SB2026052898 - Memory leak in Linux kernel crypto ccree driver
Published: May 28, 2026
Security Bulletin ID
SB2026052898
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory leak (CVE-ID: CVE-2026-45986)
CWE-ID: CWE-401 - Missing release of memory after effective lifetime
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a memory leak in cc_mac_digest() when handling a hash request finalization failure. A local user can trigger a failure condition to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/02c64052fad03699b9c6d1df2f9b444d17e4ac50
- https://git.kernel.org/stable/c/22f1dd4ca3bfe77db52cc7df3cc353dc114aab8b
- https://git.kernel.org/stable/c/3061c9bfb3f5b3522ab174e2fa7473b24422d1c6
- https://git.kernel.org/stable/c/502440c235fe34cee02b24d7f893841f7565b3bc
- https://git.kernel.org/stable/c/910f335786a0a0f0b46c3c8c19a13d25cb4454b6