CVE-2022-50508: linux kernel Out-of-bounds Read — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt76x0: fix oob access in mt76x0_phy_get_target_power After 'commit ba45841ca5eb ("wifi: mt76: mt76x02: simplify struct mt76x02_rate_power")', mt76x02 relies on ht[0-7] rate_power data for vht mcs{0,7}, while it uses vth[0-1] rate_power for vht mcs {8,9}. Fix a possible out-of-bound access in mt76x0_phy_get_target_power routine.

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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	6.2 — 6.2.3

References

Advisories & Patches

https://git.kernel.org/stable/c/6e1abc51c945663bddebfa1beb9590ff5b250eb7 https://git.kernel.org/stable/c/bf425c5d7ef6fb4083c1e0d46440f886127b5ee5

Frequently Asked Questions

What is CVE-2022-50508? +

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt76x0: fix oob access in mt76x0_phy_get_target_power After 'commit ba45841ca5eb ("wifi: mt76: mt76x02: simplify struct mt76x02_rate_power")', mt76x02 relies on ht[0-7] rate_power data for vht mcs{0,7}, while it uses vth[0-1] rate_power for vht mcs {8,9}. Fix a possible out-of-bound access in mt76x0_phy_get_target_power routine. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-50508? +

CVE-2022-50508 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-2022-50508? +

CVE-2022-50508 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-2022-50508? +

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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