# CVE-2022-0995: Linux Kernel out-of-bounds write vulnerability

Source: https://junglewise.ai/threats/cve-2022-0995-linux-kernel-out-of-bounds-write-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-08-26. Updated: 2026-09-24  
License: CC BY 4.0 with a link back

CVE-2022-0995 · Severity: critical · Exploited in the wild · Published 2026-08-26

The Linux Kernel, which forms the core of Linux-based operating systems, contains a memory corruption flaw that allows an attacker with local access to crash the system or escalate their privileges to administrator level. This vulnerability has already been actively exploited by threat actors in real-world attacks, posing an immediate risk to all affected Linux systems.

Technologies: [Linux Kernel](https://junglewise.ai/threats/technologies/kernel). Vendors: [Linux](https://junglewise.ai/threats/vendors/linux).

## Quick answers

**Is CVE-2022-0995 exploited in the wild?** Yes. CVE-2022-0995 is known to be exploited in the wild, first recorded on 26 August 2026. Treat it as urgent.

**How severe is CVE-2022-0995?** Critical severity, published 26 August 2026.

**Which products and versions are affected?** Linux Kernel.

**Is there a fix for CVE-2022-0995?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2022-0995 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2022-0995?** Check whether you run Linux Kernel. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

This vulnerability is an out-of-bounds write flaw in the Linux Kernel that can be triggered by a local user without elevated privileges. The root cause involves improper bounds checking in a kernel memory operation, allowing an attacker to write data outside the intended buffer boundaries. The attack requires local system access but does not require authentication or special permissions to trigger. Successful exploitation enables privilege escalation to root/kernel-level access or can be weaponized to cause a kernel panic and denial of service. The vulnerability has been observed in active exploitation campaigns. Patches have been released as part of kernel security updates.

## Affected products

- Linux Kernel

## Timeline

- 2022: disclosed: CVE-2022-0995 public disclosure
- exploited: Known to be actively exploited in the wild

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