PT-2026-90264

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the SUNRPC component. The function sunrpc destroy cache detail only cancels the global cache cleaner delayed work when the cache list is empty. During...

PT-2026-90267

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer underflow exists in the SUNRPC component. The xdr buf trim function trims bytes from the tail of an xdr buf by iterating through tail, pages, and head iovecs. A failure to cla...

PT-2026-96402

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix use-after-free in rpc clnt handle event and rpc clnt remove pipedir Normal client creation goes through rpc setup pipedir, which records clnt-pipefs sb, but the mount-event path in rpc clnt handle event calls rpc setu...

PT-2026-96420

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

PT-2026-96466

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: wait for in-flight client TLS handshake callback xs tls handshake sync gives xs tls handshake done a reference to the lower transport before submitting the handshake request. On timeout or signal, the synchronous waiter...

PT-2026-96434

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Fix pcl for each segment for empty chunks When a parsed chunk list contains a chunk whose ch segcount is zero, pcl for each segment computes its inclusive upper bound as &chunk-ch segmentsch segcount - 1. ch segcount is...

PT-2026-96529

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: reject duplicate CREDS VALUE options gssx dec option array walks the wire-supplied option array and, for every entry whose name matches CREDS VALUE, calls gssx dec linux creds on the same struct svc cred. That helper...

CVE-2026-89538: Undefined Security Weakness

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...

PT-2026-90254

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SUNRPC component where the gss krb5 unwrap v2 function fails to properly validate the 16-bit extra count ec field in Kerberos v2 token headers. A peer with a valid...

PT-2026-96566

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: svcauth gss: enforce krb5 token minimum length svcauth gss unwrap priv validates only an upper bound on the wire-supplied opaque length before handing the buffer to gss unwrap: if len xdr stream remainingxdr goto unwrap...

CVE-2026-89550: Undefined Security Weakness

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...

PT-2026-90255

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SUNRPC component where the gssx dec option array function fails to properly handle duplicate CREDS VALUE options in a wire-supplied option array. When multiple CRE...

PT-2026-90252

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SUNRPC component where a race condition occurs during the client TLS handshake. The function xs tls handshake sync provides a reference to the lower transport to x...

PT-2026-90257

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SUNRPC component where the gss unwrap resp priv function improperly validates the RPCSEC GSS opaque length. Because the sum of offset and opaque len is computed...

PT-2026-96600

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gss unwrap resp priv length checks gss unwrap resp priv validates the RPCSEC GSS opaque length with offset = u8 p - u8 head-iov base; if offset + opaque len rcv buf-len goto unwrap failed; maj stat = gss unwrapctx-...

CVE-2026-89541: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: harden gssunwrapresppriv length checks gssunwrapresppriv validates the RPCSECGSS opaque length with offset = u8 p - u8 head-iovbase; if offset + opaquelen rcvbuf-len goto unwrapfailed; majstat = gssunwrapctx-gcgssctx,...

CVE-2026-89537: Undefined Security Weakness

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-2026-89544: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: fix gssxdecoptionarray error path bugs Four coupled defects in the gssx XDR option-array decoder make the error paths unsafe: a NULL deref in the caller, a refcount leak on the decoded groupinfo, and a latent use-after-fr...

CVE-2026-89545: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sunrpc: defer rqargp and rqresp free until after RCU grace period svcrqstfree frees rqstp-rqargp and rqstp-rqresp synchronously via kfree, but defers the rqstp struct free via kfreercu. After svcexitthread calls listdelrcu and...