Linux Kernel Security Vulnerabilities

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 failure to use a silent elevator switch when reinitializing hardware queues, which could lead to reuse aft...

CVE-2023-53685: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: tun: Fix memory leak for detached NAPI queue. syzkaller reported 0 memory leaks of sk and skb related to the TUN device with no repro, but we can reproduce it easily with: struct ifreq ifr = int fdtun, fdtmp; char buf4 = ; fdtun ...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986278)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986278 advisory. In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987063)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987063 advisory. In the Linux kernel, the following vulnerability has been resolved: xen/netback: avoid entering xenvifrxnextskb with an empty rx queue xenvifrxnextskb is expecting t...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986734)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986734 advisory. In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: fix possible use-after-free in transport errorrecovery work While...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987095)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987095 advisory. In the Linux kernel, the following vulnerability has been resolved: iavf: free qvectors before queues in iavfdisablevf iavffreequeues clears adapter-numactivequeues,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987315)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987315 advisory. In the Linux kernel, the following vulnerability has been resolved: bfq: Make sure bfqg for which we are queueing requests is online Bios queued into BFQ IO schedule...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987256)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987256 advisory. In the Linux kernel, the following vulnerability has been resolved: xen/netfront: destroy queues before realnumtxqueues is zeroed xennetdestroyqueues relies on...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986727)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986727 advisory. In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cmid...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986787)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986787 advisory. In the Linux kernel, the following vulnerability has been resolved: ice: fix vsi-txqmap sizing The approach of having XDP queue per CPU regardless of user's setting...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-987399)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987399 advisory. In the Linux kernel, the following vulnerability has been resolved: IB/IPoIB: Fix legacy IPoIB due to wrong number of queues The cited commit creates child PKEY...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987036)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987036 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix listadd corruption in lpfcdraintxq When parsing the txq list in lpfcdraintxq, the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987091)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987091 advisory. In the Linux kernel, the following vulnerability has been resolved: i40e: Fix queues reservation for XDP When XDP was configured on a system with large number of CPU...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987375)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987375 advisory. In the Linux kernel, the following vulnerability has been resolved: bfq: Avoid merging queues with different parents It can happen that the parent of a bfqq changes...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-383088)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-383088 advisory. In the Linux kernel, the following vulnerability has been resolved: blk-rq-qos: fix crash on rqqoswait vs. rqqoswakefunction race We're seeing crashes from...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-380977)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-380977 advisory. In the Linux kernel, the following vulnerability has been resolved: cpumap: Zero-initialise xdprxqinfo struct before running XDP program When running an XDP program...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-384118)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-384118 advisory. In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix error path in multi-packet WQE transmit Remove the erroneous unmap in case no DMA...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987134)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987134 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: add sanity tests to TCPQUEUESEQ Qingyu Li reported a syzkaller bug where the repro changes R...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-986373)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986373 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix listadd corruption in lpfcdraintxq When parsing the txq list in lpfcdraintxq, the...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987048)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987048 advisory. In the Linux kernel, the following vulnerability has been resolved: IB/qib: Fix memory leak in qibusersdmaqueuepkts The wrong goto label was used for the error case...