CVE-2022-50323 net: do not sense pfmemalloc status in skb_append_pagefrags()

In the Linux kernel, the following vulnerability has been resolved: net: do not sense pfmemalloc status in skbappendpagefrags skbappendpagefrags is used by afunix and udp sendpage implementation so far. In commit 326140063946 "tcp: TX zerocopy should not sense pfmemalloc status" we explained why ...

UBUNTU-CVE-2025-38413

In the Linux kernel, the following vulnerability has been resolved: virtio-net: xsk: rx: fix the frame's length check When calling buftoxdp, the len argument is the frame data's length without virtio header's length vi-hdrlen. We check that len with xskpoolgetrxframesize + vi-hdrlen to ensure the...

kernel: vsock: Fix sk_error_queue memory leak

In the Linux kernel, the following vulnerability has been resolved: vsock: Fix skerrorqueue memory leak Kernel queues MSGZEROCOPY completion notifications on the error queue. Where they remain, until explicitly recved. To prevent memory leaks, clean up the queue when the socket is destroyed...

PT-2026-42451

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the Reliable Delivery Service RDS implementation of the Linux kernel. When the iov iter get pages2 function fails within rds message zcopy from user, the...

Linux Distros Unpatched Vulnerability : CVE-2024-26640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity checks to rx zerocopy TCP rx zerocopy intent is to map pages initially...

Linux Distros Unpatched Vulnerability : CVE-2022-48689

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing ...

Medium: grpc

Issue Overview: There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPCARGTCPTXZEROCOPYENABLED can experience data corruption issues. The data sent by the application may be corrupted before transmission...

PT-2025-34362

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The Linux kernel TLS implementation does not properly handle situations where data is read from the TCP socket before the TLS ULP is installed, or when non-standard read APIs like...

OESA-2024-2573 grpc security update

gRPC is a modern open source high performance RPC framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication. It is also applicable in last mile of distributed...

DEBIAN-CVE-2024-53117

In the Linux kernel, the following vulnerability has been resolved: virtio/vsock: Improve MSGZEROCOPY error handling Add a missing kfreeskb to prevent memory leaks...

AZL-53456 CVE-2024-11407 affecting package grpc for versions less than 1.62.0-4

There exists a denial of service through Data corruption in gRPC-C++ - gRPC-C++ servers with transmit zero copy enabled through the channel arg GRPCARGTCPTXZEROCOPYENABLED can experience data corruption issues. The data sent by the application may be corrupted before transmission over the network...

kernel: tcp: add sanity checks to rx zerocopy

A vulnerability was found in Linux Kernel where rx zerocopy feature allowed mapping of pages owned by the filesystem, leading to potential system panic which is caused by the lack of sanity checks to rx zerocopy. A local authenticated attacker could exploit this vulnerability to cause a denial of...

kernel: tcp: add sanity checks to rx zerocopy

A vulnerability was found in Linux Kernel where rx zerocopy feature allowed mapping of pages owned by the filesystem, leading to potential system panic which is caused by the lack of sanity checks to rx zerocopy. A local authenticated attacker could exploit this vulnerability to cause a denial of...

SUSE CVE-2022-48819

In the Linux kernel, the following vulnerability has been resolved: tcp: take care of mixed splice/sendmsgMSGZEROCOPY case syzbot found that mixing sendpage and sendmsgMSGZEROCOPY calls over the same TCP socket would again trigger the infamous warning in inetsockdestruct WARNONskforwardallocgetsk...

DEBIAN-CVE-2022-48819

In the Linux kernel, the following vulnerability has been resolved: tcp: take care of mixed splice/sendmsgMSGZEROCOPY case syzbot found that mixing sendpage and sendmsgMSGZEROCOPY calls over the same TCP socket would again trigger the infamous warning in inetsockdestruct WARNONskforwardallocgetsk...

UBUNTU-CVE-2022-48819

In the Linux kernel, the following vulnerability has been resolved: tcp: take care of mixed splice/sendmsgMSGZEROCOPY case syzbot found that mixing sendpage and sendmsgMSGZEROCOPY calls over the same TCP socket would again trigger the infamous warning in inetsockdestruct WARNONskforwardallocgetsk...

CVE-2022-48819

Summary: CVE-2022-48819 affects the Linux kernel TCP path. When mixing sendpage() data and MSG_ZEROCOPY via the same socket, a warning in inet_sock_destruct() (sk_forward_alloc_get(sk)) could be triggered, due to the sendpage() path being forgotten in zerocopy handling and the need to keep zeroco...

kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags

In the Linux kernel, the following vulnerability has been resolved: skbuff: skbsegment, Call zero copy functions before using skbuff frags Commit bf5c25d60861 "skbuff: in skbsegment, call zerocopy functions once per nskb" added the call to zero copy functions in skbsegment. The change introduced ...

SUSE CVE-2022-48689

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...

DEBIAN-CVE-2022-48689

In the Linux kernel, the following vulnerability has been resolved: tcp: TX zerocopy should not sense pfmemalloc status We got a recent syzbot report 1 showing a possible misuse of pfmemalloc page status in TCP zerocopy paths. Indeed, for pages coming from user space or other layers, using...