CVE-2026-74279
kernel: crypto: cavium/cpt - fix DMA cleanup using wrong loop index
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 15, 2026
Updated · August 21, 2026
Description
A flaw was found in the Linux kernel's cavium/cpt cryptographic driver. An incorrect loop index in the sg_cleanup error path during Direct Memory Access (DMA) buffer unmapping could lead to resource exhaustion. This issue results in successfully mapped entries being leaked and failed entries being repeatedly unmapped, potentially causing system instability or a denial of service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime