Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the absence of memory access flags in the BPF helper function prototype. This leads to the verifier...

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 use of NULL pointer checks in the archsetshadowstackstatus function within the arm64 GCS...

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 lack of a needthisblock check when the llbitmap bitmap status in the md/raid5 driver is not...

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 PCI P2PDMA driver’s p2pmemallocmmap function. When vminsertpage fails, the per-CPU pgmap...

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 incorrect reference counting of BTF objects in the checkpseudobtfid function. This vulnerability...

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 discontinuous gaps during block allocation in btrfs. This issue causes an EEXIST error in the...

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 incorrect processing of out-of-order data during the mptcp receive buffer expansion. This can...

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 percpuref in the md/md-llbitmap driver. This vulnerability causes permanent damage if the pau...

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 ext4 file system failing when splitting unwritten intervals, potentially leaving outdated...

PT-2026-43818

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a potential use-after-free of BTF object Refcounting in the check pseudo btf id function is incorrect: the check pseudo btf id function might get called with a zero refcounted btf. Fix this, and patch related code...

PT-2026-43724

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null pointer dereference occurs in the scsi csiostor component. When the variable rn is NULL, the error exit path triggers a dereference of rn through the use of the CSIO INC STATS...

PT-2026-43756

In the Linux kernel, the following vulnerability has been resolved: mptcp: do not account for OoO in mptcp rcvbuf grow MPTCP-level OoOs are physiological when multiple subflows are active concurrently and will not cause retransmissions nor are caused by drops. Accounting for them in mptcp rcvbuf...

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 hfsbnodecreate function in the hfsplus file system. This function returns a node when it...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the catcprobe function in the net/usb/catc driver. This function uses hardcoded endpoint pipelines to...

PT-2026-43743

In the Linux kernel, the following vulnerability has been resolved: arm64/gcs: Fix error handling in arch set shadow stack status alloc gcs returns an error-encoded pointer on failure, which comes from do mmap, not NULL. The current NULL check fails to detect errors, which could lead to using an...

PT-2026-43820

In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix IO hang with degraded array with llbitmap When llbitmap bit state is still unwritten, any new write should force rcw, as bitmap ops-blocks synced is checked in handle stripe dirtying. However, later the same check i...

PT-2026-43785

In the Linux kernel, the following vulnerability has been resolved: ovpn: tcp - don't deref NULL sk socket member after tcp close When deleting a peer in case of keepalive expiration, the peer is removed from the OpenVPN hashtable and is temporary inserted in a "release list" for further...

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 EDAC driver’s mcprobe function. This function fails to release the device nodes referenced by...

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 not restricting the size of BPF program signatures. This vulnerability may cause the kernel to...

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 bpf module on the tcx/netkit device. When BPFPROGDETACH bypasses permission checks without...