CVE-2025-21975

Technical details for CVE-2025-21975 are not publicly provided in the supplied Connected documents. The entry description exists, but there are no explicit affected products/versions, impact, or fixes in the connected items. Monitor for vendor advisories.

CVE-2025-21973 eth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix kernel panic in the bnxtgetqueuestatsrx | tx When qstats-get operation is executed, callbacks of netdevstatsops are called. The bnxtgetqueuestatsrx | tx collect per-queue stats from swstats in the rings. But rx | t...

CVE-2025-21973 eth: bnxt: fix kernel panic in the bnxt_get_queue_stats{rx | tx}

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix kernel panic in the bnxtgetqueuestatsrx | tx When qstats-get operation is executed, callbacks of netdevstatsops are called. The bnxtgetqueuestatsrx | tx collect per-queue stats from swstats in the rings. But rx | t...

CVE-2025-21971 net_sched: Prevent creation of classes with TC_H_ROOT

In the Linux kernel, the following vulnerability has been resolved: netsched: Prevent creation of classes with TCHROOT The function qdisctreereducebacklog uses TCHROOT as a termination condition when traversing up the qdisc tree to update parent backlog counters. However, if a class is created wi...

CVE-2025-21971 net_sched: Prevent creation of classes with TC_H_ROOT

In the Linux kernel, the following vulnerability has been resolved: netsched: Prevent creation of classes with TCHROOT The function qdisctreereducebacklog uses TCHROOT as a termination condition when traversing up the qdisc tree to update parent backlog counters. However, if a class is created wi...

CVE-2025-21972 net: mctp: unshare packets when reassembling

In the Linux kernel, the following vulnerability has been resolved: net: mctp: unshare packets when reassembling Ensure that the fraglist used for reassembly isn't shared with other packets. This avoids incorrect reassembly when packets are cloned, and prevents a memory leak due to circular...

CVE-2025-21970 net/mlx5: Bridge, fix the crash caused by LAG state check

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Bridge, fix the crash caused by LAG state check When removing LAG device from bridge, NETDEVCHANGEUPPER event is triggered. Driver finds the lower devices PFs to flush all the offloaded entries. And mlx5lagissharedfdb i...

CVE-2025-21967

The CVE-2025-21967 issue affects the Linux kernel ksmbd subsystem, where a use-after-free could happen in ksmbd_free_work_struct because interim_entry of ksmbd_work could be deleted after an oplock is freed. The vulnerability details and remediation are confirmed by connected advisories (Azure Li...

CVE-2025-21966

Summary (CVE-2025-21966): Linux kernel vulnerability in the dm-flakey feature, where memory corruption could occur due to an incorrect parameter passed to bio_init in the optional corrupt_bio_byte path. The issue has been fixed in the kernel, with related fixes cited in public kernel patches (e.g...

CVE-2025-21963

CVE-2025-21963 (Linux kernel, CIFS) : The issue is a local integer overflow in the acdirmax mount option handling. User-supplied acdirmax (u32) is meant to have an upper bound, but the value is converted from seconds to jiffies before validation, enabling an integer overflow. The CVE entry notes ...

CVE-2025-21961 eth: bnxt: fix truesize for mb-xdp-pass case

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix truesize for mb-xdp-pass case When mb-xdp is set and return is XDPPASS, packet is converted from xdpbuff to skbuff with xdpupdateskbsharedinfo in bnxtxdpbuildskb. bnxtxdpbuildskb passes incorrect truesize argument ...

CVE-2025-21960 eth: bnxt: do not update checksum in bnxt_xdp_build_skb()

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: do not update checksum in bnxtxdpbuildskb The bnxtrxpkt updates ipsummed value at the end if checksum offload is enabled. When the XDP-MB program is attached and it returns XDPPASS, the bnxtxdpbuildskb is called to...

CVE-2025-21959 netfilter: nf_conncount: Fully initialize struct nf_conncount_tuple in insert_tree()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: Fully initialize struct nfconncounttuple in inserttree Since commit b36e4523d4d5 "netfilter: nfconncount: fix garbage collection confirm race", cpu and jiffies32 were introduced to the struct...

CVE-2025-21958

CVE-2025-21958 affects the Linux kernel with an OVS/conntrack interaction. The issue arises from reverting a prior change to per-action label counting in conntrack, causing ovs_ct_set_labels() to be called only for confirmed conntrack entries. If a conntrack entry lacks the labels_ext extension, ...

CVE-2025-21957

The CVE refers to a Linux kernel issue affecting the SCSI qla1280 driver. When the driver is compiled with DEBUG_QLA1280 and ql_debug_level > 2, a null dereference can cause an oops. The root cause is incorrect handling of debug printing, where sg_next(s) was used instead of sg_dma_len(s). The...

CVE-2025-21957 scsi: qla1280: Fix kernel oops when debug level > 2

In the Linux kernel, the following vulnerability has been resolved: scsi: qla1280: Fix kernel oops when debug level 2 A null dereference or oops exception will eventually occur when qla1280.c driver is compiled with DEBUGQLA1280 enabled and qldebuglevel 2. I think its clear from the code that the...

CVE-2025-21954 netmem: prevent TX of unreadable skbs

In the Linux kernel, the following vulnerability has been resolved: netmem: prevent TX of unreadable skbs Currently on stable trees we have support for netmem/devmem RX but not TX. It is not safe to forward/redirect an RX unreadable netmem packet into the device's TX path, as the device may call...

CVE-2025-21950 drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmd_ioctl

In the Linux kernel, the following vulnerability has been resolved: drivers: virt: acrn: hsm: Use kzalloc to avoid info leak in pmcmdioctl In the "pmcmdioctl" function, three memory objects allocated by kmalloc are initialized by "hcallgetcpustate", which are then copied to user space. The...

CVE-2025-21949 LoongArch: Set hugetlb mmap base address aligned with pmd size

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set hugetlb mmap base address aligned with pmd size With ltp test case "testcases/bin/hugefork02", there is a dmesg error report message such as: kernel BUG at mm/hugetlb.c:5550! Oops - BUG1: CPU: 0 UID: 0 PID: 1517...

CVE-2025-21947

The CVE-2025-21947 issue affects the Linux kernel ksmbd subsystem and is resolved by a fix for a race condition that can cause type confusion in IPC message handling. Root cause: req->handle is allocated via ksmbd_acquire_id(&ipc_ida) (ida_alloc) and can be reused for ksmbd_ipc_login_request a...