CVE-2025-21854

In the Linux kernel, the following vulnerability has been resolved: sockmap, vsock: For connectible sockets allow only connected sockmap expects all vsocks to have a transport assigned, which is expressed in vsockproto::psockupdateskprot. However, there is an edge case where an unconnected...

The vulnerability of the compatibility subsystem’s kernel allows for the execution of Linux applications on Windows operating systems through the Windows Subsystem for Linux (WSL2). This enables attackers to execute arbitrary code.

The vulnerability in the kernel of the compatibility subsystem for running Linux applications, namely Windows Subsystem for Linux WSL2 on Windows operating systems, involves a pointer manipulation issue. Exploiting this vulnerability allows an attacker to execute arbitrary code...

Linux kernel 安全漏洞

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 the nfctfindexpectation function not removing exp, which could result in ct's being created that are not...

PT-2025-16712

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns a problem with gang directory lifetimes in the Linux kernel. Specifically, the creation of a gang returns an opened gang directory, which should be removed when closed...

CVE-2025-21863

In the Linux kernel, the following vulnerability has been resolved: iouring: prevent opcode speculation sqe-opcode is used for different tables, make sure we santitise it against speculations...

CVE-2025-21853

In the Linux kernel, the following vulnerability has been resolved: bpf: avoid holding freezemutex during mmap operation We use map-freezemutex to prevent races between mapfreeze and memory mapping BPF map contents with writable permissions. The way we naively do this means we'll hold freezemutex...

CVE-2025-21858

In the Linux kernel, the following vulnerability has been resolved: geneve: Fix use-after-free in genevefinddev. syzkaller reported a use-after-free in genevefinddev 0 without repro. geneveconfigure links struct genevedev.next to netgenericnet, genevenetid-genevelist. The net here could differ fr...

CVE-2025-21859

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: fmidi: fmidicomplete to call queuework When using USB MIDI, a lock is attempted to be acquired twice through a re-entrant call to fmiditransmit, causing a deadlock. Fix it by using queuework to schedule the inner...

CVE-2025-21848

In the Linux kernel, the following vulnerability has been resolved: nfp: bpf: Add check for nfpappctrlmsgalloc Add check for the return value of nfpappctrlmsgalloc in nfpbpfcmsgalloc to prevent null pointer dereference...

CVE-2024-58088

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix deadlock when freeing cgroup storage The following commit bc235cdb423a "bpf: Prevent deadlock from recursive bpftaskstorageget|delete" first introduced deadlock prevention for fentry/fexit programs attaching on...

CVE-2025-21844

In the Linux kernel, the following vulnerability has been resolved: smb: client: Add check for nextbuffer in receiveencryptedstandard Add check for the return value of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereference...

CVE-2025-21845

In the Linux kernel, the following vulnerability has been resolved: mtd: spi-nor: sst: Fix SST write failure 'commit 18bcb4aa54ea "mtd: spi-nor: sst: Factor out common write operation to sstnorwritedata"' introduced a bug where only one byte of data is written, regardless of the number of bytes...

CVE-2025-21866 powerpc/code-patching: Fix KASAN hit by not flagging text patching area as VM_ALLOC

In the Linux kernel, the following vulnerability has been resolved: powerpc/code-patching: Fix KASAN hit by not flagging text patching area as VMALLOC Erhard reported the following KASAN hit while booting his PowerMac G4 with a KASAN-enabled kernel 6.13-rc6: BUG: KASAN: vmalloc-out-of-bounds in...

CVE-2025-21864 tcp: drop secpath at the same time as we currently drop dst

In the Linux kernel, the following vulnerability has been resolved: tcp: drop secpath at the same time as we currently drop dst Xiumei reported hitting the WARN in xfrm6tunnelnetexit while running tests that boil down to: - create a pair of netns - run a basic TCP test over ipcomp6 - delete the...

CVE-2025-21863 io_uring: prevent opcode speculation

In the Linux kernel, the following vulnerability has been resolved: iouring: prevent opcode speculation sqe-opcode is used for different tables, make sure we santitise it against speculations...

CVE-2025-21862 drop_monitor: fix incorrect initialization order

In the Linux kernel, the following vulnerability has been resolved: dropmonitor: fix incorrect initialization order Syzkaller reports the following bug: BUG: spinlock bad magic on CPU1, syz-executor.0/7995 lock: 0xffff88805303f3e0, .magic: 00000000, .owner: /-1, .ownercpu: 0 CPU: 1 PID: 7995 Comm...

CVE-2025-21861 mm/migrate_device: don't add folio to be freed to LRU in migrate_device_finalize()

In the Linux kernel, the following vulnerability has been resolved: mm/migratedevice: don't add folio to be freed to LRU in migratedevicefinalize If migration succeeded, we called foliomigrateflags-memcgroupmigrate to migrate the memcg from the old to the new folio. This will set memcgdata of the...

CVE-2025-21860 mm/zswap: fix inconsistency when zswap_store_page() fails

In the Linux kernel, the following vulnerability has been resolved: mm/zswap: fix inconsistency when zswapstorepage fails Commit b7c0ccdfbafd "mm: zswap: support large folios in zswapstore" skips charging any zswap entries when it failed to zswap the entire folio. However, when some base pages ar...

CVE-2025-21860

The CVE-2025-21860 entry relates to a Linux kernel zswap bug in which inconsistent accounting occurs when zswap_store_page() fails to swap an entire folio after some base pages were swapped. The root cause was skipping charging zswap entries on failed swaps, which could lead to uncharged entries ...

CVE-2025-21859 USB: gadget: f_midi: f_midi_complete to call queue_work

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: fmidi: fmidicomplete to call queuework When using USB MIDI, a lock is attempted to be acquired twice through a re-entrant call to fmiditransmit, causing a deadlock. Fix it by using queuework to schedule the inner...