CVE-2025-21902

CVE-2025-21902 affects the Linux kernel (ACPI backends for UCSI). The vulnerability arises from the ucsi core handling of CCI polling and ACPI-opregion synchronization: backends may rely on an unnecessary/unsafe sync, which can be triggered while notifications are disabled and lead to a spurious ...

CVE-2023-0881 DDoS in Ubuntu package linux-bluefield

Running DDoS on tcp port 22 will trigger a kernel crash. This issue is introduced by the backport of a commit regarding nftlookup without the subsequent fixes that were introduced after this commit. The resolution of this CVE introduces those commits to the linux-bluefield package...

CVE-2023-52995

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: Fix instruction simulation of JALR Set kprobe at 'jalr 1140ra' of vfswrite results in the following crash: 32.092235 Unable to handle kernel access to user memory without uaccess routines at virtual address...

CVE-2023-52974 scsi: iscsi_tcp: Fix UAF during login when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during login when accessing the shost ipaddress If during iscsiswtcpsessioncreate iscsitcpr2tpoolalloc fails, userspace could be accessing the host's ipaddress attr. If we then free the session via...

CVE-2022-49758 reset: uniphier-glue: Fix possible null-ptr-deref

In the Linux kernel, the following vulnerability has been resolved: reset: uniphier-glue: Fix possible null-ptr-deref It will cause null-ptr-deref when resourcesizeres invoked, if platformgetresource returns NULL...

CVE-2022-49756

CVE-2022-49756 is about a Linux kernel issue in the USB sunplus PHY path. A null pointer dereference could occur in sp_usb_phy_probe() because platform_get_resource_byname() may fail and yield NULL, and devm_ioremap() could then use usbphy->moon4_res_mem->start as input. The fixes described...

CVE-2022-49755 usb: gadget: f_fs: Prevent race during ffs_ep0_queue_wait

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Prevent race during ffsep0queuewait While performing fast composition switch, there is a possibility that the process of ffsep0write/ffsep0read get into a race condition due to ep0req being freed up from...

CVE-2023-52940 mm: multi-gen LRU: fix crash during cgroup migration

In the Linux kernel, the following vulnerability has been resolved: mm: multi-gen LRU: fix crash during cgroup migration lrugenmigratemm assumes lrugenaddmm runs prior to itself. This isn't true for the following scenario: CPU 1 CPU 2 clone cgroupcanfork cgroupprocswrite cgrouppostfork tasklock...

CVE-2023-52938 usb: typec: ucsi: Don't attempt to resume the ports before they exist

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Don't attempt to resume the ports before they exist This will fix null pointer dereference that was caused by the driver attempting to resume ports that were not yet registered...

CVE-2025-21889

Technical details for CVE-2025-21889 are not publicly provided in the supplied documents. No affected products, root cause, or patch information are confirmed here. Monitor vendor advisories for updates.

CVE-2025-21883

In the Linux kernel, the following vulnerability has been resolved: ice: Fix deinitializing VF in error path If iceenavfs fails after calling icecreatevfentries, it frees all VFs without removing them from snapshot PF-VF mailbox list, leading to list corruption. Reproducer: devlink dev eswitch se...

CVE-2025-21879

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free on inode when scanning root during em shrinking At btrfsscanroot we are accessing the inode's root and fsinfo in a call to btrfsfsclosing after we have scheduled the inode for a delayed iput, and that ca...

CVE-2023-52927 netfilter: allow exp not to be removed in nf_ct_find_expectation

In the Linux kernel, the following vulnerability has been resolved: netfilter: allow exp not to be removed in nfctfindexpectation Currently nfconntrackin calling nfctfindexpectation will remove the exp from the hash table. However, in some scenario, we expect the exp not to be removed when the...

CVE-2024-56787 affecting package kernel for versions less than 6.6.76.1-1

CVE-2024-56787 affecting package kernel for versions less than 6.6.76.1-1. An upgraded version of the package is available that resolves this issue...

CVE-2025-21862

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-2025-21866 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-2024-58086

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Stop active perfmon if it is being destroyed If the active performance monitor v3d-activeperfmon is being destroyed, stop it first. Currently, the active perfmon is not stopped during destruction, leaving the...

CVE-2025-21833 iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid use of NULL after WARNONONCE There is a WARNONONCE to catch an unlikely situation when domainremovedevpasid can't find the pasid. In case it nevertheless happens we must avoid using a NULL pointer...

CVE-2024-58068

In the Linux kernel, the following vulnerability has been resolved: OPP: fix devpmoppfindbw when bandwidth table not initialized If a driver calls devpmoppfindbwceil/floor the retrieve bandwidth from the OPP table but the bandwidth table was not created because the interconnect properties were...

CVE-2024-58076

CVE-2024-58076 affects the Linux kernel clock framework for Qualcomm SoCs (e.g., gcc-sm6350). The issue occurs when a clk_rcg2 has a parent but lacks a defined parent_map, which can trigger a NULL pointer dereference during clk_set_rate, as evidenced by the kernel trace in the description. The pr...