UBUNTU-CVE-2023-54248

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add check for kmemdup Since the kmemdup may return NULL pointer, it should be better to add check for the return value in order to avoid NULL pointer dereference...

UBUNTU-CVE-2023-54255

In the Linux kernel, the following vulnerability has been resolved: sh: dma: Fix DMA channel offset calculation Various SoCs of the SH3, SH4 and SH4A family, which use this driver, feature a differing number of DMA channels, which can be distributed between up to two DMAC modules. The existing...

UBUNTU-CVE-2023-54203

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

CVE-2022-50868

In the Linux kernel, the following vulnerability has been resolved: hwrng: amd - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the reference count for...

CVE-2022-50889 dm integrity: Fix UAF in dm_integrity_dtr()

In the Linux kernel, the following vulnerability has been resolved: dm integrity: Fix UAF in dmintegritydtr Dmintegrity also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in dmintegritydtr...

CVE-2023-54317

The CVE-2023-54317 issue affects the Linux kernel when dm-flakey with corrupt-bio-writes operates on zero pages. The bug could cause corruption of the zero page during zeroing of a block device, leading to crashes because glibc assumes mmap’ed memory is zeroed (calloc may return non-zero data). T...

CVE-2023-54304 firmware: meson_sm: fix to avoid potential NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: firmware: mesonsm: fix to avoid potential NULL pointer dereference ofmatchdevice may fail and returns a NULL pointer. Fix this by checking the return value of ofmatchdevice...

CVE-2023-54302

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix data race on CQP completion stats CQP completion statistics is read lockesly in irdmawaitevent and irdmacheckcqpprogress while it can be updated in the completion thread irdmascccqgetcqeinfo on another CPU as KCSA...

CVE-2023-54267

Technical details for CVE-2023-54267 are not publicly available in the provided documents. The initial entry mentions a Linux kernel fix in powerpc/pseries and lppaca_shared_proc() but does not specify affected products/versions or remediation specifics beyond generic description; monitor for upd...

CVE-2023-54257

CVE-2023-54257 affects the Linux kernel net/macb driver. The issue is a memory corruption in extended buffer descriptor mode caused by the DMA subsystem: the driver attempted to free DMA memory it had not allocated, as observed when enabling CONFIG_DMA_API_DEBUG. The problem was reproduced via a ...

CVE-2023-54246

CVE-2023-54246 affects the Linux kernel. The issue arises from rcuscale: rcu_scale_writer() scheduling using schedule_timeout_uninterruptible(), which can hang when rcuscale.holdoff exceeds hung_task_timeout_secs. The fix replaces schedule_timeout_uninterruptible() with schedule_timeout_idle(), a...

CVE-2023-54244

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fix oops when removing custom query handlers When removing custom query handlers, the handler might still be used inside the EC query workqueue, causing a kernel oops if the module holding the callback function was...

CVE-2022-50853 NFSv4: Fix a credential leak in _nfs4_discover_trunking()

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix a credential leak in nfs4discovertrunking...

CVE-2022-50847

CVE-2022-50847 is a Linux kernel vulnerability affecting the DRM bridge for it6505. The issue occurs when the HPD interrupt fires before the DRM subsystem has registered it6505 as a DRM bridge, causing the driver to access the AUX channel and trigger a NULL pointer dereference. The documented fix...

CVE-2022-50847 drm/bridge: it6505: Initialize AUX channel in it6505_i2c_probe

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: it6505: Initialize AUX channel in it6505i2cprobe During device boot, the HPD interrupt could be triggered before the DRM subsystem registers it6505 as a DRM bridge. In such cases, the driver tries to access AUX channe...

CVE-2023-54170

CVE-2023-54170: In the Linux kernel, dns_query() can in rare cases create a duplicate index key in a keyring assoc_array when resolving a hostname. This leads to a kernel BUG_ON() and a crash. The issue occurs during keyring association and DNS resolver interaction in the kernel’s DNS resolver pa...

CVE-2022-50822 RDMA/restrack: Release MR restrack when delete

In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack when delete The MR restrack also needs to be released when delete it, otherwise it cause memory leak as the task struct won't be released...

PT-2025-53938

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s dmc620 pmu init function within the perf/arm dmc620 module. The function fails to remove a callback added by cpuhp setup state multi when platform...

PT-2025-54070

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.4.0-rc3+ 1671 Description The Linux kernel contains a flaw related to KVM on MIPS architecture. Specifically, a NULL pointer dereference can occur when creating a KVM guest after a commit removed KVM TE support...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992389)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992389 advisory. In the Linux kernel, the following vulnerability has been resolved: md/raid10: prevent soft lockup while flush writes Currently, there is no limit for raid1/raid10...