Security readout for executives and security teams
Plain-English summary
This is a Linux kernel sample-code resource leak, not a remote takeover issue. A file opened by the HBM BPF sample path was not closed, which can contribute to availability problems if the affected code is repeatedly exercised.
Executive priority
Treat this as a routine availability-risk kernel maintenance item. It does not show remote exploitation or data theft impact, but shared Linux systems should be patched through normal kernel update cycles.
Technical view
CVE-2023-53290 is a CWE-401 resource leak in samples/bpf HBM run_bpf_prog. The CVSS vector is local, low complexity, low privilege, no user interaction, with high availability impact and no confidentiality or integrity impact.
Likely exposure
Exposure appears limited to Linux environments where the affected samples/bpf HBM code is present and usable. The supplied sources do not prove broad default runtime exposure across distributions.
Exploitation context
The source bundle marks KEV as false and provides no cited evidence of active exploitation. Any practical abuse would require local access with low privileges and a path to repeatedly exercise the affected sample code.
Researcher notes
The affected component is sample BPF HBM code, and the fix closes fout before scope exit. Source evidence does not include exploit reports, distro package mapping, or confirmation that production kernels expose this path by default.
Mitigation direction
- Apply vendor kernel updates that include the referenced stable fixes.
- Check Linux distribution advisories for package-specific affected and fixed versions.
- Remove or restrict unneeded BPF sample tooling where it is deployed.
- Prioritize shared systems where local users can run sample utilities.
Validation and detection
- Inventory Linux kernel versions and distribution package advisories.
- Check whether samples/bpf HBM tooling is built, packaged, or accessible.
- Map deployed kernels against the CVE affected version data and stable commits.
- Confirm remediation by verifying updated vendor kernel packages are installed.
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.
CWE-401: 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.
Open ATT&CK lookupCVE-2023-53290 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
SSVC decision data
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/a7ec2f424f6edad34651137783a0a59eca9aa37eCVE reference, Linux
- https://git.kernel.org/stable/c/7560ed6592ff4077528c239c71e91b19de985b97CVE reference, Linux
- https://git.kernel.org/stable/c/e3e6e252d74f20f6fc610c7fef3ae7dda0109a6fCVE reference, Linux
- https://git.kernel.org/stable/c/f2065b8b0a215bc6aa061287a2e3d9eab2446422CVE reference, Linux
- https://git.kernel.org/stable/c/edf37bc8b03d3f948e679b2fd2d14464495f5d1bCVE reference, Linux
- https://git.kernel.org/stable/c/23acb14af1914010dd0aae1bbb7fab28bf518b8eCVE reference, Linux
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.
Missing Release of Memory after Effective Lifetime
Missing Release of Memory after Effective Lifetime represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.