CVE-2026-74436

A flaw was found in the Linux kernel. A synchronization issue in the rxrpc component, specifically between rxrpckernelchargeaccept and rxrpcdiscardprealloc, can lead to a use-after-free vulnerability. A local attacker could potentially exploit this flaw, causing a kernel preallocation worker to...

CVE-2026-74435

A flaw was found in the rxrpc subsystem of the Linux kernel. This vulnerability occurs when the rxrpcverifydata function fails to allocate a necessary buffer if the incoming data length is zero. An attacker could exploit this by sending specially crafted network packets, leading to a NULL pointer...

CVE-2026-74427

A flaw was found in the AFS Andrew File System component of the Linux kernel. During the teardown of an AFS network namespace, a work item responsible for managing preallocated resources rxrpc call/connection/peer queue may not be properly canceled. This improper resource handling could lead to a...

CVE-2026-72374

A flaw was found in the Linux kernel's AFS filesystem client. The AFS client uses an rxrpc server for callback notifications. Its message parsers incorrectly convert the -EAGAIN return value to 0 when the last packet has not been fully received but all currently queued data is consumed. This...

USN-8629-3 linux-hwe-7.0 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - InfiniBand drivers; - Network drivers; - Network traffic control; - IPv4 networking; - IPv6...

Linux Distros Unpatched Vulnerability : CVE-2026-74435

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: rxrpcverifydata ensure rxdecbuffer alloc rxrpcrecvmsgdata calls rxrpcverifydata whenever the rxrpccall.rxdecbuffer is unallocated and assumes that upon...

Linux Distros Unpatched Vulnerability : CVE-2026-74434

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Don't move a peeked OOB message onto the pending queue rxrpcrecvmsgoob takes a received oob message off recvmsgoobq and, if a response is needed, moves i...

Linux Distros Unpatched Vulnerability : CVE-2026-74429

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix the reception of a reply packet before data transmission Fix rxrpcreceivingreply to handle the reception of an apparent reply DATA packet before rxrp...

Linux Distros Unpatched Vulnerability : CVE-2026-74433

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix UAF in rxgkissuechallenge Fix rxgkissuechallenge to free the page containing the challenge content after invoking the tracepoint as the whdr passed t...

Linux Distros Unpatched Vulnerability : CVE-2026-74431

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix potential infinite loop in rxrpcrecvmsg Fix the wait in rxrpcrecvmsg also take check the oob queue. CVE-2026-74431 Note that Nessus relies on the...

Linux Distros Unpatched Vulnerability : CVE-2026-74430

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix ACKALL packet handling rxrpcinputackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding...

Linux Distros Unpatched Vulnerability : CVE-2026-74432

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix leak of released call in recvmsgMSGPEEK Fix rxrpcrecvmsg to also drop the ref it holds on an already-released call if MSGPEEK is in force the functio...

Linux Distros Unpatched Vulnerability : CVE-2026-74428

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - rxrpc: Fix double unlock in rxrpcrecvmsg Fix a double unlock in rxrpcrecvmsg when dealing with OOB messages. CVE-2026-74428 Note that Nessus relies on the...

Linux Distros Unpatched Vulnerability : CVE-2026-72374

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - afs: Fix callback service message parsers to pass through -EAGAIN The AFS filesystem client uses an rxrpc server to listen for callback notifications. Each...

kernel: rxrpc: Fix RxGK token loading to check bounds

A flaw was found in the Linux kernel's rxrpc subsystem. An unprivileged local user could exploit an integer overflow vulnerability in the rxrpcpreparsexdryfsrxgk function. This flaw occurs when processing specially crafted key and ticket lengths, causing an incorrect memory allocation size...

kernel: rxrpc: Fix potential UAF after skb_unshare() failure

A flaw was found in the Linux kernel's rxrpc subsystem. This vulnerability arises when the system attempts to unshare a packet buffer, and the operation fails due to an allocation issue. This failure can lead to a Use-After-Free UAF condition, where the system attempts to access memory that has...

CVE-2026-74506

In the Linux kernel, the following vulnerability has been resolved: afs: Fix UAF when sending a message In afsmakecall, there's a race with async call reception and destruction. If a call is dispatched that doesn't have call-writeiter set used to specify the data content for FS.StoreData, then th...

CVE-2026-74506

In the Linux kernel, the following vulnerability has been resolved: afs: Fix UAF when sending a message In afsmakecall, there's a race with async call reception and destruction. If a call is dispatched that doesn't have call-writeiter set used to specify the data content for FS.StoreData, then th...

CVE-2026-74430

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix ACKALL packet handling rxrpcinputackall accepts ACKALL packets without checking whether the call is in a state that can legitimately have outstanding transmit buffers. A forged ACKALL can therefore reach a new service...

CVE-2026-74429

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix the reception of a reply packet before data transmission Fix rxrpcreceivingreply to handle the reception of an apparent reply DATA packet before rxrpc has had a chance to send any request DATA packets on a client call ...