Security readout for executives and security teams
Plain-English summary
This Linux kernel issue can let a local low-privileged user cause memory to be leaked in the accel/habanalabs driver path. The business impact is availability: affected systems could lose resources or become unstable. The sources do not show remote exploitation or data theft.
Executive priority
Treat as a moderate availability risk for specialized Linux hosts, not an internet-wide emergency. Prioritize patching where shared local users, AI accelerator workloads, or stability-sensitive services depend on affected systems.
Technical view
The vulnerability is a CWE-401 memory leak in Linux accel/habanalabs. The memory manager IDR was destroyed when a file descriptor closed while user context and buffers could remain active. Later buffer release could not find handles, leaking memory. Kernel stable commits postpone IDR destruction to hpriv_release().
Likely exposure
Exposure is likely limited to Linux systems running affected kernel versions with accel/habanalabs present and accessible to local users. The bundle lists Linux as the affected product, but does not provide distribution-specific package names or hardware deployment scope.
Exploitation context
The CVSS vector is local, low complexity, low privileges, no user interaction, with high availability impact. KEV is false, and the supplied sources do not report active exploitation or public weaponization.
Researcher notes
Evidence supports a kernel memory-management lifecycle bug and stable-code fix. The bundle does not identify affected distributions, device nodes, exploit procedures, or observed attacks. Validate through kernel source, vendor backports, and local driver exposure rather than assuming broad fleet impact.
Mitigation direction
- Update to a kernel containing the referenced stable fixes.
- Check Linux distribution advisories for backported fixed kernel packages.
- Restrict local access to affected accelerator device interfaces where operationally feasible.
- Monitor affected hosts for abnormal memory growth until patched.
Validation and detection
- Inventory Linux kernel versions on systems that use accel/habanalabs.
- Confirm whether the referenced stable commits or equivalent backports are present.
- Review local user access paths to affected device interfaces.
- Track memory pressure or leak symptoms on exposed systems before remediation.
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-2023-53353 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/840de329ca99cafd0cdde9c6ac160b1330942abaCVE reference, Linux
- https://git.kernel.org/stable/c/2e8e9a895c4589f124a37fc84d123b5114406e94CVE 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.