CVE-2026-53355

A flaw was found in the Linux kernel's Reliable Datagram Sockets RDS over InfiniBand IB connection teardown process. When the rdsibsetupqp function fails to set up a connection, it may free a memory allocation isends without properly clearing the associated pointer. This can lead to a stale point...

USN-8488-1 linux, linux-aws, linux-gcp, linux-ibm, linux-oracle, linux-realtime vulnerabilities

It was discovered that some AMD processors did not properly clear data in the floating point divider unit during speculative execution. A local attacker could use this to expose sensitive information. CVE-2025-54505 Several security issues were discovered in the Linux kernel. An attacker could...

EUVD-2026-40989

In the Linux kernel, the following vulnerability has been resolved: net: rds: clear isends on setup unwind The RDS IB connection teardown path is written so it can run during partial startup and on repeated shutdown attempts. It uses NULL pointers to distinguish resources that are still owned fro...

kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()

A flaw was found in the Linux kernel's RDMA/mlx5 component. An error path fall-through in the mlx5ibdevressrqinit function, specifically when ibcreatesrq fails, can lead to the use of freed memory and error pointers. This memory corruption vulnerability could result in system instability, denial ...

kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()

A flaw was found in the Linux kernel's RDMA/mlx5 component. An error path fall-through in the mlx5ibdevressrqinit function, specifically when ibcreatesrq fails, can lead to the use of freed memory and error pointers. This memory corruption vulnerability could result in system instability, denial ...

kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()

A flaw was found in the Linux kernel's RDMA/mlx5 component. An error path fall-through in the mlx5ibdevressrqinit function, specifically when ibcreatesrq fails, can lead to the use of freed memory and error pointers. This memory corruption vulnerability could result in system instability, denial ...

CVE-2026-53077

A flaw was found in the Linux kernel's Reliable Datagram Sockets over InfiniBand RDS/IB component. This vulnerability allowed the use of RDS/IB in network namespaces other than the initial one, where the existing code would not function correctly. This improper operation could lead to unexpected...

CVE-2026-53186

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: bound SRPRSP sense copy by the received length srpprocessrsp copies sense data from rsp-data + respdatalen, where respdatalen is the full 32-bit value supplied by the SRP target and is never checked against the number o...

UBUNTU-CVE-2026-53186

In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: bound SRPRSP sense copy by the received length srpprocessrsp copies sense data from rsp-data + respdatalen, where respdatalen is the full 32-bit value supplied by the SRP target and is never checked against the number o...

CVE-2026-53188

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Validate the passed in fops for ibgetucaps Sashiko pointed out it is not safe to rely only on the devt because char/block alias so if the user finds a block device with the same devt it can masquerade as a ucap cdev fd...

EUVD-2026-39267

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

CVE-2026-53176 IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN

In the Linux kernel, the following vulnerability has been resolved: IB/isert: Reject login PDUs shorter than ISERHEADERSLEN In drivers/infiniband/ulp/isert/ibisert.c, isertloginrecvdone computes the login request payload length as wc-bytelen minus ISERHEADERSLEN with no lower bound, and loginreql...

EUVD-2026-38945

In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces...

CVE-2026-53077 net/rds: Restrict use of RDS/IB to the initial network namespace

In the Linux kernel, the following vulnerability has been resolved: net/rds: Restrict use of RDS/IB to the initial network namespace Prevent using RDS/IB in network namespaces other than the initial one. The existing RDS/IB code will not work properly in non-initial network namespaces...

CVE-2026-52939

A flaw was found in the Linux kernel's Reliable Datagram Sockets RDS component. An unprivileged local user can trigger a kernel panic by sending a specially crafted atomic control message cmsg over an active RDS/InfiniBand IB connection. This issue is caused by improper handling of masked atomic...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fixed the issue “KASAN: slab-use-after-free Read in ibdevicerename”. Call Trace: dumpstack: lib/dumpstack.c:94 inline dumpstacklvl+0x116/0x1f0: lib/dumpstack.c:120 printaddressdescription: mm/kasan/report.c:408 inline...

PT-2026-51971

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/rds component where the RDS/IB Reliable Datagram Sockets over InfiniBand code does not function correctly when used in network namespaces other than the initia...

Linux Distros Unpatched Vulnerability : CVE-2026-52939

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 NULL deref in rdsibsendcqehandler on masked atomic completion rdsibxmitatomic always programs a masked atomic opcode IBWRMASKEDATOMICCMPANDSWP or...

Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel before version 5.10. The file drivers/infiniband/core/ucma.c contains a use-after-free, as the context of the ctx variable is accessed through ctxlist in certain situations where ucmamigrateid is called, specifically when ucmaclose is invoked. This issue...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Only IB representatives are reloaded when lag is disabled/enabled. When lag is disabled, the bond’s IB device, along with all its representatives, are destroyed. Then, the slaves’ representatives are reloaded. If the...