CVE-2024-50214

In the Linux kernel, the following vulnerability has been resolved: drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic() modprobe drm_connector_test and then rmmod drm_connector_test, 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 0xffffff80cb0ee400 (size 128): comm "kunit_try_catch", pid 1948, jiffies 4294950339 hex dump (first 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e........... backtrace (crc 90e9585c): [<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40 [<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4 [<00000000c2062161>] drm_mode_duplicate+0x44/0x19c [<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98 [<00000000d8f2c8b4>] 0xffffffdc982a4868 [<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac [<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec [<000000006ea56ca0>] kthread+0x2e8/0x374 [<000000000676063f>] ret_from_fork+0x10/0x20 ...... Free `mode` by using drm_kunit_display_mode_from_cea_vic() to fix it.
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*

History

13 Nov 2024, 17:25

Type Values Removed Values Added
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
First Time Linux linux Kernel
Linux
CWE CWE-401
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
References () https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491 - () https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491 - Patch
References () https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb - () https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb - Patch

12 Nov 2024, 13:56

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/connector: hdmi: Se corrige la pérdida de memoria en drm_display_mode_from_cea_vic() modprobe drm_connector_test y luego rmmod drm_connector_test, se produce la siguiente pérdida de memoria. El `modo` asignado en drm_mode_duplicate() llamado por drm_display_mode_from_cea_vic() no se libera, lo que causa la pérdida de memoria: objeto sin referencia 0xffffff80cb0ee400 (tamaño 128): comm "kunit_try_catch", pid 1948, jiffies 4294950339 volcado hexadecimal (primeros 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 &lt;.Ae.......... seguimiento inverso (crc 90e9585c): [&lt;00000000ec42e3d7&gt;] kmemleak_alloc+0x34/0x40 [&lt;00000000d0ef055a&gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [&lt;00000000c2062161&gt;] drm_mode_duplicate+0x44/0x19c [&lt;00000000f96c74aa&gt;] drm_display_mode_from_cea_vic+0x88/0x98 [&lt;00000000d8f2c8b4&gt;] 0xffffffdc982a4868 [&lt;000000005d164dbc&gt;] kunit_try_run_case+0x13c/0x3ac [&lt;000000006fb23398&gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [&lt;000000006ea56ca0&gt;] kthread+0x2e8/0x374 [&lt;000000000676063f&gt;] ret_from_fork+0x10/0x20 ...... Libere el `modo` usando drm_kunit_display_mode_from_cea_vic() para solucionarlo.

09 Nov 2024, 11:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-11-09 11:15

Updated : 2024-11-13 17:25


NVD link : CVE-2024-50214

Mitre link : CVE-2024-50214

CVE.ORG link : CVE-2024-50214


JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-401

Missing Release of Memory after Effective Lifetime