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 return statements in the nfcllcprecvhdlc and nfcllcprecvdisc functions after the...

kernel: Linux kernel: Denial of Service via unsafe requeue in rxrpc_recvmsg

A flaw was found in the Linux kernel. A local unprivileged process can exploit an unsafe requeue path in the rxrpcrecvmsg function by using AFRXRPC sockets with MSGDONTWAIT and MSGPEEK flags. This improper handling of the receive message queue can lead to memory corruption, such as Use-After-Free...

kernel: smc: Fix use-after-free in __pnet_find_base_ndev()

In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in pnetfindbasendev. syzbot reported use-after-free of netdevice in pnetfindbasendev, which was called during connect. 0 smcpnetfindismresource fetches skdstgetsk-dev and passes down to pnetfindbasendev,...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013657)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013657 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix reference count leak in snruncoremmiomap pcigetdevice will increase th...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013795)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013795 advisory. In the Linux kernel, the following vulnerability has been resolved: hwrng: geode - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013488)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013488 advisory. In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix reference count leak in smbcheckpermdacl The issue happens in a specific path in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013549)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013549 advisory. In the Linux kernel, the following vulnerability has been resolved: hwrng: amd - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The comme...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013586)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013586 advisory. In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after u...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006916)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006916 advisory. In the Linux kernel, the following vulnerability has been resolved: sctp: add a refcnt in sctpstreampriorities to avoid a nested loop With this refcnt added in...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010834)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010834 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix pci device refcount leak in pprnotifier As comment of pcigetdomainbusandslot says,...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011356)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011356 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netpoll: fix incorrect refcount handling causing incorrect cleanup commit efa95b01da18...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011034)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011034 advisory. In the Linux kernel, the following vulnerability has been resolved: hwrng: amd - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The comme...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011354)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011354 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6/addrconf: fix a potential refcount underflow for idev Now in addrconfmodrstimer, reference...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010780)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010780 advisory. In the Linux kernel, the following vulnerability has been resolved: leds: led-core: Fix refcount leak in ofledget classfinddevicebyofnode calls classfinddevice, it...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010976)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010976 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix reference count leak in snruncoremmiomap pcigetdevice will increase th...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013277)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013277 advisory. In the Linux kernel, the following vulnerability has been resolved: hwrng: amd - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The comme...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010805)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010805 advisory. In the Linux kernel, the following vulnerability has been resolved: hwrng: geode - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010866)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010866 advisory. In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after u...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007460)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007460 advisory. In the Linux kernel, the following vulnerability has been resolved: mm/hwpoison: clear MFCOUNTINCREASED before retrying getanypage Hulk Robot reported a panic in...

JLSEC-2026-97

An internal reference count is held on the buffer pool, incremented every time a new buffer is created from the pool. The reference count is maintained as an int; on LP64 systems this can cause the reference count to overflow if the client creates a large number of wlshm buffer objects, or if it...