crypto: cavium/cpt - fix DMA cleanup using wrong loop index
Summary
| CVE | CVE-2026-74279 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-15 06:22:27 UTC |
| Updated | 2026-08-17 06:19:21 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 10 CRITICAL from 416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS: 0.005210000 probability, percentile 0.418060000 (date 2026-08-17)
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | Secondary | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| 3.1 | CNA | DECLARED | 10 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 23c6174e48f66fc10b998b0acdb406cb0caf5c80 git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198 git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 28141f95ae93b18f9bfde953cb787fcb151fb9da git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 8afd1007ef79898a6e010eaade97097e49405fce git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 3b8a1e1f4e4071a62b20374028744e8cc8310d48 git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 fb4d57b83356d4bd411b45ede3024e0ff42c9b5e git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 d319b83b97b3585550d9ae592dfa78c755b6129e git | Not specified |
| CNA | Linux | Linux | affected c694b233295b99c33dd5ac28aede9f171f5a6862 9dbf173bd32d5f81b005008b682bfb50aa093455 git | Not specified |
| CNA | Linux | Linux | affected 4.11 | Not specified |
| CNA | Linux | Linux | unaffected 4.11 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.261 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.212 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.178 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.145 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.97 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.40 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.5 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/fb4d57b83356d4bd411b45ede3024e0ff42c9b5e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d319b83b97b3585550d9ae592dfa78c755b6129e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/23d3a7e896a1fe2d7a6bcb42f093948b79f8a198 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9dbf173bd32d5f81b005008b682bfb50aa093455 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/23c6174e48f66fc10b998b0acdb406cb0caf5c80 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/3b8a1e1f4e4071a62b20374028744e8cc8310d48 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/28141f95ae93b18f9bfde953cb787fcb151fb9da | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/8afd1007ef79898a6e010eaade97097e49405fce | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.