PT-2023-36773

Уязвимость функции ttc timer probe модуля drivers/clocksource/timer-cadence-ttc.c ядра операционной системы Linux связана с неправильным освобождением памяти. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

B.A.T.M.A.N. Linux DoS

The vulnerability of the B.A.T.M.A.N. network interface in the Linux operating system is related to incorrect synchronization between the processes of removing network devices and executing delayed tasks in the batadvdatstarttimer function within the distributedarptable.c module. Exploiting this...

CVE-2023-24826 Usage of Uninitialized Timer during forwarding of Fragments with SFR

RIOT-OS, an operating system for Internet of Things IoT devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send crafted frames to the device to trigger the usage of an uninitialized object leading to denial of service. This issu...

kernel: dm thin: Fix UAF in run_timer_softirq()

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix UAF in runtimersoftirq When dmresume and dmdestroy are concurrent, it will lead to UAF, as follows: BUG: KASAN: use-after-free in runtimers+0x173/0x710 Write of size 8 at addr ffff88816d9490f0 by task swapper/0/0 Cal...

kernel: dm integrity: Fix UAF in dm_integrity_dtr()

A use-after-free vulnerability was found in the Linux kernel's device mapper integrity subsystem. When dmresume and dmdestroy execute concurrently, a timer may fire and access freed memory because dmintegritydtr did not properly cancel the timer before freeing resources. The fix adds an additiona...

kernel: dm cache: Fix UAF in destroy()

In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in destroy...

kernel: KVM: x86/xen: Initialize Xen timer only once

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/xen: Initialize Xen timer only once Add a check for existing xen timers before initializing a new one. Currently kvmxeninittimer is called on every KVMXENVCPUATTRTYPETIMER, which is causing the following ODEBUG crash whe...

kernel: dm cache: Fix UAF in destroy()

In the Linux kernel, the following vulnerability has been resolved: dm cache: Fix UAF in destroy Dmcache also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in destroy...

kernel: Bluetooth: use hdev->workqueue when queuing hdev->{cmd,ncmd}_timer works

n the Linux kernel’s Bluetooth subsystem there is a flaw in the way Bluetooth HCI work items are queued. Under certain conditions, work associated with command timeouts hdev-cmd,ncmdtimer could be scheduled on the wrong workqueue while the intended workqueue is being drained. This occurs because...

kernel: dm integrity: Fix UAF in dm_integrity_dtr()

A use-after-free vulnerability was found in the Linux kernel's device mapper integrity subsystem. When dmresume and dmdestroy execute concurrently, a timer may fire and access freed memory because dmintegritydtr did not properly cancel the timer before freeing resources. The fix adds an additiona...

kernel: dm clone: Fix UAF in clone_dtr()

A use-after-free vulnerability was found in the device-mapper clone target. When dmresume and dmdestroy execute concurrently, a timer may fire after the clone target structure has been freed, leading to use-after-free...

kernel: rxrpc: fix a race in rxrpc_exit_net()

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix a race in rxrpcexitnet Current code can lead to the following race: CPU0 CPU1 rxrpcexitnet rxrpcpeerkeepaliveworker if rxnet-live rxnet-live = false; deltimersync&rxnet-peerkeepalivetimer;...

kernel: dm thin: Fix UAF in run_timer_softirq()

In the Linux kernel, the following vulnerability has been resolved: dm thin: Fix UAF in runtimersoftirq When dmresume and dmdestroy are concurrent, it will lead to UAF, as follows: BUG: KASAN: use-after-free in runtimers+0x173/0x710 Write of size 8 at addr ffff88816d9490f0 by task swapper/0/0 Cal...

CLSA-2023-1682711913 kernel: Fix of 7 CVEs

mISDN: fix use-after-free bugs in l1oip timer handlers CVE-2022-3565 - media: rc: Fix use-after-free bugs caused by enetxirqsim CVE-2023-1118 - Bluetooth: btsdio: fix use after free bug in btsdioremove due to unfinished work CVE-2023-1989 - proc: procskipspaces shouldn't think it is working on C...

CLSA-2023-1682711481 kernel: Fix of 7 CVEs

mISDN: fix use-after-free bugs in l1oip timer handlers CVE-2022-3565 - media: rc: Fix use-after-free bugs caused by enetxirqsim CVE-2023-1118 - Bluetooth: btsdio: fix use after free bug in btsdioremove due to unfinished work CVE-2023-1989 - proc: procskipspaces shouldn't think it is working on C...

PT-2023-4320

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free vulnerability was found in the cxgb4 driver. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flower stats timer from the work queue...

Read The Manual Locker: A Private RaaS Provider

Read The Manual Locker: A Private RaaS Provider By Trellix · April 13, 2023 This blog was written by Max Kersten The underground intelligence was obtained byN074B07. Another day, another ransomware-as-a-service RaaS provider, or so it seems. We’ve observed the “Read The Manual” RTM Locker gang,...

PT-2025-53197

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists within the hidp session thread function, potentially leading to a use-after-free issue. Specifically, the timer may remain active while hidp del timer is invoked...

CBL Mariner 2.0 Security Update: kernel (CVE-2022-2318)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2022-2318 advisory. - There are use-after-free vulnerabilities caused by timer handler in net/rose/rosetimer.c of linux that allow...

PT-2025-37660

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the netup unidvb driver when a Universal DVB card is detached. Specifically, the del timer function may not successfully stop the...