CVE-2022-49757: linux kernel — Fix

Description

In the Linux kernel, the following vulnerability has been resolved: EDAC/highbank: Fix memory leak in highbank_mc_probe() When devres_open_group() fails, it returns -ENOMEM without freeing memory allocated by edac_mc_alloc(). Call edac_mc_free() on the error handling path to avoid a memory leak. [ bp: Massage commit message. ]

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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-401 CWE-401

Affected Products

Vendor	Product	Versions
linux	linux_kernel	3.6 — 4.14.305
linux	linux_kernel	4.15 — 4.19.272
linux	linux_kernel	4.20 — 5.4.231
linux	linux_kernel	5.5 — 5.10.166
linux	linux_kernel	5.11 — 5.15.91
linux	linux_kernel	5.16 — 6.1.9
linux	linux_kernel	All
linux	linux_kernel	All
linux	linux_kernel	All

References

Advisories & Patches

https://git.kernel.org/stable/c/0db40e23b56d217eebd385bebb64057ef764b2c7 https://git.kernel.org/stable/c/329fbd260352a7b9a83781d8b8bd96f95844a51f https://git.kernel.org/stable/c/8d23f5d25264beb223ee79cdb530b88c237719fc https://git.kernel.org/stable/c/b7863ef8a8f0fee96b4eb41211f4918c0e047253 https://git.kernel.org/stable/c/caffa7fed1397d1395052272c93900176de86557 https://git.kernel.org/stable/c/e7a293658c20a7945014570e1921bf7d25d68a36 https://git.kernel.org/stable/c/f1b3e23ed8df87d779ee86ac37f379e79a24169a

Frequently Asked Questions

What is CVE-2022-49757? +

In the Linux kernel, the following vulnerability has been resolved: EDAC/highbank: Fix memory leak in highbank_mc_probe() When devres_open_group() fails, it returns -ENOMEM without freeing memory allocated by edac_mc_alloc(). Call edac_mc_free() on the error handling path to avoid a memory leak. [ bp: Massage commit message. ] It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49757? +

CVE-2022-49757 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-2022-49757? +

CVE-2022-49757 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-2022-49757? +

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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