PT-2025-46604 · Linux+2 · Linux Kernel+2
Published
2025-08-11
·
Updated
2026-05-07
·
CVE-2025-40129
CVSS v2.0
5.5
Medium
| Vector | AV:A/AC:L/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A flaw exists in the Linux kernel’s sunrpc implementation where a null pointer dereference can occur during checksum processing. Specifically, in the
xdr stream decode opaque auth() function, a zero-length checksum can lead to checksum.data being set to NULL. Subsequently, accessing checksum.data within the gss krb5 verify mic v2() function triggers a null pointer dereference.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
NULL Pointer Dereference
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Weakness Enumeration
Related Identifiers
Affected Products
Linuxmint
Linux Kernel
Ubuntu