CVE-2022-49035: linux kernel DoS — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE I expect that the hardware will have limited this to 16, but just in case it hasn't, check for this corner case.

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CVSS v3.1 Score

5.5

MEDIUM

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

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
linux	linux_kernel	< 4.9.333
linux	linux_kernel	4.10 — 4.14.299
linux	linux_kernel	4.15 — 4.19.265
linux	linux_kernel	4.20 — 5.4.224
linux	linux_kernel	5.5 — 5.10.154
linux	linux_kernel	5.11 — 5.15.78
linux	linux_kernel	5.16 — 6.0.8
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/1609231f86760c1f6a429de7913dd795b9faa08c https://git.kernel.org/stable/c/2654e785bd4aa2439cdffbe7dc1ea30a0eddbfe4 https://git.kernel.org/stable/c/4a449430ecfb199b99ba58af63c467eb53500b39 https://git.kernel.org/stable/c/7ccb40f26cbefa1c6dfd3418bea54c9518cdbd8a https://git.kernel.org/stable/c/93f65ce036863893c164ca410938e0968964b26c https://git.kernel.org/stable/c/a2728bf9b6c65e46468c763e3dab7e04839d4e11 https://git.kernel.org/stable/c/cbfa26936f318b16ccf9ca31b8e8b30c0dc087bd https://git.kernel.org/stable/c/fc0f76dd5f116fa9291327024dda392f8b4e849c

Frequently Asked Questions

What is CVE-2022-49035? +

In the Linux kernel, the following vulnerability has been resolved: media: s5p_cec: limit msg.len to CEC_MAX_MSG_SIZE I expect that the hardware will have limited this to 16, but just in case it hasn't, check for this corner case. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49035? +

CVE-2022-49035 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-49035? +

CVE-2022-49035 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-2022-49035? +

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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CVE-2022-49035