CVE-2022-49278: linux kernel Integer Underflow — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: remoteproc: Fix count check in rproc_coredump_write() Check count for 0, to avoid a potential underflow. Make the check the same as the one in rproc_recovery_write().

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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:N/I:H/A:H

Weakness Type (CWE)

CWE-191 CWE-191

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.9 — 5.10.110
linux	linux_kernel	5.11 — 5.15.33
linux	linux_kernel	5.16 — 5.16.19
linux	linux_kernel	5.17 — 5.17.2

References

Advisories & Patches

https://git.kernel.org/stable/c/11572dad9fbadbd9269a2550f7e236b5b8c2d80c https://git.kernel.org/stable/c/34afac3c75fa08d6fabbab4c93f0a90618afaaa6 https://git.kernel.org/stable/c/a8c3e53517985d69040a1b36a269e85f99cf0cea https://git.kernel.org/stable/c/b97b305656a7013690e7b6e310f0e827e0bbff90 https://git.kernel.org/stable/c/f89672cc3681952f2d06314981a6b45f8b0045d1

Frequently Asked Questions

What is CVE-2022-49278? +

In the Linux kernel, the following vulnerability has been resolved: remoteproc: Fix count check in rproc_coredump_write() Check count for 0, to avoid a potential underflow. Make the check the same as the one in rproc_recovery_write(). It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2022-49278? +

CVE-2022-49278 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-2022-49278? +

CVE-2022-49278 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-2022-49278? +

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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