Security readout for executives and security teams
Plain-English summary
This Linux kernel issue is a memory leak in driver-core ACPI location handling. A local authenticated user could potentially trigger resource exhaustion affecting availability. The sources do not indicate data theft, integrity impact, remote access, or active exploitation.
Executive priority
Treat as a normal-priority kernel maintenance issue unless exposed on shared or multi-tenant Linux systems. It is not evidenced as remotely exploitable or actively exploited, but availability impact justifies timely patching through standard kernel update processes.
Technical view
CVE-2023-53211 is CWE-401 in the Linux kernel: struct acpi_pld_info *pld was not freed on an allocation-failure path before returning false. CVSS 3.1 is 5.5, local attack vector, low complexity, low privileges, no user interaction, availability impact high.
Likely exposure
Exposure is limited to systems running affected Linux kernel versions or builds that include the vulnerable driver-core location code before the stable fixes. The bundle does not map affected status to distributions, appliances, or cloud images.
Exploitation context
The provided CVE data marks CISA KEV as false and gives no cited evidence of active exploitation. Exploitation would require local privileges, so risk is highest on shared systems, multi-user hosts, or workloads accepting untrusted local code.
Researcher notes
The source bundle identifies the bug and upstream stable commits but does not provide a reproducer, distro matrix, or exploit evidence. Validate exposure by patch lineage rather than upstream version alone because vendors may backport fixes.
Mitigation direction
- Update to a vendor-supported kernel containing the referenced stable fixes.
- Check Linux distribution advisories for package-specific fixed versions.
- Prioritize shared hosts and systems allowing untrusted local users.
- Follow vendor guidance if backported fixes obscure upstream version numbers.
Validation and detection
- Inventory Linux kernel versions and vendor package release levels.
- Confirm whether vendor changelogs include the referenced stable commits.
- Review affected shared or multi-user systems before lower-risk single-purpose hosts.
- Track CVE status for later exploitation or distribution-specific guidance.
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-2023-53211 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/8fe72b8f59f63ca776bb8a4fcd2f406057a9fc90CVE reference, Linux
- https://git.kernel.org/stable/c/5a9de90951bbeaed775e4b8d1b16b4d359e82bf5CVE reference, Linux
- https://git.kernel.org/stable/c/0d150f967e8410e1e6712484543eec709356a65dCVE 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.