable/c/b5359d7a5087ac398fc429da6833133b4784c268 (opens in a new tab)
- https://git.kernel.org/stable/c/4b596a6e2d2e0f9c14e4122506dd715f43fcd727 (opens in a new tab)
- https://git.kernel.org/stable/c/c2a88e8bdf5f6239948d75283d0ae7e0c7945b03 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-54091)Record last updated .