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 race condition in the reference counting handling of SRBs in the qla2xxx driver, which could result in a...

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 counting issue in the atmelnandcontrollerinit function...

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. Linux kernel has a security vulnerability that stems from a reference counting problem in the tpmchip structure...

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 the ASoC mediatek driver not properly handling device node reference counting in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: libefc: Fixed potential use after free in efcnportvportdel The krefput function will call nport-release if the reference count drops to zero. The nport-release function is efcnportfree, which frees the “nport” object...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: cachefiles: All requests are flushed after setting CACHEFILESDEAD. In ondemand mode, when the daemon is processing an open request, if the kernel marks the cache as CACHEFILESDEAD, the cachefilesdaemonwrite function will always...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the issue where memory was freed after a session was logged off by the user. There is an issue with the behavior of SMB2 session logging out and SMB2 session setup. This issue causes memory to be freed after a sessio...

The vulnerability of the udmabuf_vm_fault() function in the udmabuf driver (drivers/dma-buf/udmabuf.c) in Linux kernel allows a attacker to compromise data integrity or cause service failures.

The vulnerability of the udmabufvmfault function in the udmabuf driver drivers/dma-buf/udmabuf.c in Linux operating systems is related to a flaw in the counting of the number of references to pages stored in memory. Exploiting this vulnerability can allow an attacker to compromise data integrity ...

SUSE-SU-2025:0239-1 Security update for the Linux Kernel (Live Patch 45 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059164 fixes several issues. The following security issues were fixed: - CVE-2024-36971: Fixed dstnegativeadvice race bsc1226324. - CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk-trans bsc1233712. - CVE-2022-48956...

CVE-2025-21655 io_uring/eventfd: ensure io_eventfd_signal() defers another RCU period

In the Linux kernel, the following vulnerability has been resolved: iouring/eventfd: ensure ioeventfdsignal defers another RCU period ioeventfddosignal is invoked from an RCU callback, but when dropping the reference to the ioevfd, it calls ioeventfdfree directly if the refcount drops to zero. Th...

UBUNTU-CVE-2025-21652

In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix use-after-free in ipvlangetiflink. syzbot presented an use-after-free report 0 regarding ipvlan and linkwatch. ipvlan does not hold a refcnt of the lower device unlike vlan and macvlan. If the linkwatch work is...

SUSE-SU-2025:0138-1 Security update for the Linux Kernel (Live Patch 15 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005568 fixes several issues. The following security issues were fixed: - CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk-trans bsc1233712. - CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1232637. -...

CVE-2024-54680

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix TCP timers deadlock after rmmod Commit ef7134c7fc48 "smb: client: Fix use-after-free of network namespace." fixed a netns UAF by manually enabled socket refcounting sk-sknetrefcnt=1 and sockinuseaddnet, 1. The...

CVE-2024-54680

Summary: Astra Linux security bulletin links CVE-2024-54680 to a CIFS/SMB client issue in the Linux kernel related to TCP timer handling and netns lifetimes. The advisory states that a prior fix (“smb: client: fix TCP timers deadlock after rmmod”) was reverted, which inadvertently reintroduced a ...

CLSA-2025-1736470534 Fix of 32 CVEs

CVE-url: https://ubuntu.com/security/CVE-2021-47466 - mm, slub: fix potential memoryleak in kmemcacheopen CVE-url: https://ubuntu.com/security/CVE-2024-36968 - Bluetooth: L2CAP: Fix div-by-zero in l2capleflowctlinit Bionic update: upstream stable patchset 2021-06-23 LP: 1933375 // CVE- url:...

SUSE CVE-2024-56645

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939sessionnew: fix skb reference counting Since j1939sessionskbqueue does an extra skbget for each new skb, do the same for the initial one in j1939sessionnew to avoid refcount underflow. mkl: clean up commit messag...

PT-2025-37972

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contained an issue in the networking component net: rose related to reference counting of rose neigh structures. The implementation maintained separate reference counts ...

PT-2025-37971

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The 'use' field within the rose neigh structure was not atomic, leading to potential race conditions. Specifically, the structure could be freed while still being referenced, potentially...

CVE-2024-56645

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939sessionnew: fix skb reference counting Since j1939sessionskbqueue does an extra skbget for each new skb, do the same for the initial one in j1939sessionnew to avoid refcount underflow. mkl: clean up commit messag...

SUSE CVE-2024-56718

In the Linux kernel, the following vulnerability has been resolved: net/smc: protect link down work from execute after lgr freed link down work may be scheduled before lgr freed but execute after lgr freed, which may result in crash. So it is need to hold a reference before shedule link down work...