# CVE-2024-50213: linux: In the Linux kernel, the following vulnerability has been resolved:  drm/tests: hdmi: Fix memory leaks in drm_display...

CVE-2024-50213 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50213, released November 9, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-50213
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 9, 2024

## Description

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): 	    [<000000000f10b11b>] kmemleak_alloc+0x34/0x40 	    [<000000001cd4cf73>] __kmalloc_cache_noprof+0x26c/0x2f4 	    [<00000000f1f3cffa>] drm_mode_duplicate+0x44/0x19c 	    [<000000008cbeef13>] drm_display_mode_from_cea_vic+0x88/0x98 	    [<0000000019daaacf>] 0xffffffedc11ae69c 	    [<000000000aad0f85>] kunit_try_run_case+0x13c/0x3ac 	    [<00000000a9210bac>] kunit_generic_run_threadfn_adapter+0x80/0xec 	    [<000000000a0b2e9e>] kthread+0x2e8/0x374 	    [<00000000bd668858>] ret_from_fork+0x10/0x20 	......  Free `mode` by using drm_kunit_display_mode_from_cea_vic() to fix it.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.11.7-1 | [DEBIAN-CVE-2024-50213](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50213.md) | Nov 9, 2024 |
| Linux | linux Debian 14 | 6.11.7-1 | [DEBIAN-CVE-2024-50213](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50213.md) | Nov 9, 2024 |

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