CVE-2026-80924

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    CVE-2026-80924

    Published: 9 Sept 2026Last Modified: 11 Sept 2026

    Summary: crypto: krb5 - use kfree_sensitive() for derived key buffers

    Details: In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfree_sensitive() for derived key buffers crypto_krb5_prepare_encryption() and crypto_krb5_prepare_checksum() free the buffer holding the freshly derived keys with plain kfree(), leaving the key material behind in the freed slab object.

    References: https://git.kernel.org/stable/c/731a5b6fb4c1705f9405d9029dd64ea81e336207, https://git.kernel.org/stable/c/91b96dc9cc250cd16751f53de525cf3442ca0962, https://git.kernel.org/stable/c/a1bf79365794783b19f5b09e8a23f7ee311e8931, https://git.kernel.org/stable/c/f7d53dd3f267e46a784f219a75072f2f400d42b9, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80924.json, https://nvd.nist.gov/vuln/detail/CVE-2026-80924, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3936f02bf2d3308a7359dd37dd96cd60603d8170
    Fixed -731a5b6fb4c1705f9405d9029dd64ea81e336207

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-80924 | CVE-DB