10.0
CRITICAL
CVSS 3.1
CVE-2026-74279
crypto: cavium/cpt - fix DMA cleanup using wrong loop index
Overview
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: cavium/cpt - fix DMA cleanup using wrong loop index The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one.
Details
INFO
Published Date :
Aug. 15, 2026, 6:22 a.m.
Last Modified :
Aug. 17, 2026, 6:19 a.m.
Remotely Exploit :
Yes !
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework
for assessing the severity of vulnerabilities in software and systems.
We collect and displays CVSS scores from various sources for each CVE.
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
Fix DMA cleanup by using the correct loop index to prevent memory leaks.
- Apply the kernel patch for the crypto: cavium/cpt vulnerability.
- Ensure correct DMA buffer unmapping in the error path.
- Verify memory leak remediation.
References
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-74279.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-74279 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-2026-74279
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-74279 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-74279 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.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '23c6174e48f66fc10b998b0acdb406cb0caf5c80', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '23d3a7e896a1fe2d7a6bcb42f093948b79f8a198', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '28141f95ae93b18f9bfde953cb787fcb151fb9da', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '8afd1007ef79898a6e010eaade97097e49405fce', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '3b8a1e1f4e4071a62b20374028744e8cc8310d48', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': 'fb4d57b83356d4bd411b45ede3024e0ff42c9b5e', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': 'd319b83b97b3585550d9ae592dfa78c755b6129e', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '9dbf173bd32d5f81b005008b682bfb50aa093455', 'versionType': 'git'}], 'programFiles': ['drivers/crypto/cavium/cpt/cptvf_reqmanager.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/crypto/cavium/cpt/cptvf_reqmanager.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '23c6174e48f66fc10b998b0acdb406cb0caf5c80', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '23d3a7e896a1fe2d7a6bcb42f093948b79f8a198', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '28141f95ae93b18f9bfde953cb787fcb151fb9da', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '8afd1007ef79898a6e010eaade97097e49405fce', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '3b8a1e1f4e4071a62b20374028744e8cc8310d48', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': 'fb4d57b83356d4bd411b45ede3024e0ff42c9b5e', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': 'd319b83b97b3585550d9ae592dfa78c755b6129e', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '9dbf173bd32d5f81b005008b682bfb50aa093455', 'versionType': 'git'}], 'programFiles': ['drivers/crypto/cavium/cpt/cptvf_reqmanager.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/crypto/cavium/cpt/cptvf_reqmanager.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 15, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '23c6174e48f66fc10b998b0acdb406cb0caf5c80', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '23d3a7e896a1fe2d7a6bcb42f093948b79f8a198', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '28141f95ae93b18f9bfde953cb787fcb151fb9da', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '8afd1007ef79898a6e010eaade97097e49405fce', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '3b8a1e1f4e4071a62b20374028744e8cc8310d48', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': 'fb4d57b83356d4bd411b45ede3024e0ff42c9b5e', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': 'd319b83b97b3585550d9ae592dfa78c755b6129e', 'versionType': 'git'}, {'status': 'affected', 'version': 'c694b233295b99c33dd5ac28aede9f171f5a6862', 'lessThan': '9dbf173bd32d5f81b005008b682bfb50aa093455', 'versionType': 'git'}], 'programFiles': ['drivers/crypto/cavium/cpt/cptvf_reqmanager.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.11'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.11', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/crypto/cavium/cpt/cptvf_reqmanager.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: cavium/cpt - fix DMA cleanup using wrong loop index The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repeatedly unmapping the failed one. Added Reference https://git.kernel.org/stable/c/23c6174e48f66fc10b998b0acdb406cb0caf5c80 Added Reference https://git.kernel.org/stable/c/23d3a7e896a1fe2d7a6bcb42f093948b79f8a198 Added Reference https://git.kernel.org/stable/c/28141f95ae93b18f9bfde953cb787fcb151fb9da Added Reference https://git.kernel.org/stable/c/3b8a1e1f4e4071a62b20374028744e8cc8310d48 Added Reference https://git.kernel.org/stable/c/8afd1007ef79898a6e010eaade97097e49405fce Added Reference https://git.kernel.org/stable/c/9dbf173bd32d5f81b005008b682bfb50aa093455 Added Reference https://git.kernel.org/stable/c/d319b83b97b3585550d9ae592dfa78c755b6129e Added Reference https://git.kernel.org/stable/c/fb4d57b83356d4bd411b45ede3024e0ff42c9b5e
EPSS is a daily estimate of the probability of exploitation activity
being observed over the next 30 days. Following chart shows the EPSS
score history of the vulnerability.