CVE-2022-49059 nfc: nci: add flush_workqueue to prevent uaf

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: add flushworkqueue to prevent uaf Our detector found a concurrent use-after-free bug when detaching an NCI device. The main reason for this bug is the unexpected scheduling between the used delayed mechanism timer and...

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 dax not flushing inodes before destroying the cache, which could lead to object residue...

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 parisc architecture not properly handling a page-not-existing condition during a non-access data TLB cac...

PT-2025-25837

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the version containing commit 2def2845cc33 Description The issue is related to the Linux kernel, where an unconditional IO throttle is caused by REQ PREFLUSH. This occurs when a bio with REQ PREFLUSH is submitted...

SUSE CVE-2023-52499

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...

PT-2025-10070

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been resolved, related to the gadget workqueue not being properly cleaned up after device removal. This can lead to new work being scheduled in the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths When the HBA is undergoing a reset or is handling an errata event, NULL pointer dereference may cause crashes in routines such as lpfcsliflushiorings,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: This issue prevents a Use-after-Free UAF condition in xenvifflushhash. During the listforeachentryrcu iteration, when calling xenvifFlushHash, kfreercu does not exist within the rcu read critical section...

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: comedi: Flushing partial mappings in the error case If some remappfnrange calls succeeded before one failed, we still have buffer pages mapped into the user-space page tables when we drop the buffer reference with...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: Fixed a deadlock between mddevsuspend and flushbio. A deadlock occurs when mddev is suspended while some of the flushbio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of t...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dm cache: Fixed the issue where uninitialized delayedwork objects were flushed during a cachectr error. An unexpected WARN message may occur when cache creation fails, caused by destroying the uninitialized delayedwork object ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “cachefiles”: requests are removed from xarray during flushing of requests. Even when the CACHEFILESDEAD flag is set, we can still read the requests. Therefore, in concurrent scenarios, a request may be accessed after it has been...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: mcast: Wait for previous GC cycles when removing a port The syzbot encountered a use-after-free issue1. This issue occurs because the bridge does not ensure that all previous garbage collection cycles are completed...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: virtiopmem: Check the device status before requesting flushing. If a PMEM device is in an invalid state, the driver could wait indefinitely for the host acknowledgment in virtiopmemflush, causing the system to hang. Therefore, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nftables: Unconditionally flushes pending work before the notifier syzbot reports: KASAN: Slab-uaf in nftctxupdate, include/net/netfilter/nftables.h: 1831 KASAN: Slab-uaf in nftcommitrelease,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netlink: terminate outstanding dump on socket close netlink supports iterative dumping of data. It provides the following operations: - start – Optional Initiates the dumping process. - dump – The actual dumping process; this...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bcache: Reverting the change that replaced ISERRORNULL with ISERR. The commit 028ddcac477b “bcache: Removing unnecessary NULL-point checks in node allocations” causes a NULL pointer dereferencing in the cachesetFlush function. c...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iouring: Check whether we need to reschedule during overflow flushing. In terms of normal application usage, this list will always be empty. If an application does experience an overflow, it will have a few entries in this list...

CLSA-2025-1738852812 Fix of 54 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-26595 - mlxsw: spectrumacltcam: Fix NULL pointer dereference in error path CVE-url: https://ubuntu.com/security/CVE-2024-38553/CVE-2024-38597 - netpoll: make ndopollcontroller optional - bonding: use netpollpolldev helper - netpoll: do not test...