Security readout for executives and security teams
Plain-English summary
CVE-2022-50637 is a Linux kernel memory leak in the Qualcomm hardware CPU frequency driver. If a lookup for CPU operating-performance data fails, allocated memory may not be released. Public sources do not provide CVSS, confirmed business impact, or active exploitation evidence.
Executive priority
Handle through normal kernel maintenance unless a vendor advisory raises severity for your environment. Prioritize asset identification for Qualcomm Linux platforms and apply fixed kernels when available.
Technical view
The issue is in qcom_cpufreq_hw_read_lut(). When cpu_dev fails to get an OPP table, the function returns without releasing the table resource. The CVE record lists Linux kernel exposure and stable kernel commits that resolve the leak.
Likely exposure
Most relevant to Linux systems using the Qualcomm qcom-hw cpufreq driver. The CVE source lists Linux kernel versions and stable commits, but applicability depends on kernel build, hardware platform, and vendor distribution packaging.
Exploitation context
No CISA KEV listing is reported in the provided data, and the sources do not state active exploitation. The public description does not describe attacker prerequisites, reachability, or a practical exploitation path.
Researcher notes
The record is sparse: no CVSS, CWE, exploit status, or detailed trigger conditions are provided. Analysis should focus on patch presence, affected kernel lineage, and whether the Qualcomm cpufreq hardware driver path is present in the target environment.
Mitigation direction
- Check your Linux distribution or device vendor advisory for CVE-2022-50637 applicability.
- Update to a kernel package containing the referenced stable fixes.
- Prioritize Qualcomm-based Linux devices if they use the qcom-hw cpufreq driver.
- If updates are unavailable, follow vendor guidance for risk reduction.
Validation and detection
- Inventory Linux kernel versions across Qualcomm-based systems.
- Confirm whether the qcom-hw cpufreq driver is built or loaded.
- Verify kernel source or package includes one of the referenced stable commits.
- Track vendor advisories for backported fixes using different version numbers.
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-2022-50637 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/3ef12a4a8ef5553af9c3fd2719a616637a102568CVE reference
- https://git.kernel.org/stable/c/4ea765b10624d67407817100d381c60f53593033CVE reference
- https://git.kernel.org/stable/c/5d430076e66bddd08612911513b36f932b0d9d6cCVE reference
- https://git.kernel.org/stable/c/242e23be8f31ebd90525c57ee3244c28e99a1697CVE reference
- https://git.kernel.org/stable/c/9901c21bcaf2f01fe5078f750d624f4ddfa8f81bCVE 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.