UBUNTU-CVE-2023-53489

In the Linux kernel, the following vulnerability has been resolved: tcp/udp: Fix memleaks of sk and zerocopy skbs with TX timestamp. syzkaller reported 0 memory leaks of an UDP socket and ZEROCOPY skbs. We can reproduce the problem with these sequences: sk = socketAFINET, SOCKDGRAM, 0...

UBUNTU-CVE-2023-53520

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix hcisuspendsync crash If hciunregisterdev frees the hcidev object but hcisuspendnotifier may still be accessing it, it can cause the program to crash. Here's the call trace: 102152.653246 Call Trace: 102152.653254...

CVE-2023-53501 iommu/amd/iommu_v2: Fix pasid_state refcount dec hit 0 warning on pasid unbind

In the Linux kernel, the following vulnerability has been resolved: iommu/amd/iommuv2: Fix pasidstate refcount dec hit 0 warning on pasid unbind When unbinding pasid - a race condition exists vs outstanding page faults. To prevent this, the pasidstate object contains a refcount. set to 1 on pasid...

CVE-2022-50457 mtd: core: Fix refcount error in del_mtd_device()

In the Linux kernel, the following vulnerability has been resolved: mtd: core: Fix refcount error in delmtddevice delmtddevice will call ofnodeput to mtdgetofnodemtd, which is mtd-dev.ofnode. However, memset&mtd-dev, 0 is called before ofnodeput. As the result, ofnodeput won't do anything in...

CVE-2022-50444 clk: tegra20: Fix refcount leak in tegra20_clock_init

In the Linux kernel, the following vulnerability has been resolved: clk: tegra20: Fix refcount leak in tegra20clockinit offindmatchingnode returns a node pointer with refcount incremented, we should use ofnodeput on it when not need anymore. Add missing ofnodeput to avoid refcount leak...

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 the pasidstate reference count not being handled correctly when it is decremented to 0, which could lead to ...

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 a missing ofnodeput call that could lead to a reference count leak...

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 a reference count leak error in the oflpddr3getddrtimings function, which could lead to a memory leak...

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 a missing ofnodeput call that could lead to a reference count leak...

Vulnerability of components in the Linux operating system’s kernel microchip, allowing a hacker to cause a service failure

The vulnerability of components in the Linux operating system’s kernel microchip is related to improper memory release before removing the last reference. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the spufs component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the spufs component in the Linux operating system’s kernel is related to improper memory release before deleting the last reference. Exploiting this vulnerability can allow an attacker to cause a service failure...

CVE-2025-39871

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Remove improper idxdfree The call to idxdfree introduces a duplicate putdevice leading to a reference count underflow: refcountt: underflow; use-after-free. WARNING: CPU: 15 PID: 4428 at lib/refcount.c:28...

CVE-2025-39882 drm/mediatek: fix potential OF node use-after-free

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: fix potential OF node use-after-free The foreachchildofnode helper drops the reference it takes to each node as it iterates over children and an explicit ofnodeput is only needed when exiting the loop early. Drop th...

CVE-2025-39882: Use After Free

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: fix potential OF node use-after-free The foreachchildofnode helper drops the reference it takes to each node as it iterates over children and an explicit ofnodeput is only needed when exiting the loop early. Drop th...

net: rose: include node references in rose_neigh refcount

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fs/smb: Fix inconsistent refcnt update

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PT-2025-46747

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the ext4 filesystem related to extended attribute xattr handling. Specifically, a race condition can occur during xattr updates, leading to an EA...

SUSE CVE-2023-53381

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4sscumountitem The reference count of nfsd4sscumountitem is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file. This patch...

SUSE CVE-2023-53443

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pmruntimeresumeandget to prevent refcnt leak In arizonaclk32kenable, we should use pmruntimeresumeandget as pmruntimegetsync will increase the refcnt even when it returns an error...

CVE-2023-53381

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix leaked reference count of nfsd4sscumountitem The reference count of nfsd4sscumountitem is not decremented on error conditions. This prevents the laundromat from unmounting the vfsmount of the source file. This patch...