PT-2026-43920

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Reliable Datagram Sockets RDS implementation of the Linux kernel. In the rds rdma map function, memory region MR ownership of scatter-gather lists and pages is...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013841)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013841 advisory. In the Linux kernel, the following vulnerability has been resolved: net: rds: don't hold sock lock when cancelling work from rdstcpresetcallbacks syzbot is reporting...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013386)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013386 advisory. An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rdstcpkillsock in net/rds/tcp.c that will cause denial of...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013297)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013297 advisory. An issue was discovered in the Linux kernel 4.4.x before 4.4.195. There is a NULL pointer dereference in rdstcpkillsock in net/rds/tcp.c that will cause denial of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007593)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007593 advisory. In the Linux kernel, the following vulnerability has been resolved: net: rds: don't hold sock lock when cancelling work from rdstcpresetcallbacks syzbot is reporting...

Unbreakable Enterprise kernel security update

5.4.17-2136.354.4.1 - Revert 'rds: Drop rds conn in connect worker if not in down state.' Alok Tiwari Orabug: 39200399 5.4.17-2136.354.4 - macvlan: fix possible UAF in macvlanforwardsource Eric Dumazet Orabug: 38887731 CVE-2026-23001 - macvlan: Use 'hash' iterators to simplify code Christophe...

Unbreakable Enterprise kernel security update

6.12.0-201.74.2.1 - Revert 'rds: Drop rds conn in connect worker if not in down state.' Vijayendra Suman Orabug: 39200413 - iouring/kbuf: check if target buffer list is still legacy on recycle Jens Axboe Orabug: 39202438 - ipv6: use RCU in ip6xmit Eric Dumazet Orabug: 39202432 CVE-2025-40135 - ds...

EUVD-2026-21950

In the Linux kernel, the following vulnerability has been resolved: rds: ib: reject FRMR registration before IB connection is established rdsibgetmr extracts the rdsibconnection from conn-ctransportdata and passes it to rdsibregfrmr for FRWR memory registration. On a fresh outgoing connection, ic...

CVE-2026-31425

In the Linux kernel, the following vulnerability has been resolved: rds: ib: reject FRMR registration before IB connection is established rdsibgetmr extracts the rdsibconnection from conn-ctransportdata and passes it to rdsibregfrmr for FRWR memory registration. On a fresh outgoing connection, ic...

CVE-2026-31425

In the Linux kernel, the following vulnerability has been resolved: rds: ib: reject FRMR registration before IB connection is established rdsibgetmr extracts the rdsibconnection from conn-ctransportdata and passes it to rdsibregfrmr for FRWR memory registration. On a fresh outgoing connection, ic...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006645)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006645 advisory. In the Linux kernel, the following vulnerability has been resolved: rds: sysctl: rdstcprcv,sndbuf: avoid using current-nsproxy As mentioned in a previous commit of...

Linux Distros Unpatched Vulnerability : CVE-2026-23419

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while...

EUVD-2026-18636

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while holding the socket lock:...

CVE-2026-23419

A flaw was found in the Linux kernel's net/rds module. This vulnerability involves a circular locking dependency within the rdstcptune function. The issue arises when the sknetrefcntupgrade function performs memory allocation while a socket lock is held, creating a deadlock with the fsreclaim loc...

CVE-2026-23419

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while holding the socket lock:...

UBUNTU-CVE-2026-23419

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while holding the socket lock:...

CVE-2026-23419 net/rds: Fix circular locking dependency in rds_tcp_tune

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while holding the socket lock:...

CVE-2026-23419 net/rds: Fix circular locking dependency in rds_tcp_tune

In the Linux kernel, the following vulnerability has been resolved: net/rds: Fix circular locking dependency in rdstcptune syzbot reported a circular locking dependency in rdstcptune where sknetrefcntupgrade is called while holding the socket lock:...

CVE-2026-23419

CVE-2026-23419 affects the Linux kernel’ s RDS implementation. The issue is a circular locking dependency in net/rds: a memory allocation performed inside the socket lock during the call to sk_net_refcnt_upgrade() creates a deadlock with fs_reclaim. The root cause is that sk_net_refcnt_upgrade() ...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a cyclic lock dependence in the rdstcptune function, potentially leading to deadlocks...