Security readout for executives and security teams
Plain-English summary
CVE-2022-50872 is a Linux kernel memory leak in ARM OMAP2+ initialization code. The public record does not provide a CVSS score or evidence of exploitation. Business urgency is mainly for organizations maintaining embedded or legacy ARM OMAP2-based Linux devices, where kernel reliability and long-lived uptime matter.
Executive priority
Track and remediate through normal kernel maintenance unless you operate affected embedded ARM OMAP2 fleets. There is no provided evidence of active exploitation or broad enterprise exposure.
Technical view
The issue is in realtime_counter_init() for ARM OMAP2+. A sys_clk resource obtained through clk_get() was not released when the function returned, causing a memory leak. The kernel stable references indicate fixes across multiple maintained branches, but the source bundle does not describe exploitability beyond the leak.
Likely exposure
Likely limited to Linux systems using ARM OMAP2+ platform code. Exposure depends on hardware, kernel configuration, and whether a vendor kernel has already backported the referenced stable fixes.
Exploitation context
No CISA KEV entry is indicated, and the provided sources do not claim active exploitation. They also do not specify a remote attack path, privilege requirement, or denial-of-service proof.
Researcher notes
The source bundle identifies the flaw and stable commit references but lacks CVSS, CWE, detailed affected ranges, or exploitability analysis. Treat version assessment carefully, especially for vendor kernels with non-obvious backports.
Mitigation direction
- Check your Linux or device vendor advisory for CVE-2022-50872 coverage.
- Update to a vendor kernel containing the referenced stable fixes.
- For custom kernels, assess whether the stable commits are already backported.
- Prioritize embedded ARM OMAP2 assets with long uptime requirements.
Validation and detection
- Inventory devices running Linux on ARM OMAP2-class hardware.
- Record kernel version, branch, and vendor patch level.
- Compare your kernel tree against the referenced stable commits.
- Confirm vendor firmware or kernel release notes mention this fix.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2022-50872 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/5f9aedabce3404dd8bb769822fc11317c55fbdc1CVE reference
- https://git.kernel.org/stable/c/e3a6af3059e4f83d1a986a3180eb1e04f99c9e64CVE reference
- https://git.kernel.org/stable/c/8041f9a2a958277f95926560dc85910aecd48c0bCVE reference
- https://git.kernel.org/stable/c/4862c41d5f3bee1ec64c979c82bd8cfe96b78f7dCVE reference
- https://git.kernel.org/stable/c/10fcdad2b9f3f424873714eb8713a3e6f7ab84bbCVE reference
- https://git.kernel.org/stable/c/98df4bdf3b010c23cc3c542d0c303016e5fceb40CVE reference
- https://git.kernel.org/stable/c/4f7ad1b08533247c4bf29217ba499ea4138cc2c1CVE reference
- https://git.kernel.org/stable/c/ed8167cbf65c2b6ff6faeb0f96ded4d6d581e1acCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.