CVE-2024-50213

Source
https://nvd.nist.gov/vuln/detail/CVE-2024-50213
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2024-50213.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2024-50213
Downstream
Related
Published
2024-11-09T10:14:25Z
Modified
2025-10-09T21:46:56.662736Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()
Details

In the Linux kernel, the following vulnerability has been resolved:

drm/tests: hdmi: Fix memory leaks in drmdisplaymodefromcea_vic()

modprobe drmhdmistatehelpertest and then rmmod it, the following memory leak occurs.

The mode allocated in drmmodeduplicate() called by drmdisplaymodefromcea_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 drmkunitdisplaymodefromceavic() to fix it.

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4af70f19e55904147c0515ff874204a5306ac807
Fixed
3bc3fae8a0f22e0e713729b50e2111f6a8c64724
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4af70f19e55904147c0515ff874204a5306ac807
Fixed
add4163aca0d4a86e9fe4aa513865e4237db8aef

Affected versions

v6.*

v6.10
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.11.1
v6.11.2
v6.11.3
v6.11.4
v6.11.5
v6.11.6
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.11.0
Fixed
6.11.7