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...

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

...

fs/smb: Fix inconsistent refcnt update

...

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...

DEBIAN-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-2023-53445 net: qrtr: Fix a refcount bug in qrtr_recvmsg()

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix a refcount bug in qrtrrecvmsg Syzbot reported a bug as following: refcountt: addition on 0; use-after-free. ... RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 ... Call Trace: refcountadd...

CVE-2022-50401 nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure

In the Linux kernel, the following vulnerability has been resolved: nfsd: under NFSv4.1, fix double svcxprtput on rpccreate failure On error situation clp-clcbconn.cbxprt should not be given a reference to the xprt otherwise both client cleanup and the error handling path of the caller call to pu...

CVE-2022-50401 nfsd: under NFSv4.1, fix double svc_xprt_put on rpc_create failure

In the Linux kernel, the following vulnerability has been resolved: nfsd: under NFSv4.1, fix double svcxprtput on rpccreate failure On error situation clp-clcbconn.cbxprt should not be given a reference to the xprt otherwise both client cleanup and the error handling path of the caller call to pu...

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...

DEBIAN-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...

UBUNTU-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...