kernel: clone_private_mnt(): make sure that caller has CAP_SYS_ADMIN in the right userns

A vulnerability was found in cloneprivatemount in fs/namespace.c in filesystem subsystem in the Linux Kernel.This flaw could allow a local attacker to crash the system or leak kernel internal information...

kernel: iomap: iomap: fix memory corruption when recording errors during writeback

In the Linux kernel, the following vulnerability has been resolved: iomap: iomap: fix memory corruption when recording errors during writeback Every now and then I see this crash on arm64: Unable to handle kernel NULL pointer dereference at virtual address 00000000000000f8 Buffer I/O error on dev...

kernel: skbuff: skb_segment, Call zero copy functions before using skbuff frags

In the Linux kernel, the following vulnerability has been resolved: skbuff: skbsegment, Call zero copy functions before using skbuff frags Commit bf5c25d60861 "skbuff: in skbsegment, call zerocopy functions once per nskb" added the call to zero copy functions in skbsegment. The change introduced ...

kernel: net: tun: Update napi->skb after XDP process

A use-after-free flaw was found in tungetuser in drivers/net/tun.c in network TUNnel module in Linux kernel. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

SUSE CVE-2025-40356

In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix DMA-API usage Use DMA-API dmamapsingle call for getting the DMA address of the transfer buffer instead of hacking with virttophys. This fixes the following DMA-API debug warning: ------------ cut here...

SUSE CVE-2025-40358

In the Linux kernel, the following vulnerability has been resolved: riscv: stacktrace: Disable KASAN checks for non-current tasks Unwinding the stack of a task other than current, KASAN would report "BUG: KASAN: out-of-bounds in walkstackframe+0x41c/0x460" There is a same issue on x86 and has bee...

SUSE CVE-2025-68225

In the Linux kernel, the following vulnerability has been resolved: lib/testkho: check if KHO is enabled We must check whether KHO is enabled prior to issuing KHO commands, otherwise KHO internal data structures are not initialized...

AZL-74172 CVE-2025-68291 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: mptcp: Initialise rcvmss before calling tcpsendactivereset in mptcpdofastclose. syzbot reported divide-by-zero in tcpselectwindow by MPTCP socket. 0 We had a similar issue for the bare TCP and fixed in commit 499350a5a6e7 "tcp:...

CVE-2025-68289

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: feem: Fix memory leak in eemunwrap The existing code did not handle the failure case of usbepqueue in the command path, potentially leading to memory leaks. Improve error handling to free all allocated resources on...

UBUNTU-CVE-2025-68285

In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in havemonandosdmap The wait loop in cephopensession can race with the client receiving a new monmap or osdmap shortly after the initial map is received. Both cephmonchandlemap and handleonem...

UBUNTU-CVE-2025-68312

In the Linux kernel, the following vulnerability has been resolved: usbnet: Prevents free active kevent The root cause of this issue are: 1. When probing the usbnet device, executing usbnetlinkchangedev, 0, 0; put the kevent work in global workqueue. However, the kevent has not yet been scheduled...

UBUNTU-CVE-2025-68308

In the Linux kernel, the following vulnerability has been resolved: can: kvaserusb: leaf: Fix potential infinite loop in command parsers The kvaserusbleafwaitcmd and kvaserusbleafreadbulkcallback functions contain logic to zero-length commands. These commands are used to align data to the USB...

CVE-2025-68312

In the Linux kernel, the following vulnerability has been resolved: usbnet: Prevents free active kevent The root cause of this issue are: 1. When probing the usbnet device, executing usbnetlinkchangedev, 0, 0; put the kevent work in global workqueue. However, the kevent has not yet been scheduled...

CVE-2025-68311

CVE-2025-68311 : In the Linux kernel, the ip22zilog serial driver was probing without a platform device in its uart_port.dev, which could trigger an oops. The fix switches the ip22zilog driver to a platform driver and initializes the serial device in the sgI-ip22 code, following the commit that s...

CVE-2025-68310

In the Linux kernel, the following vulnerability has been resolved: s390/pci: Avoid deadlock between PCI error recovery and mlx5 crdump Do not block PCI config accesses through pcicfgaccesslock when executing the s390 variant of PCI error recovery: Acquire just devicelock instead of pcidevlock as...

EUVD-2025-203748

In the Linux kernel, the following vulnerability has been resolved: crypto: zstd - fix double-free in per-CPU stream cleanup The crypto/zstd module has a double-free bug that occurs when multiple tfms are allocated and freed. The issue happens because zstdstreams per-CPU contexts are freed in...

EUVD-2025-203713

In the Linux kernel, the following vulnerability has been resolved: ima: don't clear IMADIGSIG flag when setting or removing non-IMA xattr Currently when both IMA and EVM are in fix mode, the IMA signature will be reset to IMA hash if a program first stores IMA signature in security.ima and then...

CVE-2025-68251

In the Linux kernel, the following vulnerability has been resolved: erofs: avoid infinite loops due to corrupted subpage compact indexes Robert reported an infinite loop observed by two crafted images. The root cause is that clusterofs can be larger than lclustersize for !NONHEAD lclusters in...

UBUNTU-CVE-2025-68260

In the Linux kernel, the following vulnerability has been resolved: rustbinder: fix race condition on deathlist Rust Binder contains the following unsafe operation: // SAFETY: A NodeDeath is never inserted into the death list // of any node other than its owner, so it is either in this // death...

CVE-2025-68297 ceph: fix crash in process_v2_sparse_read() for encrypted directories

In the Linux kernel, the following vulnerability has been resolved: ceph: fix crash in processv2sparseread for encrypted directories The crash in processv2sparseread for fscrypt-encrypted directories has been reported. Issue takes place for Ceph msgr2 protocol in secure mode. It can be reproduced...