Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: rose: Fix for timer race conditions against user threads. The Rose timers only acquire the socket spinlock, without checking whether the socket is owned by a specific user thread. Add a check and reinitialize the timers i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: added flushworkqueue to prevent UAF. Our detector identified a bug caused by concurrent use-after-free when detaching a NCI device. The main reason for this bug is the unexpected scheduling between the delayed mechanism...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: netupunidvb: fix use-after-free at deltimer When the Universal DVB card is being detached, netupunidvbdmafini uses deltimer to stop the dma-timeout timer. However, when the timer handler netupunidvbdmatimeout is running,...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: ALSA: Timer – Setting a lower limit on the start tick time Currently, the ALSA timer does not have a lower limit for the start tick time. It allows a very small size, for example, 1 tick with a resolution of 1 ns for the hrtimer...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: - dm integrity: Fixed a UAF Use-after-Free in dmintegritydtr. - dmintegrity also has the same UAF problem when dmresume and dmdestroy are executed concurrently. Therefore, the timer is cancelled again in dmintegritydtr...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ax25: Fixing use-after-free bugs caused by ax25dsdeltimer. When the ax25 device is being detached, the ax25devdevicedown function calls ax25dsdeltimer to clean up the slavetimer. When the timer handler is running, the...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Drivers: Staging: rtl8192bs: Fixed a deadlock in rtwjoinbsseventprehandle. There is a deadlock in rtwjoinbsseventprehandle, as shown below: Thread 1 | Thread 2 | settimer rtwjoinbsseventprehandle | modtimer spinlockbh //1 | Wait...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: Fixed a panic that occurs when timertype has a garbage value. Currently, when a rule related to IDLETIMER is added, the idletimertg timer structure is initialized using kmalloc during the execution of the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: mmc: vub300 – Fixed the return value check in mmcaddhost. If we ignore the return value of mmcaddhost, the memory allocated in mmcallochost may be leaked, leading to a kernel crash due to the removal of devices that were not...

Astra Linux – Vulnerability in Linux 5.15

A use-after-free vulnerability was discovered in the cyttsp4core driver within the Linux kernel. This issue arises in the device cleanup routine, due to a possible rearming of the watchdogtimer from the workqueue. This could allow a local user to crash the system, resulting in a denial of service...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Watchdog: cpu5wdt.c: Fixed a use-after-free bug caused by cpu5wdttrigger. When the cpu5wdt module is being removed, the original code uses deltimer to deactivate the timer. If the timer handler is still running, deltimer may not ...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a race condition in hidpsessionthread. There is a potential race condition in hidpsessionthread that may lead to a use-after-free. For example, the timer is active while hidpdeltimer is called in hidpsessionthrea...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: Watchdog: Fixed a possible use-after-free by calling deltimersync. The remove function of this driver calls deltimer. However, that function does not wait until the timer handler is finished. This means that the timer handler may...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfmac – Fixed a use-after-free bug in brcmfcfg80211detach. This is the candidate patch for CVE-2023-47233: https://nvd.nist.gov/vuln/detail/CVE-2023-47233 In the brcm80211 driver, the process starts with the following...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Timers for kernel sockets are properly terminated. We received various reports from syzbot that indicated that TCP timers would still fire even after the corresponding netns has been dismantled. Fortunately, Josef Bacik was...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

There are use-after-free vulnerabilities caused by a timer handler in the net/rose/rosetimer.c file of Linux, which allow attackers to crash the Linux kernel without any privileges...

SUSE CVE-2026-89625

In the Linux kernel, the following vulnerability has been resolved: HID: sony: fix UAF of ghlpoketimer / ghlurb at driver unbind For GHL Guitar Hero Live dongles, sonyprobe arms a periodic timer: ghlmagicpoke the timer callback submits sc-ghlurb, and the URB completion ghlmagicpokecb re-arms the...

Linux Distros Unpatched Vulnerability : CVE-2026-89738

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: at91udc: drain polled-VBUS timer/work before udc is freed In polled-VBUS mode board.vbuspin && board.vbuspolled, probe arms a self-restarting cycle...

Linux Distros Unpatched Vulnerability : CVE-2026-89477

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sctp: fix NULL deref on untransmitted RECONF completion sctpprocessstrresetoutreq, sctpprocessstrresetaddstrmout and sctpprocessstrresetresp complete a pending...

CVE-2026-89625

A flaw was found in the Linux kernel's HID Human Interface Device Sony driver, affecting Guitar Hero Live GHL dongles. A race condition occurs during the driver unbinding process where a periodic timer can be re-armed after the memory it uses has been freed. This Use-After-Free UAF vulnerability...