Sensitive Information in Resource Not Removed Before Reuse in Linux kernel - CVE-2026-80924
Published: September 9, 2026
Vulnerability identifier: #VU148838
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-80924
CWE-ID: CWE-226
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to failure to clear sensitive information before release in crypto_krb5_prepare_encryption() and crypto_krb5_prepare_checksum() when releasing derived key buffers. A local user can invoke affected Kerberos 5 cryptographic operations to disclose sensitive information.
Affected software
Linux kernel
How to mitigate CVE-2026-80924
Install security update from vendor's repository.