CVE-2022-50200: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: selinux: Add boundary check in put_entry() Just like next_entry(), boundary check is necessary to prevent memory out-of-bound access.

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CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
linux	linux_kernel	2.6.37 — 4.14.291
linux	linux_kernel	4.15 — 4.19.256
linux	linux_kernel	4.20 — 5.4.211
linux	linux_kernel	5.5 — 5.10.137
linux	linux_kernel	5.11 — 5.15.61
linux	linux_kernel	5.16 — 5.18.18
linux	linux_kernel	5.19 — 5.19.2

References

Advisories & Patches

https://git.kernel.org/stable/c/15ec76fb29be31df2bccb30fc09875274cba2776 https://git.kernel.org/stable/c/2dabe6a872a5744865372eb30ea51e8ccd21305a https://git.kernel.org/stable/c/477722f31ad73aa779154d1d7e00825538389f76 https://git.kernel.org/stable/c/7363a69d8ca8f0086f8e1196c8ddaf0e168614b1 https://git.kernel.org/stable/c/90bdf50ae70c5571a277b5601e4f5df210831e0a https://git.kernel.org/stable/c/9605f50157cae00eb299e1189a6d708c84935ad8 https://git.kernel.org/stable/c/adbfdaacde18faf6cd4e490764045375266b3fbd https://git.kernel.org/stable/c/dedd558d9765b72c66e5a53948e9f5abc3ece1f6

Frequently Asked Questions

What is CVE-2022-50200? +

In the Linux kernel, the following vulnerability has been resolved: selinux: Add boundary check in put_entry() Just like next_entry(), boundary check is necessary to prevent memory out-of-bound access. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-50200? +

CVE-2022-50200 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2022-50200? +

CVE-2022-50200 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-2022-50200? +

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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