CVE-2026-74279
Published: August 18, 2026Last modified: August 18, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 10 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | CHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.182-r0) |
| 25 LTS | linux-lts | Fixed (6.12.103-r0) | |
| Stream | linux-lts | Fixed (6.18.43-r0) |
References
- https://git.kernel.org/stable/c/23c6174e48f66fc10b998b0acdb406cb0caf5c80
- https://git.kernel.org/stable/c/23d3a7e896a1fe2d7a6bcb42f093948b79f8a198
- https://git.kernel.org/stable/c/28141f95ae93b18f9bfde953cb787fcb151fb9da
- https://git.kernel.org/stable/c/3b8a1e1f4e4071a62b20374028744e8cc8310d48
- https://git.kernel.org/stable/c/8afd1007ef79898a6e010eaade97097e49405fce
- https://git.kernel.org/stable/c/9dbf173bd32d5f81b005008b682bfb50aa093455
- https://git.kernel.org/stable/c/d319b83b97b3585550d9ae592dfa78c755b6129e
- https://git.kernel.org/stable/c/fb4d57b83356d4bd411b45ede3024e0ff42c9b5e