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 improper use of memcg in the bpftimerinit function, which could lead to double-acquisition locking and...

SUSE CVE-2021-47209

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Prevent dead task groups from regaining cfsrq's Kevin is reporting crashes which point to a use-after-free of a cfsrq in updateblockedaverages. Initial debugging revealed that we've live cfsrq's onlist=1 in an about t...

mISDN: hfcpci: Fix warning when deleting uninitialized timer

...

SUSE CVE-2025-39859

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

AZL-67563 CVE-2025-39863 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work The brcmfbtcoexdetach only shuts down the btcoex timer, if the flag timeron is false. However, the brcmfbtcoextimerfunc, which runs as timer handler, sets...

CVE-2025-39863

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work The brcmfbtcoexdetach only shuts down the btcoex timer, if the flag timeron is false. However, the brcmfbtcoextimerfunc, which runs as timer handler, sets...

AZL-67569 CVE-2025-39859 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

CVE-2025-39859

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

DEBIAN-CVE-2025-39859

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

UBUNTU-CVE-2025-39863

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work The brcmfbtcoexdetach only shuts down the btcoex timer, if the flag timeron is false. However, the brcmfbtcoextimerfunc, which runs as timer handler, sets...

UBUNTU-CVE-2025-39859

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

CVE-2025-39863 wifi: brcmfmac: fix use-after-free when rescheduling brcmf_btcoex_info work

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work The brcmfbtcoexdetach only shuts down the btcoex timer, if the flag timeron is false. However, the brcmfbtcoextimerfunc, which runs as timer handler, sets...

CVE-2025-39863 wifi: brcmfmac: fix use-after-free when rescheduling brcmf_btcoex_info work

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work The brcmfbtcoexdetach only shuts down the btcoex timer, if the flag timeron is false. However, the brcmfbtcoextimerfunc, which runs as timer handler, sets...

CVE-2025-39863

CVE-2025-39863 affects the Linux kernel’s wifi/brcmfmac path, specifically a use-after-free in brcmf_btcoex_info handling. The vulnerability arises from a race between brcmf_btcoex_detach() and brcmf_btcoex_timerfunc(): the timer handler can set timer_on to false while a detach is in progress, ca...

CVE-2025-39859 ptp: ocp: fix use-after-free bugs causing by ptp_ocp_watchdog

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

CVE-2025-39859 ptp: ocp: fix use-after-free bugs causing by ptp_ocp_watchdog

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

CVE-2025-39859

CVE-2025-39859 : In the Linux kernel, a race condition can cause a use-after-free when the timer watchdog used by ptp_ocp_watchdog is running during devlink deallocation. The flaw occurs because ptp_ocp_detach() only cancels the watchdog if it is pending; if the timer handler is active, timer_del...

CVE-2025-39859 ptp: ocp: fix use-after-free bugs causing by ptp_ocp_watchdog

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

PT-2025-38550

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The set track prepare function in the Linux kernel can incur lock recursion. This issue arises when called from hrtimer start range ns while holding the per cpuhrtimer basesn.lock. When...

Linux Distros Unpatched Vulnerability : CVE-2023-53395

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer ACPICA commit 90310989a0790032f5a0140741ff09b545af4bc5 According to the ACPI specification 19.6.134, no argument i...