CVE-2025-55780

A null pointer dereference occurs in the function breakwordforoverflowwrap in MuPDF 1.26.4 when rendering a malformed EPUB document. Specifically, the function calls fzhtmlsplitflow to split a FLOWWORD node, but does not check if node-next is valid before accessing node-next-overflowwrap, resulti...

CVE-2025-39874

In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTMNEWLINK Syzkaller managed to lock the lower device via ETHTOOLSFEATURES: netdevlock include/linux/netdevice.h:2761 inline netdevlockops include/net/netdevlock.h:42 inline netdevsynclowerfeatures...

CVE-2025-39888

In the Linux kernel, the following vulnerability has been resolved: fuse: Block access to folio overlimit syz reported a slab-out-of-bounds Write in fusedevdowrite. When the number of bytes to be retrieved is truncated to the upper limit by fc-maxpages and there is an offset, the oob is triggered...

CVE-2025-39859

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: fix use-after-free bugs causing by ptpocpwatchdog The ptpocpdetach only shuts down the watchdog timer if it is pending. However, if the timer handler is already running, the timerdeletesync is not called. This leads to...

CVE-2023-53220

In the Linux kernel, the following vulnerability has been resolved: media: az6007: Fix null-ptr-deref in az6007i2cxfer In az6007i2cxfer, msg is controlled by user. When msgi.buf is null and msgi.len is zero, former checks on msgi.buf would be passed. Malicious data finally reach az6007i2cxfer. If...

CVE-2025-39759

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix race between quota disable and quota rescan ioctl There's a race between a task disabling quotas and another running the rescan ioctl that can result in a use-after-free of qgroup records from the...