CVE-2022-50558 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference6 documents5 sources
Severity
4.1MEDIUM
No vector
EPSS
0.0%
top 93.65%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 22

Description

In the Linux kernel, the following vulnerability has been resolved: regmap-irq: Use the new num_config_regs property in regmap_add_irq_chip_fwnode Commit faa87ce9196d ("regmap-irq: Introduce config registers for irq types") added the num_config_regs, then commit 9edd4f5aee84 ("regmap-irq: Deprecate type registers and virtual registers") suggested to replace num_type_reg with it. However, regmap_add_irq_chip_fwnode wasn't modified to use the new property. Later on, commit 255a03bb1bb3 ("ASoC: w…

Affected Packages4 packages

▶Linuxlinux/linux_kernel6.0.0 — 6.0.16+1
▶Debianlinux/linux_kernel< 6.1.4-1+2
▶CVEListV5linux/linuxfaa87ce9196dbb074d75bd4aecb8bacf18f19b4e — 57bb34330c0fc70bb4ab96399a3c1b80e73e9d49+3
▶debiandebian/linux< linux 6.1.4-1 (bookworm)

🔴Vulnerability Details

3
OSV
regmap-irq: Use the new num_config_regs property in regmap_add_irq_chip_fwnode↗2025-10-22
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OSV
CVE-2022-50558: In the Linux kernel, the following vulnerability has been resolved: regmap-irq: Use the new num_config_regs property in regmap_add_irq_chip_fwnode Com↗2025-10-22
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GHSA
GHSA-w4hx-49mv-6qvv: In the Linux kernel, the following vulnerability has been resolved: regmap-irq: Use the new num_config_regs property in regmap_add_irq_chip_fwnode C↗2025-10-22
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📋Vendor Advisories

2
Red Hat
kernel: regmap-irq: Use the new num_config_regs property in regmap_add_irq_chip_fwnode↗2025-10-22
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Debian
CVE-2022-50558: linux - In the Linux kernel, the following vulnerability has been resolved: regmap-irq:...↗2022
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