cbcvebase.
CVE-2024-50213
published 2024-11-09

CVE-2024-50213: In the Linux kernel, the following vulnerability has been resolved: drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic() modprobe…

PriorityP418medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.20%
10.0th percentile
In the Linux kernel, the following vulnerability has been resolved: drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic() modprobe drm_hdmi_state_helper_test and then rmmod it, the following memory leak occurs. The `mode` allocated in drm_mode_duplicate() called by drm_display_mode_from_cea_vic() is not freed, which cause the memory leak: unreferenced object 0xffffff80ccd18100 (size 128): comm "kunit_try_catch", pid 1851, jiffies 4295059695 hex dump (first 32 bytes): 57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ ..... ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................ backtrace (crc c2f1aa95): [] kmemleak_alloc+0x34/0x40 [] __kmalloc_cache_noprof+0x26c/0x2f4 [] drm_mode_duplicate+0x44/0x19c [] drm_display_mode_from_cea_vic+0x88/0x98 [] 0xffffffedc11ae69c [] kunit_try_run_case+0x13c/0x3ac [] kunit_generic_run_threadfn_adapter+0x80/0xec [] kthread+0x2e8/0x374 [] ret_from_fork+0x10/0x20 ...... Free `mode` by using drm_kunit_display_mode_from_cea_vic() to fix it.

Affected

9 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.11.7-1 (forky)linux 6.11.7-1 (forky)
linuxlinux
linuxlinux>= 4af70f19e55904147c0515ff874204a5306ac807 < 3bc3fae8a0f22e0e713729b50e2111f6a8c647243bc3fae8a0f22e0e713729b50e2111f6a8c64724
linuxlinux>= 4af70f19e55904147c0515ff874204a5306ac807 < add4163aca0d4a86e9fe4aa513865e4237db8aefadd4163aca0d4a86e9fe4aa513865e4237db8aef
linuxlinux_kernel
linuxlinux_kernel>= 0 < 6.11.7-16.11.7-1
linuxlinux_kernel>= 0 < 6.11.7-16.11.7-1
linuxlinux_kernel>= 0 < 6.11.0-18.186.11.0-18.18
linuxlinux_kernel>= 6.11 < 6.11.76.11.7

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
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