CVE-2026-82677

A flaw was found in valkey-io valkey. A remote attacker could exploit a double free vulnerability in the moduleTimerHandler function within the Module Timer subsystem src/module.c. This flaw could lead to a denial of service. Mitigation Restrict access to high-privilege administrative users capab...

OESA-2026-3706 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved:net: afcan: do not leave a dangling sk pointer in cancreateOn error cancreate frees the allocated sk object, but sockinitdatahas already attached it to the provid...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fixed the issue where the timer for starting a call race against the destruction of the call occurred. The rxrpccall structure contains a timer used to handle various timed events related to a call. This timer can be...

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

In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939xtprxrtssessionactive – The session is deactivated upon receiving the second RTS packet. Since j1939tprxtimer calls j1939sessiondeactivateactivatenext only when the timer is enabled, we need to call this...

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

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Ensure that the limit on the timer ID search loop is valid. The posixtimeradd function attempts to allocate a posix timer ID by starting from the cached ID stored after the last successful allocation. This is done b...

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 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: mrp: Introduced active flags to prevent UAF when the applicant uninit occurs. The caller of deltimersync must prevent the timer from restarting. If we don’t have this synchronization, there is a small probability that the...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: A race condition in rxrpcexitnet has been fixed. The current code may lead to the following race conditions: CPU0 vs. CPU1 c rxrpcexitnet rxrpcpeerkeepaliveworker if rxnet-live rxnet-live = false;...

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

In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fixed a potential refcount underflow for idev. In addrconfmodrstimer, the reference to idev depends on whether rstimer is not pending. Therefore, the timeout of rstimer was modified. There is a time gap in 1 during...

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, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly canceled the timer from tapriodestroy There is a comment in qdisccreate regarding the fact that we do not call ops-reset in some cases. errout4: “Any broken qdisc instances that would require...

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

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: pm: Fixed a UAF in timerdeletesync There are two paths to access mptcppmdeladdtimer, resulting in a race condition: CPU1 CPU2 ==== ==== netrxaction napipoll netlinksendmsg napipoll netlinkunicast processbacklog...

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: rtc: Check whether the rtcreadtime call was successful in rtctimerdowork. If the rtcreadtime call fails, the struct rtctime tm; structure may contain uninitialized data, or an illegal date/time reading from the RTC hardware may...

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 – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: serial: imx: disable Ageing Timer interrupt request irq There might be pending USR interrupts before requesting the IRQ. However, the uartaddoneport function has not been executed, which could lead to a kernel panic. 0.79566...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “sh: push-switch: Reorder cleanup operations to avoid use-after-free bug” The original code placed “flushwork” before “timershutdownsync” in “switchdrvremove”. Although we use “flushwork” to stop the worker, it could be reschedul...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket BUG: KASAN: slab-use-after-free in tcpwritetimerhandler+0x156/0x3e0 Read of size 1 at addr ffff888111f322cd by task swapper/0/0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not...

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 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 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...