CVE-2022-50030: linux kernel Memory Corruption — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input Malformed user input to debugfs results in buffer overflow crashes. Adapt input string lengths to fit within internal buffers, leaving space for NULL terminators.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 5.4.211
linux	linux_kernel	5.5 — 5.10.138
linux	linux_kernel	5.11 — 5.15.63
linux	linux_kernel	5.16 — 5.19.4

References

Advisories & Patches

https://git.kernel.org/stable/c/2d544e9d19c109dfe34b3dc1253a8b2971abe060 https://git.kernel.org/stable/c/927907f1cbb3408cadde637fccfc17bb6b10a87d https://git.kernel.org/stable/c/b92506dc51f81741eb26609175ac206c20f06e0a https://git.kernel.org/stable/c/c29a4baaad38a332c0ae480cf6d6c5bf75ac1828 https://git.kernel.org/stable/c/f8191d40aa612981ce897e66cda6a88db8df17bb

Frequently Asked Questions

What is CVE-2022-50030? +

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent buffer overflow crashes in debugfs with malformed user input Malformed user input to debugfs results in buffer overflow crashes. Adapt input string lengths to fit within internal buffers, leaving space for NULL terminators. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-50030? +

CVE-2022-50030 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2022-50030? +

CVE-2022-50030 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-50030? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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