Security readout for executives and security teams
Plain-English summary
This is a Linux kernel memory leak in the IPMI system interface driver. It occurs during a failed initialization path after memory is allocated but before cleanup handlers are registered. The source does not indicate remote access, privilege escalation, data theft, or active exploitation.
Executive priority
Treat as routine kernel hygiene unless IPMI is widely used on critical infrastructure. There is no cited exploitation, no CVSS score, and the described impact is a memory leak on an initialization error path.
Technical view
In ipmi_si try_smi_init(), an error before handler registration could leave new_smi->si_sm allocated. The upstream fix adds kfree() in that error path. Affected entries include Linux kernel versions from 4.18 through listed stable series before fixes; severity and CVSS are not provided.
Likely exposure
Most relevant to Linux systems that load or depend on the ipmi_si driver for IPMI/BMC management. Exposure is likely lower for systems without IPMI hardware, without the module loaded, or using vendor kernels already carrying the stable fixes.
Exploitation context
No active exploitation is cited, and the CVE is not marked KEV. The available evidence describes a kernel memory leak found by Kmemleak during module initialization error handling, not a complete attacker path.
Researcher notes
The source evidence is narrow: it identifies the leaking allocation and cleanup fix, but does not define exploit prerequisites, attacker privileges, or practical impact. Avoid overstating risk without distro advisories or additional kernel analysis.
Mitigation direction
- Apply vendor kernel updates that include the upstream stable fixes.
- Check Linux distribution advisories for CVE-2023-53611 package status.
- If IPMI is unnecessary, review vendor-supported options to avoid loading ipmi_si.
- Prioritize systems using IPMI for server or BMC management.
- Track reboot requirements after kernel package updates.
Validation and detection
- Inventory running Linux kernel versions against vendor fixed package data.
- Check whether ipmi_si is configured, loaded, or operationally required.
- Confirm the kernel package includes one of the referenced stable fixes.
- Review vendor changelogs for CVE-2023-53611 or the ipmi_si fix.
- Monitor for recurring kernel memory leak reports if Kmemleak is enabled.
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
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CVE-2023-53611 mapping review
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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.
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.
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/b9bc8fbb2d416ce87f0342478dc9fcfd79f2c65fCVE reference, Linux
- https://git.kernel.org/stable/c/f53ab5a2bf20fed59a2f7542d3453228b8056358CVE reference, Linux
- https://git.kernel.org/stable/c/5c5f02e16b919c8cb6024dc3778c8d8f1fb1f26bCVE reference, Linux
- https://git.kernel.org/stable/c/cbb7d8a4b4beb3061b3a1847a742983a01dca381CVE reference, Linux
- https://git.kernel.org/stable/c/09cb2a71b2e982015fe0464f28da1ab42b8e6375CVE reference, Linux
- https://git.kernel.org/stable/c/1bfcfea0fae0d0a6c6ff5543e6d704b3807b83ceCVE reference, Linux
- https://git.kernel.org/stable/c/7291af9a738d936c2d6869d030711dceb68404d0CVE reference, Linux
- https://git.kernel.org/stable/c/6cf1a126de2992b4efe1c3c4d398f8de4aed6e3fCVE 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.