CVE-2022-50439 — Use of Uninitialized Resource in Linux

CWE-908 — Use of Uninitialized Resource5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready If the device does not come straight from reset, we might receive an IRQ before we are ready to handle it. [ 2.334737] Unable to handle kernel read from unreadable memory at virtual address 00000000000001e4 [ 2.522601] Call trace: [ 2.525040] regmap_read+0x1c/0x80 [ 2.528434] mt8173_afe_irq_handler+0x40/0xf0 ... [ 2.598921] start_kernel+0x338/0x42c

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel4.2 — 5.4.229+4
▶Debianlinux/linux_kernel< 5.10.178-1+3
▶CVEListV5linux/linuxee0bcaff109f36d582df9851f204c9a5eb79c028 — 190685ff4ee03eef8f12c71d8f626e414fa078a9+6
▶debiandebian/linux< linux 6.1.4-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2022-50439: In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready If the device does not come↗2025-10-01
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GHSA
GHSA-xx9v-q9cc-wq54: In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready If the device does not co↗2025-10-01
▶

📋Vendor Advisories

2
Red Hat
kernel: ASoC: mediatek: mt8173: Enable IRQ when pdata is ready↗2025-10-01
▶
Debian
CVE-2022-50439: linux - In the Linux kernel, the following vulnerability has been resolved: ASoC: media...↗2022
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CVE-2022-50439 — Use of Uninitialized Resource in Linux | cvebase