CVE-2025-68335

In the Linux kernel, the following vulnerability has been resolved: comedi: pcl818: fix null-ptr-deref in pcl818aicancel Syzbot identified an issue 1 in pcl818aicancel, which stems from the fact that in case of early device detach via pcl818detach, subdevice dev-readsubdev may not have initialize...

CVE-2025-68316 scsi: ufs: core: Fix invalid probe error return value

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix invalid probe error return value After DME Link Startup, the error return value is set to the MIPI UniPro GenericErrorCode which can be 0 SUCCESS or 1 FAILURE. Upon failure during driver probe, the error code...

CVE-2025-68314

CVE-2025-68314 affects the Linux kernel’s DRM MSM driver. The root cause is that last_fence was not consistently updated in the vm-bind path (only in the kernel-managed path), causing the system to wait on resources incorrectly and potentially fault when resources are freed while still in use. Th...

CVE-2025-68314 drm/msm: make sure last_fence is always updated

In the Linux kernel, the following vulnerability has been resolved: drm/msm: make sure lastfence is always updated Update lastfence in the vm-bind path instead of kernel managed path. lastfence is used to wait for work to finish in vmbind contexts but not used for kernel managed contexts. This...

EUVD-2025-203719

In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0 without checking for a NULL policy pointer. On some systems, this could lead to a NULL dereference and a kernel warning or panic. This...

EUVD-2025-203639

In the Linux kernel, the following vulnerability has been resolved: slab: Avoid race on slab-objexts in allocslabobjexts If two competing threads enter allocslabobjexts and one of them fails to allocate the object extension vector, it might override the valid slab-objexts allocated by the other...

CVE-2025-68291 mptcp: Initialise rcv_mss before calling tcp_send_active_reset() in mptcp_do_fastclose().

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-2025-68287 usb: dwc3: Fix race condition between concurrent dwc3_remove_requests() call paths

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: Fix race condition between concurrent dwc3removerequests call paths This patch addresses a race condition caused by unsynchronized execution of multiple call paths invoking dwc3removerequests, leading to premature...

CVE-2025-68265

CVE-2025-68265: Linux kernel vulnerability fixed in nvme: fix admin request_queue lifetime. The issue allowed namespaces to access a controller’s admin request_queue and could leave stale references after tearing down the controller, risking a use-after-free (KASAN) in blk_queue_enter. The patch ...

UBUNTU-CVE-2025-68177

In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0 without checking for a NULL policy pointer. On some systems, this could lead to a NULL dereference and a kernel warning or panic. This...

CVE-2025-68177

In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0 without checking for a NULL policy pointer. On some systems, this could lead to a NULL dereference and a kernel warning or panic. This...

CVE-2025-68222 pinctrl: s32cc: fix uninitialized memory in s32_pinctrl_desc

In the Linux kernel, the following vulnerability has been resolved: pinctrl: s32cc: fix uninitialized memory in s32pinctrldesc s32pinctrldesc is allocated with devmkmalloc, but not all of its fields are initialized. Notably, numcustomparams is used in pinconfgenericparsedtconfig, resulting in...

CVE-2025-68193 drm/xe/guc: Add devm release action to safely tear down CT

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Add devm release action to safely tear down CT When a buffer object BO is allocated with the XEBOFLAGGGTTINVALIDATE flag, the driver initiates TLB invalidation requests via the CTB mechanism while releasing the BO...

CVE-2025-68179 s390: Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP

In the Linux kernel, the following vulnerability has been resolved: s390: Disable ARCHWANTOPTIMIZEHUGETLBVMEMMAP As reported by Luiz Capitulino enabling HVO on s390 leads to reproducible crashes. The problem is that kernel page tables are modified without flushing corresponding TLB entries. Even ...

CVE-2025-68177 cpufreq/longhaul: handle NULL policy in longhaul_exit

In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0 without checking for a NULL policy pointer. On some systems, this could lead to a NULL dereference and a kernel warning or panic. This...

CVE-2025-68177 cpufreq/longhaul: handle NULL policy in longhaul_exit

In the Linux kernel, the following vulnerability has been resolved: cpufreq/longhaul: handle NULL policy in longhaulexit longhaulexit was calling cpufreqcpuget0 without checking for a NULL policy pointer. On some systems, this could lead to a NULL dereference and a kernel warning or panic. This...

CVE-2025-40329

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix deadlock in drmschedentitykilljobscb The Mesa issue referenced below pointed out a possible deadlock: 1231.611031 Possible interrupt unsafe locking scenario: 1231.611033 CPU0 CPU1 1231.611034 ---- ---- 1231.611035...

UBUNTU-CVE-2025-40336

In the Linux kernel, the following vulnerability has been resolved: drm/gpusvm: fix hmmpfntomaporder usage Handle the case where the hmm range partially covers a huge page like 2M, otherwise we can potentially end up doing something nasty like mapping memory which is outside the range, and maybe...

UBUNTU-CVE-2023-53820

In the Linux kernel, the following vulnerability has been resolved: loop: loopsetstatusfrominfo check before assignment In loopsetstatusfrominfo, lo-looffset and lo-losizelimit should be checked before reassignment, because if an overflow error occurs, the original correct value will be changed t...

kernel: Bluetooth: L2CAP: Fix user-after-free

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix user-after-free This uses l2capchanholdunlesszero after calling l2capgetchanblah to prevent the following trace: Bluetooth: l2capcore.c:static void l2capchandestroystruct kref kref Bluetooth: chan...