NFSundown

Overview Proof-of-Concept exploit for NFSundown CVE-2025-38089. It can remotely trigger a kernel crash in an NFS server. Details A remote attacker can trigger a kernel null pointer dereference and crash the kernel by sending a specially crafted RPC request. This occurs due to improper handling of...

Oracle Linux 9 : kernel (ELSA-2026-83156)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-83156 advisory. - net/smc: carry oversized SMC-Rv2 LLC messages in the queue entry Jan Polensky RHEL-271472 CVE-2026-80985 - net/smc: bound the peer rkey counts in...

kernel: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry

A flaw was found in the Linux kernel's SUNRPC Sun Remote Procedure Call component. Improper handling of credential data during the decoding process can lead to a dangling pointer, a form of memory corruption. This issue may allow a remote attacker to cause a denial of service by triggering early...

kernel security update

5.14.0-687.58.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

kernel security, bug fix, and enhancement update

6.12.0-211.66.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

kernel: SUNRPC: Zero rpc_gss_wire_cred at svcauth_gss_decode_credbody() entry

A flaw was found in the Linux kernel's SUNRPC Sun Remote Procedure Call component. Improper handling of credential data during the decoding process can lead to a dangling pointer, a form of memory corruption. This issue may allow a remote attacker to cause a denial of service by triggering early...

CVE-2026-90235

A flaw was found in the xprtsock component of the Linux kernel's sunrpc implementation. This concurrency vulnerability arises from improper synchronization when updating and reading shared socket callback pointers. As a result, a processor might use an outdated reference to a callback function...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tipc: fix integer overflow in tipcrecvmsg and tipcrecvstream CVE-2026-68289 In the Linux kernel, the following vulnerability has been resolved: bpf: Reject redirect helpers without a bpfnetcontext CVE-2026-68337 I...

RockyLinux 10 : kernel (RLSA-2026:77690)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:77690 advisory. kernel: ipvlan: Make the addrslock be per port CVE-2026-23103 kernel: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use CVE-2026-53360 kerne...

kernel: SUNRPC: pin upper rpc_clnt across the TLS connect_worker

A flaw was found in the Linux kernel's SUN Remote Procedure Call SUNRPC implementation. A use-after-free vulnerability exists in the Transport Layer Security TLS connection path. When a TLS handshake fails, the client resource can be prematurely freed, leading to a subsequent attempt to access th...

kernel: SUNRPC: pin upper rpc_clnt across the TLS connect_worker

A flaw was found in the Linux kernel's SUN Remote Procedure Call SUNRPC implementation. A use-after-free vulnerability exists in the Transport Layer Security TLS connection path. When a TLS handshake fails, the client resource can be prematurely freed, leading to a subsequent attempt to access th...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500374)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500374 advisory. - mptcp: fix bad accounting in mptcpsubflowpushpending Paolo Abeni Orabug: 40078583 CVE-2026-97522 - mptcp: close race between scheduler and sta...

Unbreakable Enterprise kernel security update

6.12.0-207.111.5.1 - selftests/mm/khugepaged: include kselftest.h in khugepaged Sherry Yang Orabug: 40099804 6.12.0-207.111.5 - Rename ONOS kernel flavor to OSP for OL9 and OL10 Vijay Kumar Orabug: 40055216 - tcp: Remove hashinfo test for inet6?lookuprunsklookup. Kuniyuki Iwashima Orabug: 4005230...

ROS-20261006-73-0137

The vulnerability of the sunrpc component in the Linux operating system’s kernel is related to the failure to release resources after their useful life has expired. Exploiting this vulnerability can allow an attacker to cause service failures...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: hardened gsskrb5unwrapv2 against short tokens. The gsskrb5unwrapv2 function 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. Its helper...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Check the return value of rpcsockaddr2uaddr in rpcbregisterinet4/6. rpcbregisterinet4 and rpcbregisterinet6 store the result of rpcsockaddr2uaddr into map-raddr without checking if it is NULL. rpcsockaddr2uaddr returns NU...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the WQMEMRECLAIM warning When sunrpc is used, if a reset occurs, our workqueue may result in the following call trace: workqueue: WQMEMRECLAIM xprtiod: xprtrdmaconnectworker rpcrdma is being flushed! WQMEMRECLAIM...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows This fix prevents svcrdmabuildwrites from exceeding the end of a Write chunk’s segment array. This issue was identified using KASAN. The test that this fix replaces is invalid; it may have...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the svcdeferredevent trace class. Fixed a NULL dereference crash that occurs when an svcrqst is deferred, while the sunrpc tracing subsystem is enabled. svcrevisit sets dr-xprt to NULL, so it cannot be relied upon i...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: SUNRPC: Fixed a suspicious RCU usage warning I received the following warning while running cthon on an Ontap server running pNFS: 57.202521 ============================= 57.202522 WARNING: Suspicious RCU usage 57.202523...