CVE-2022-48726

CVE-2022-48726 affects the Linux kernel’s RDMA/ucma code path, specifically a use-after-free in ucma_cleanup_multicast and related flows (ucma_destroy_private_ctx, ucma_write) caused by touching a concurrently freed multicast structure during a multicast leaves operation. The description notes th...

CVE-2022-48726 RDMA/ucma: Protect mc during concurrent multicast leaves

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2022-48726

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

SUSE CVE-2018-14734

drivers/infiniband/core/ucma.c in the Linux kernel through 4.17.11 allows ucmaleavemulticast to access a certain data structure after a cleanup step in ucmaprocessjoin, which allows attackers to cause a denial of service use-after-free...

Unbreakable Enterprise kernel security update

4.14.35-2047.522.3 - ALSA: pcm: oss: Fix race at SNDCTLDSPSYNC Sasha Levin Orabug: 34653896 CVE-2022-3303 - net/rds: Fill in rdsexthdrsize gaps Gerd Rausch Orabug: 34979172 - net/rds: Trigger rdssendhsping more than once Gerd Rausch Orabug: 34607787 - Revert 'RDS: TCP: Track peer's connection...

The vulnerability in the `drivers/infiniband/core/ucma.c` component of the Linux operating system allows a hacker to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability in the Linux operating system’s kernel component, drivers/infiniband/core/ucma.c, relates to the use of memory after it has been freed. Exploiting this vulnerability allows a remote attacker to gain access to confidential data, compromise its integrity, and cause service failure...

kernel security update

2.6.32-754.35.1.0.7.OL6 - bluetooth: eliminate the potential race condition when removing the HCI controller Lin Ma CVE-2021-32399 Orabug: 33763116 - RDMA/ucma: Put a lock around every call to the rdmacm layer Jason Gunthorpe Orabug: 33763116 - RDMA/cma: Add missing locking to rdmaaccept Leon...

GSD-2022-1000667 RDMA/ucma: Protect mc during concurrent multicast leaves

RDMA/ucma: Protect mc during concurrent multicast leaves This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.16.8 by commit...

GSD-2022-1000582 RDMA/ucma: Protect mc during concurrent multicast leaves

RDMA/ucma: Protect mc during concurrent multicast leaves This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.22 by commit...

GSD-2022-1000225 RDMA/ucma: Protect mc during concurrent multicast leaves

RDMA/ucma: Protect mc during concurrent multicast leaves This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.99 by commit...

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges...

RHEL 8 : kpatch-patch (RHSA-2021:4859)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4859 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Security Fixe...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges...

Oracle Linux 7 : kernel (ELSA-2021-4777)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-4777 advisory. - RDMA/ucma: Rework ucmamigrateid to avoid races with destroy Kamal Heib 1978075 CVE-2020-36385 - RDMA/ucma: Fix locking for ctx-eventsreported Kamal Heib 19780...

kernel security and bug fix update

3.10.0-1160.49.1.OL7 - Update Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 = 15-2.0.9 - Update oraclekernel-sig-key...

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges...

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges...

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges...

kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges...