Unity Linux 20.1070e Security Update: kernel (UTSA-2025-990025)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990025 advisory. In the Linux kernel, the following vulnerability has been resolved: xen: Fix the issue of resource not being properly released in xenbusdevprobe This patch fixes an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: perf/core: Early exit occurs when perfmmap fails. When perfmmap fails to allocate a buffer, it still invokes the eventmapped callback of the related event. On X86 architecture, this may increase the perfrdpmcallowed reference...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfreject: Do not leak the destination refcount for loopback packets. Recent patches that added a warning when replacing the skb dst entry fixed an old bug. WARNINGS: - include/linux/skbuff.h:1165: skbdstcheckunset →...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: eventpoll: Do not decrement the ep refcount while still holding the ep mutex. Jann Horn points out that epoll decrements the ep refcount and then performs mutexunlock&ep-mtx. This is incorrect, as it can lead to a use-after-free...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: rose: convert ‘use’ field to refcountt The use field in the struct roseneigh structure is used as a reference counter, but it lacks atomicity. This can lead to race conditions, where a roseneigh structure is freed while stil...

smb: client: Fix refcount leak for cifs_sb_tlink

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EUVD-2025-36975

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

CVE-2025-40103

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

CVE-2025-40103 smb: client: Fix refcount leak for cifs_sb_tlink

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifssbtlink Fix three refcount inconsistency issues related to cifssbtlink. Comments for cifssbtlink state that cifsputtlink needs to be called after successful calls to cifssbtlink. Three calls...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a reference count leak in the cifssbtlink function, which could lead to a resource leak...

EUVD-2025-36464

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

Oracle Linux 9 : kernel (ELSA-2025-19105)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-19105 advisory. - pstore/ram: Check start of empty przs during init CKI Backport Bot RHEL-122067 CVE-2023-53331 - vsock/virtio: Validate length in packet header befor...

kernel: Linux kernel: Denial of Service via resource leak in SMB2 compound operations

A flaw was found in the Linux kernel. An inconsistent update of the reference count in the smb2compoundop function, particularly during memory allocation failures, could lead to resource leaks. A local attacker could exploit this to cause a Denial of Service DoS by exhausting system resources...

EUVD-2022-54538

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix requestsock leak in sk lookup helpers A customer reported a requestsocket leak in a Calico cloud environment. We found that a BPF program was doing a socket lookup with takes a refcnt on the socket and that it was findin...

SUSE CVE-2022-50576

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fix PCI device refcount leak in pchrequestdma As comment of pcigetslot says, it returns a pcidevice with its refcount increased. The caller must decrement the reference count by calling pcidevput. Since 'dmadev' is...

EUVD-2023-60016

In the Linux kernel, the following vulnerability has been resolved: ARM: 9317/1: kexec: Make smp stop calls asynchronous If a panic is triggered by a hrtimer interrupt all online cpus will be notified and set offline. But as highlighted by commit 19dbdcb8039c "smp: Warn on function calls from...

EUVD-2023-60018

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix error code of return in mt7921acpiread Kernel NULL pointer dereference when ACPI SAR table isn't implemented well. Fix the error code of return to mark the ACPI SAR table as invalid. 5.077128 mt7921e...

EUVD-2023-60023

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6findtlv optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center...

EUVD-2022-55671

In the Linux kernel, the following vulnerability has been resolved: pinctrl: thunderbay: fix possible memory leak in thunderbaybuildfunctions The thunderbayaddfunctions will free memory of thunderbayfuncs when everything is ok, but thunderbayfuncs will not be freed when thunderbayaddfunctions...

UBUNTU-CVE-2022-50576

In the Linux kernel, the following vulnerability has been resolved: serial: pch: Fix PCI device refcount leak in pchrequestdma As comment of pcigetslot says, it returns a pcidevice with its refcount increased. The caller must decrement the reference count by calling pcidevput. Since 'dmadev' is...