Security readout for executives and security teams
Plain-English summary
CVE-2024-50150 is a Linux kernel USB Type-C memory lifetime bug. A local, low-privileged user could potentially cause serious confidentiality, integrity, or availability impact. The provided sources do not show active exploitation, and this is not described as remotely exploitable.
Executive priority
Treat this as high-priority kernel maintenance where local users or USB-C capable Linux systems exist. It is less urgent than a remotely exploitable internet-facing flaw, but the impact rating is high and kernel memory safety issues can be operationally serious.
Technical view
The bug is a use-after-free in Type-C alternate mode device release handling. The release path referenced the parent device without holding a reference. The kernel fix gets the parent reference during alternate mode registration and releases it in the release function. KASAN evidence in the record shows slab-use-after-free during delayed kobject cleanup.
Likely exposure
Exposure is most relevant to Linux systems using affected kernel branches with USB Type-C alternate mode support. Multi-user Linux hosts, workstations, and systems where untrusted users have local access deserve priority. The provided bundle has incomplete version boundary detail, so confirm exact exposure against vendor kernel advisories.
Exploitation context
CVSS is 7.8 with local attack vector, low complexity, low privileges, and no user interaction. The bundle marks KEV as false and provides no cited evidence of exploitation in the wild. Trigger conditions beyond the kernel object lifecycle issue are not fully documented here.
Researcher notes
Focus validation on kernel branch provenance and whether the Type-C alternate mode parent reference fix is present. The supplied record supports CWE-416 and high CVSS impact, but it does not provide a public exploit, KEV listing, or complete distro-by-distro affected matrix.
Mitigation direction
Update Linux kernels using vendor or distribution packages that include the referenced stable fixes.
Prioritize systems with untrusted local users or USB Type-C functionality exposed.
Check Debian LTS guidance if running Debian-derived kernels covered by the advisories.
Check hardware or appliance vendor guidance for bundled Linux kernels.
Avoid ad hoc kernel backports unless they match the stable fix behavior.
Validation and detection
Inventory Linux kernel versions and distribution package release levels across affected systems.
Map kernels to vendor advisories and the referenced stable commit IDs.
Confirm patched systems boot the expected updated kernel, not an older fallback kernel.
Review vulnerability scanner findings for stale kernel package detection.
For custom kernels, confirm the parent device reference fix is present.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
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.
cwe · low confidence lookup
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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.
1CVSS vectors
3Timeline events
3ADP providers
12Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-416 · source CWE mapping
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.