UBUNTU-CVE-2026-89538

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field gsskrb5unwrapv2 sets buf-len to a logical length, which can be much smaller than head0.iovlen the allocated receive-page capacity. It then calls xdrbuftrim with a trim...

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;...

UBUNTU-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-2026-89551

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: xdrbuftrim: clamp buf-len to avoid underflow xdrbuftrim trims len bytes from the tail of an xdrbuf by walking the tail, pages, and head iovecs. Each per-section step uses mint so it never removes more bytes than that...

CVE-2026-89538

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field gsskrb5unwrapv2 sets buf-len to a logical length, which can be much smaller than head0.iovlen the allocated receive-page capacity. It then calls xdrbuftrim with a trim...

CVE-2026-89537

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7, then passes ptr + GSSKRB5TOKHDRLEN and cksumlen to gsskrb5micbuildsg...

Linux Distros Unpatched Vulnerability : CVE-2026-89537

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7,...

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 6.6.150.1-1

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;...

DEBIAN-CVE-2026-89551

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: xdrbuftrim: clamp buf-len to avoid underflow xdrbuftrim trims len bytes from the tail of an xdrbuf by walking the tail, pages, and head iovecs. Each per-section step uses mint so it never removes more bytes than that...

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;...

DEBIAN-CVE-2026-89542

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gsskrb5unwrapv2 against short tokens gsskrb5unwrapv2 reads the EC and RRC header fields at ptr+4 and ptr+6 before validating that the token is at least GSSKRB5TOKHDRLEN 16 bytes long, and its rotateleft helper pass...

DEBIAN-CVE-2026-89538

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field gsskrb5unwrapv2 sets buf-len to a logical length, which can be much smaller than head0.iovlen the allocated receive-page capacity. It then calls xdrbuftrim with a trim...

DEBIAN-CVE-2026-89537

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7, then passes ptr + GSSKRB5TOKHDRLEN and cksumlen to gsskrb5micbuildsg...

CVE-2026-89538

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field gsskrb5unwrapv2 sets buf-len to a logical length, which can be much smaller than head0.iovlen the allocated receive-page capacity. It then calls xdrbuftrim with a trim...

CVE-2026-89551

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: xdrbuftrim: clamp buf-len to avoid underflow xdrbuftrim trims len bytes from the tail of an xdrbuf by walking the tail, pages, and head iovecs. Each per-section step uses mint so it never removes more bytes than that...

CVE-2026-89551 SUNRPC: xdr_buf_trim: clamp buf->len to avoid underflow

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: xdrbuftrim: clamp buf-len to avoid underflow xdrbuftrim trims len bytes from the tail of an xdrbuf by walking the tail, pages, and head iovecs. Each per-section step uses mint so it never removes more bytes than that...

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;...