CVE-2026-93037
RDMA/hfi1: Propagate sdma_txinit_ahg() errors
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Propagate sdma_txinit_ahg() errors set_txreq_header_ahg() ignores the return value of sdma_txinit_ahg(). If sdma_txinit_ahg() fails, it returns before initializing tx->txreq. However, set_txreq_header_ahg() ignores the error and returns the AHG change count, causing the caller to continue processing the request as though initialization had succeeded. Propagate sdma_txinit_ahg() failures to the caller and abort request processing when initialization fails. Found by Linux Verification Center (linuxtesting.org) with SVACE.
INFO
Published Date :
Sept. 17, 2026, 5:17 p.m.
Last Modified :
Sept. 18, 2026, 6:18 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Apply updates to the Linux kernel.
- Ensure sdma_txinit_ahg failures are propagated.
- Abort request processing if initialization fails.
References to Advisories, Solutions, and Tools
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CVE-2026-93037.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-93037 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-93037
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-93037 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-93037 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 18, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Sep. 17, 2026
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Propagate sdma_txinit_ahg() errors set_txreq_header_ahg() ignores the return value of sdma_txinit_ahg(). If sdma_txinit_ahg() fails, it returns before initializing tx->txreq. However, set_txreq_header_ahg() ignores the error and returns the AHG change count, causing the caller to continue processing the request as though initialization had succeeded. Propagate sdma_txinit_ahg() failures to the caller and abort request processing when initialization fails. Found by Linux Verification Center (linuxtesting.org) with SVACE. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/93xxx/CVE-2026-93037.json">CVE-2026-93037</a> Added Reference https://git.kernel.org/stable/c/091c6162c022cbdfb64219708a71728cfd1d4600 Added Reference https://git.kernel.org/stable/c/122a730675565ff2ad210537c3fc3afb8291d482 Added Reference https://git.kernel.org/stable/c/3416db552eb378e54cb2f2ce0db5f0df88654bda Added Reference https://git.kernel.org/stable/c/5b7cefffd15d87c8103865f887cdcf9077d8094b Added Reference https://git.kernel.org/stable/c/bf974994150cfd14bfc599748925f4d426e00d90 Added Reference https://git.kernel.org/stable/c/ca99431820e8cac19f6a091c04da54cbe8d64f52 Added Reference https://git.kernel.org/stable/c/cb73c2fe6e9cf563c99f22b7c8bca0d5f70d603e Added Reference https://git.kernel.org/stable/c/fd6dee13f3857259b6b2ddd28e1ed95fd94ae2f9