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-2025-37971

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...

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 ...

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...

AZL-54999 CVE-2024-56729 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: smb: Initialize cfid-tcon before performing network ops Avoid leaking a tcon ref when a lease break races with opening the cached directory. Processing the leak break might take a reference to the tcon in cacheddirleasebreak and...

CVE-2024-56749 dlm: fix dlm_recover_members refcount on error

In the Linux kernel, the following vulnerability has been resolved: dlm: fix dlmrecovermembers refcount on error If dlmrecovermembers fails we don't drop the references of the previous created rootlist that holds and keep all rsbs alive during the recovery. It might be not an unlikely event becau...

DEBIAN-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...

SUSE CVE-2024-56549

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Fix NULL pointer dereference in object-file At present, the object-file has the NULL pointer dereference problem in ondemand-mode. The root cause is that the allocated fd and object-file lifetime are inconsistent, and...

DEBIAN-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...

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...

UBUNTU-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...

CVE-2024-56645

Technical details about CVE-2024-56645 are not provided in the supplied documents. Please monitor for updates from official advisories and vendor pages for affected products, impact, and mitigations.

CVE-2024-56645 can: j1939: j1939_session_new(): fix skb reference counting

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...