Linux Distros Unpatched Vulnerability : CVE-2026-89550

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the...

DEBIAN-CVE-2026-89550

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gssunwrap: if len xdrstreamremainingxdr goto unwrapfailed;...

AZL-100776 CVE-2026-89550 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gssunwrap: if len xdrstreamremainingxdr goto unwrapfailed;...

CVE-2026-89550

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gssunwrap: if len xdrstreamremainingxdr goto unwrapfailed;...

CVE-2026-89550

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gssunwrap: if len xdrstreamremainingxdr goto unwrapfailed;...

CVE-2026-89550 SUNRPC: svcauth_gss: enforce krb5 token minimum length

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gssunwrap: if len xdrstreamremainingxdr goto unwrapfailed;...

CVE-2026-89550 SUNRPC: svcauth_gss: enforce krb5 token minimum length

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauthgss: enforce krb5 token minimum length svcauthgssunwrappriv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gssunwrap: if len xdrstreamremainingxdr goto unwrapfailed;...

PT-2026-90266

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SUNRPC component where the svcauth gss unwrap priv function only validates the upper bound of the wire-supplied opaque length len before passing the buffer to gss...

ROS-20240911-04

A vulnerability in the Kerberos network authentication protocol is associated with modification of the Extra Count open field of the confidential GSS krb5 shell token. Exploitation of the vulnerability allows an attacker acting remotely to affect the integrity and operation of the system. remotel...

MGASA-2024-0253 Updated krb5 packages fix security vulnerabilities

Before 1.21.3, an attacker can modify the plaintext Extra Count field of a confidential GSS krb5 wrap token, causing the unwrapped token to appear truncated to the application. CVE-2024-37370 Before 1.21.3, an attacker can cause invalid memory reads during GSS message token handling by sending...