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CVE-2022-50517

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: mm/huge_memory: do not clobber swp_entry_t during THP split The following has been observed when running stressng mmap since co…

Published Oct 7, 2025EPSS 0.14%

Overview

CVE-2022-50517 is a high-severity vulnerability. It was published on October 7, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

mm/huge_memory: do not clobber swp_entry_t during THP split

The following has been observed when running stressng mmap since commit

b653db77350c ("mm: Clear page->private when splitting or migrating a page")

watchdog: BUG: soft lockup - CPU#75 stuck for 26s! [stress-ng:9546]

CPU: 75 PID: 9546 Comm: stress-ng Tainted: G E 6.0.0-revert-b653db77-fix+ #29 0357d79b60fb09775f678e4f3f64ef0579ad1374

Hardware name: SGI.COM C2112-4GP3/X10DRT-P-Series, BIOS 2.0a 05/09/2016

RIP: 0010:xas_descend+0x28/0x80

Code: cc cc 0f b6 0e 48 8b 57 08 48 d3 ea 83 e2 3f 89 d0 48 83 c0 04 48 8b 44 c6 08 48 89 77 18 48 89 c1 83 e1 03 48 83 f9 02 75 08 <48> 3d fd 00 00 00 76 08 88 57 12 c3 cc cc cc cc 48 c1 e8 02 89 c2

RSP: 0018:ffffbbf02a2236a8 EFLAGS: 00000246

RAX: ffff9cab7d6a0002 RBX: ffffe04b0af88040 RCX: 0000000000000002

RDX: 0000000000000030 RSI: ffff9cab60509b60 RDI: ffffbbf02a2236c0

RBP: 000000

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/71e2d666ef85d51834d658830f823560c402b8b6Refgit.kernel.org/stable/c/8cace0eeb03d6043827faa6cf6c9067a9f05cd9f

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50517?

CVE-2022-50517 is a high-severity vulnerability. It was published on October 7, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-50517?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50517?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50517?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50517 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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