CVE-2024-50213
drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2024-10-21 CVE Reserved
- 2024-11-09 CVE Published
- 2024-11-09 CVE Updated
- 2024-11-10 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (3)
URL | Tag | Source |
---|---|---|
https://git.kernel.org/stable/c/4af70f19e55904147c0515ff874204a5306ac807 | Vuln. Introduced |
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://git.kernel.org/stable/c/3bc3fae8a0f22e0e713729b50e2111f6a8c64724 | 2024-11-08 | |
https://git.kernel.org/stable/c/add4163aca0d4a86e9fe4aa513865e4237db8aef | 2024-10-31 |
URL | Date | SRC |
---|
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.11 < 6.11.7 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.11 < 6.11.7" | en |
Affected
| ||||||
Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.11 < 6.12-rc6 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.11 < 6.12-rc6" | en |
Affected
|