Security readout for executives and security teams
Plain-English summary
Linux systems using the hns RoCE/RDMA driver may crash when kernel software supplies a missing offset pointer. The documented consequence is loss of availability; the supplied sources do not indicate data theft, modification, or code execution.
Executive priority
Patch promptly where hns RoCE/RDMA is present, especially on systems requiring high availability. Other Linux systems should first be inventoried because the supplied evidence does not show universal exposure or active exploitation.
Technical view
hns_roce_map_mr_sg() dereferences sg_offset without first checking for NULL, although ib_map_mr_sg() permits callers to provide NULL. This CWE-476 condition can cause a kernel NULL-pointer dereference and denial of service. Referenced Linux stable commits add the required check.
Likely exposure
Exposure is limited to Linux hosts running affected kernel code with the hns RoCE/RDMA driver relevant to their workload. The bundle does not define clean version ranges, so distribution backports and kernel package provenance must be checked.
Exploitation context
The bundle reports no KEV listing and provides no evidence of active exploitation or public weaponization. Although the CVSS vector rates the issue network-accessible without authentication, the cited material does not establish realistic remote triggerability or an internet attack path.
Researcher notes
The version data mixes commit hashes and release numbers under affected and unaffected statuses, including repeated identifiers. Treat it as record metadata rather than simple ranges. The sources establish the faulty dereference and correction, but provide limited detail about trigger prerequisites and remote reachability.
Mitigation direction
- Upgrade to a vendor-supported kernel containing the referenced stable fix.
- Check distribution security guidance for package-specific fixed versions and backports.
- Prioritize availability-sensitive systems that actively use hns RoCE/RDMA functionality.
Validation and detection
- Record each host's running kernel release and distribution package version.
- Determine whether hns RoCE/RDMA hardware, modules, or workloads are present.
- Verify the installed package changelog or advisory explicitly covers CVE-2024-53226.
- Confirm the vendor kernel incorporates the applicable referenced stable fix.
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-476: 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-2024-53226 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
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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
2 official scoresWe 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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6LinuxCVSS: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
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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/bd715e191d444992d6ed124f15856da5c1cae2deCVE reference, Linux
- https://git.kernel.org/stable/c/35f5b68f63aac61d30ce0b0c6beb09b8845a3e65CVE reference, Linux
- https://git.kernel.org/stable/c/52617e76f4963644db71dc0a17e998654dc0c7f4CVE reference, Linux
- https://git.kernel.org/stable/c/6b0d7d6e6883d0ec70cd7b5a02c47c003d5defe7CVE reference, Linux
- https://git.kernel.org/stable/c/71becb0e9df78a8d43dfd0efcef18c830a0af477CVE reference, Linux
- https://git.kernel.org/stable/c/8c269bb2cc666ca580271e1a8136c63ac9162e1eCVE reference, Linux
- https://git.kernel.org/stable/c/6b526d17eed850352d880b93b9bf20b93006bd92CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.htmlCVE reference, CVE
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.htmlCVE reference, CVE
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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.