CVE-2023-53522

CVE-2023-53522 concerns the Linux kernel, specifically the cgroup/freezer path. The data show a circular locking dependency between cpu_hotplug_lock and freezer_mutex triggered by a rewrite of core freezer logic (commit f5d39b020809) that replaced atomic_inc() with static_branch_inc() in freezer_...

CVE-2023-53522 cgroup,freezer: hold cpu_hotplug_lock before freezer_mutex

In the Linux kernel, the following vulnerability has been resolved: cgroup,freezer: hold cpuhotpluglock before freezermutex syzbot is reporting circular locking dependency between cpuhotpluglock and freezermutex, for commit f5d39b020809 "freezer,sched: Rewrite core freezer logic" replaced atomici...

CVE-2023-53519 media: v4l2-mem2mem: add lock to protect parameter num_rdy

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-mem2mem: add lock to protect parameter numrdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter numrdy when getting the value with function:...

CVE-2023-53455 drm/vc4: drop all currently held locks if deadlock happens

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: drop all currently held locks if deadlock happens If vc4hdmiresetlink returns -EDEADLK, it means that a deadlock happened in the locking context. This situation should be addressed by dropping all currently held locks an...

CVE-2023-53455 drm/vc4: drop all currently held locks if deadlock happens

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: drop all currently held locks if deadlock happens If vc4hdmiresetlink returns -EDEADLK, it means that a deadlock happened in the locking context. This situation should be addressed by dropping all currently held locks an...

CVE-2025-39908

In the Linux kernel, the following vulnerability has been resolved: net: devioctl: take ops lock in hwtstamp lower paths ndo hwtstamp callbacks are expected to run under the per-device ops lock. Make the lower get/set paths consistent with the rest of ndo invocations. Kernel log: WARNING: CPU: 13...

UBUNTU-CVE-2025-39915

In the Linux kernel, the following vulnerability has been resolved: net: phy: transfer phyconfiginband locking responsibility to phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...

CVE-2025-39915 net: phy: transfer phy_config_inband() locking responsibility to phylink

In the Linux kernel, the following vulnerability has been resolved: net: phy: transfer phyconfiginband locking responsibility to phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...

CVE-2025-39915 net: phy: transfer phy_config_inband() locking responsibility to phylink

In the Linux kernel, the following vulnerability has been resolved: net: phy: transfer phyconfiginband locking responsibility to phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...

CVE-2025-39915

Summary: CVE-2025-39915 concerns the Linux kernel: a locking order issue where phy_config_inband() would acquire &pl->phydev->lock while phylink_major_config() had already acquired &pl->state_mutex, creating a potential deadlock when combined with phy_link_up/phy_link_down in the phylink...

CVE-2025-39915

In the Linux kernel, the following vulnerability has been resolved: net: phy: transfer phyconfiginband locking responsibility to phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...

CVE-2025-39915 net: phy: transfer phy_config_inband() locking responsibility to phylink

In the Linux kernel, the following vulnerability has been resolved: net: phy: transfer phyconfiginband locking responsibility to phylink Problem description =================== Lockdep reports a possible circular locking dependency AB/BA between &pl-statemutex and &phy-lock, as follows...

PT-2025-40162

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.0-rc6-01399-g941aae326315 Description The Linux kernel contains a flaw within the DRM/VC4 subsystem related to deadlock handling. Specifically, if vc4 hdmi reset link returns -EDEADLK, indicating a deadlock i...

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 not holding cpuhotpluglock before freezermutex, which could lead to a circular locking dependency...

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 an improper locking order that could lead to a deadlock...

PT-2025-40229

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a circular locking dependency between cpu hotplug lock and freezer mutex within the cgroup freezer subsystem. Specifically, the issue arises from the order in...

Linux Distros Unpatched Vulnerability : CVE-2023-53440

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: fix sysfs interface lifetime The current nilfs2 sysfs support has issues with the timing of creation and deletion of sysfs entries, potentially leading ...

Linux Distros Unpatched Vulnerability : CVE-2025-39877

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/damon/sysfs: fix use-after-free in stateshow stateshow reads kdamond-damonctx without holding damonsysfslock. This allows a use-after-free race: CPU 0 CPU 1...

CVE-2025-39886 bpf: Tell memcg to use allow_spinning=false path in bpf_timer_init()

In the Linux kernel, the following vulnerability has been resolved: bpf: Tell memcg to use allowspinning=false path in bpftimerinit Currently, calling bpfmapkmallocnode from bpfasyncinit can cause various locking issues; see the following stack trace edited for style as one example: ... 10.011566...

CVE-2025-39877 mm/damon/sysfs: fix use-after-free in state_show()

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs: fix use-after-free in stateshow stateshow reads kdamond-damonctx without holding damonsysfslock. This allows a use-after-free race: CPU 0 CPU 1 ----- ----- stateshow damonsysfsturndamonon ctx = kdamond-damonctx;...