drm/client: Fix memory leak in drm_client_target_cloned (Linux Linux)

CVE-2023-54091
Not available

At a glance

Source
NVD
EPSS
EPSS 0.26 % · percentile 17 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Deferred

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):

References

European references

CERT-FR advisories

Affected products

ProductVersions
Linux · Linuxaffected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a < d3009700f48602b557eade1f22c98b6bc20247e8 ; affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a < a4b978249e8fa94956fce8b70a709f7797716f62 ; affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a < 52daf6ba2e0d201640cb1ce42049c5c4426b4d6e ; affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a < 105275879a80503686a8108af2f5c579a1c5aef4 ; affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a < a85e23a1ef63e45a18f0a30d7816fcb4a865ca95 ; affected 1d42bbc8f7f9ce4d852692ef7aa336b133b0830a < b5359d7a5087ac398fc429da6833133b4784c268
Linux · Linuxaffected 2.6.35 ; unaffected 0 < 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.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD