CVE-2025-21890

Technical details about CVE-2025-21890 are not publicly disclosed in the provided connected documents. The initial description notes a fix in the Linux kernel idpf driver, but further specifics (affected versions, exploitability, mitigations) are not included here. Monitor for updates.

CVE-2025-21887

In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovldentryupdatereval by moving dput in ovllinkup The issue was caused by dputupper being called before ovldentryupdatereval, while upper-dflags was still accessed in ovldentryremote. Move dputupper after its last...

CVE-2025-21886 RDMA/mlx5: Fix implicit ODP hang on parent deregistration

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix implicit ODP hang on parent deregistration Fix the destroyunusedimplicitchildmr to prevent hanging during parent deregistration as of below 1. Upon entering destroyunusedimplicitchildmr, the reference count for the...

CVE-2025-21883

CVE-2025-21883 affects the Linux kernel ice driver. The issue occurs when ice_ena_vfs() fails after ice_create_vf_entries(), causing VFs to be freed without removing them from the snapshot PF-VF mailbox list, leading to list corruption (possible kernel BUG in lib/list_debug.c and related traces)....

CVE-2025-21881

In the Linux kernel, the following vulnerability has been resolved: uprobes: Reject the shared zeropage in uprobewriteopcode We triggered the following crash in syzkaller tests: BUG: Bad page state in process syz.7.38 pfn:1eff3 page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0...

CVE-2025-21882

Technical details for CVE-2025-21882 are not publicly provided in the supplied connected documents. Monitor for official advisories to obtain affected product/versions, root cause, impact, and remediation information.

CVE-2025-21878 i2c: npcm: disable interrupt enable bit before devm_request_irq

In the Linux kernel, the following vulnerability has been resolved: i2c: npcm: disable interrupt enable bit before devmrequestirq The customer reports that there is a soft lockup issue related to the i2c driver. After checking, the i2c module was doing a tx transfer and the bmc machine reboots in...

CVE-2025-21877

CVE-2025-21877 (Linux kernel, usbnet gl620a) affects the usbnet implementation in the kernel where GenelInK_bind() fails to verify that the device actually provides the endpoints it requests. This can lead to a mismatch when an artificially manufactured endpoint is encountered, as Syzbot observed...

CVE-2025-21876 iommu/vt-d: Fix suspicious RCU usage

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix suspicious RCU usage Commit "iommu/vt-d: Allocate DMAR fault interrupts locally" moved the call to enabledrhdfaulthandling to a code path that does not hold any lock while traversing the drhd list. Fix it by...

CVE-2025-21875

In the Linux kernel, the following vulnerability has been resolved: mptcp: always handle address removal under msk socket lock Syzkaller reported a lockdep splat in the PM control path: WARNING: CPU: 0 PID: 6693 at ./include/net/sock.h:1711 sockownedbyme include/net/sock.h:1711 inline WARNING: CP...

CVE-2025-21874

In the Linux kernel, the following vulnerability has been resolved: dm-integrity: Avoid divide by zero in table status in Inline mode In Inline mode, the journal is unused, and journalsectors is zero. Calculating the journal watermark requires dividing by journalsectors, which should be done only...

CVE-2025-21872 efi: Don't map the entire mokvar table to determine its size

In the Linux kernel, the following vulnerability has been resolved: efi: Don't map the entire mokvar table to determine its size Currently, when validating the mokvar table, we remap the entire table on each iteration of the loop, adding space as we discover new entries. If the table grows over a...

CVE-2025-21873

CVE-2025-21873 affects the Linux kernel SCSI/UFS stack, specifically the bsg path. The issue occurs when an ARPMB (arpmb) command fails on devices that do not support ARPMB, leading to a crash due to copying user data in bsg_transport_sg_io_fn(). When ufs_bsg_exec_advanced_rpmb_req() returns an e...

CVE-2024-58091

In the Linux kernel, the following vulnerability has been resolved: drm/fbdev-dma: Add shadow buffering for deferred I/O DMA areas are not necessarily backed by struct page, so we cannot rely on it for deferred I/O. Allocate a shadow buffer for drivers that require deferred I/O and use it as...

CVE-2024-58090 sched/core: Prevent rescheduling when interrupts are disabled

In the Linux kernel, the following vulnerability has been resolved: sched/core: Prevent rescheduling when interrupts are disabled David reported a warning observed while loop testing kexec jump: Interrupts enabled after irqrouterresume+0x0/0x50 WARNING: CPU: 0 PID: 560 at drivers/base/syscore.c:1...

CVE-2025-21871

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix supplicant wait loop OP-TEE supplicant is a user-space daemon and it's possible for it be hung or crashed or killed in the middle of processing an OP-TEE RPC call. It becomes more complicated when there is incorre...

UBUNTU-CVE-2025-21867

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

CVE-2025-21871

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix supplicant wait loop OP-TEE supplicant is a user-space daemon and it's possible for it be hung or crashed or killed in the middle of processing an OP-TEE RPC call. It becomes more complicated when there is incorre...

CVE-2025-21869 powerpc/code-patching: Disable KASAN report during patching via temporary mm

In the Linux kernel, the following vulnerability has been resolved: powerpc/code-patching: Disable KASAN report during patching via temporary mm Erhard reports the following KASAN hit on Talos II power9 with kernel 6.13: 12.028126 ==================================================================...

CVE-2025-21870

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-topology: Harden loops for looking up ALH copiers Other, non DAI copier widgets could have the same stream name sname as the ALH copier and in that case the copier-data is NULL, no alhdata is attached, which could...