Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the gethfree function in the USB gadget subset not decrementing the reference count. As a result,...

PT-2026-39099

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A refcount underflow occurs in the scx cgroup init function due to a redundant call to css put in the error path. The iterator css for each descendant pre traverses the cgroup hierarchy...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a redundant cssput call in the schedext module’s scxcgroupinit function. This vulnerability may...

PT-2026-38994

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An unbalanced reference count occurs in the f subset USB gadget driver. The geth alloc function increments the reference count, but the geth free function fails to decrement it. This iss...

PT-2026-39016

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A power management PM runtime leak exists in the bh1780 light sensor driver. The issue occurs because the pm runtime put autosuspend function is not called on the error path following a ...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a reference leak during PM runtime on an incorrect path. This could lead to the reference count...

SUSE CVE-2026-43106

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefilescull The patch mentioned below changed cachefilesburyobject to expect 2 references to the 'rep' dentry. Three of the callers were changed to use startremovingdentry which tak...

CVE-2026-43193

A flaw was found in the Linux kernel's Network File System Daemon nfsd. A reference count leak in the nfsdgetdirdeleg function can lead to resource exhaustion. This vulnerability, if repeatedly triggered, may allow an attacker to cause a Denial of Service DoS by consuming available system resourc...

CVE-2026-43090

A flaw was found in the Linux kernel. A memory leak can occur in the xfrm IP eXtensible FRamework subsystem due to a reference count imbalance. This issue arises from a double call to xfrmpolholdrcu within the xfrmmigratepolicyfind function, leading to unreferenced objects and potential resource...

CVE-2026-43270 media: mtk-mdp: Fix a reference leak bug in mtk_mdp_remove()

In the Linux kernel, the following vulnerability has been resolved: media: mtk-mdp: Fix a reference leak bug in mtkmdpremove In mtkmdpprobe, vpugetplatdevice increases the reference count of the returned platform device. Add platformdeviceput to prevent reference leak...

CVE-2026-43264 fbdev: of: display_timing: fix refcount leak in of_get_display_timings()

In the Linux kernel, the following vulnerability has been resolved: fbdev: of: displaytiming: fix refcount leak in ofgetdisplaytimings ofparsephandle returns a devicenode with refcount incremented, which is stored in 'entry' and then copied to 'nativemode'. When the error paths at lines 184 or 19...

CVE-2026-43264

In the Linux kernel, the following vulnerability has been resolved: fbdev: of: displaytiming: fix refcount leak in ofgetdisplaytimings ofparsephandle returns a devicenode with refcount incremented, which is stored in 'entry' and then copied to 'nativemode'. When the error paths at lines 184 or 19...

CVE-2026-43193

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4file refcount leak in nfsdgetdirdeleg Claude pointed out that there is a nfs4file refcount leak in nfsdgetdirdeleg. Ensure that the reference to "fp" is released before returning...

CVE-2026-43090

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrmmigratepolicyfind syzkaller reported a memory leak in xfrmpolicyalloc: BUG: memory leak unreferenced object 0xffff888114d79000 size 1024: comm "syz.1.17", pid 931 ... xfrmpolicyalloc+0xb3/0x4b0...

CVE-2026-43106

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix incorrect dentry refcount in cachefilescull The patch mentioned below changed cachefilesburyobject to expect 2 references to the 'rep' dentry. Three of the callers were changed to use startremovingdentry which tak...

CVE-2026-43090 xfrm: fix refcount leak in xfrm_migrate_policy_find

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrmmigratepolicyfind syzkaller reported a memory leak in xfrmpolicyalloc: BUG: memory leak unreferenced object 0xffff888114d79000 size 1024: comm "syz.1.17", pid 931 ... xfrmpolicyalloc+0xb3/0x4b0...

CVE-2026-43090

In the Linux kernel, the following vulnerability has been resolved: xfrm: fix refcount leak in xfrmmigratepolicyfind syzkaller reported a memory leak in xfrmpolicyalloc: BUG: memory leak unreferenced object 0xffff888114d79000 size 1024: comm "syz.1.17", pid 931 ... xfrmpolicyalloc+0xb3/0x4b0...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the nfsdgetdirdeleg function in nfsd not releasing the nfs4file reference, potentially leading to...

CVE-2026-31732 gpio: Fix resource leaks on errors in gpiochip_add_data_with_key()

In the Linux kernel, the following vulnerability has been resolved: gpio: Fix resource leaks on errors in gpiochipadddatawithkey Since commit aab5c6f20023 "gpio: set device type for GPIO chips", gdev-dev.release is unset. As a result, the reference count to gdev-dev isn't dropped on the error...

CVE-2026-31639

A flaw was found in the rxrpc subsystem of the Linux kernel. When a client call is created, a reference to a key is obtained but not properly released when the call is destroyed. This oversight leads to a key reference count leak, which can accumulate over time. This resource exhaustion could...