UBUNTU-CVE-2023-54314

In the Linux kernel, the following vulnerability has been resolved: media: af9005: Fix null-ptr-deref in af9005i2cxfer In af9005i2cxfer, 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 af9005i2cxfer. If...

UBUNTU-CVE-2023-54315

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/sriov: perform null check on iov before dereferencing iov Currently pointer iov is being dereferenced before the null check of iov which can lead to null pointer dereference errors. Fix this by moving the iov null...

UBUNTU-CVE-2023-54240

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: fix possible NULL pointer dereference in mtkhwlrogetfdirall rulelocs is allocated in ethtoolgetrxnfc and the size is determined by rulecnt from user space. So rulecnt needs to be check before using...

UBUNTU-CVE-2023-54204

In the Linux kernel, the following vulnerability has been resolved: mmc: sunplus: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, 1. the memory allocated in mmcallochost will be leaked 2. null-ptr-deref will happen when calling mmcremovehost in...

UBUNTU-CVE-2023-54261

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add missing gfx11 MQD manager callbacks mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup" but not assigned for gfx11. Fixes a NULL dereference in debugfs...

CVE-2022-50877

In the Linux kernel, the following vulnerability has been resolved: net: broadcom: bcm4908enet: update TX stats after actual transmission Queueing packets doesn't guarantee their transmission. Update TX stats after hardware confirms consuming submitted data. This also fixes a possible race and NU...

CVE-2023-54264

In the Linux kernel, the following vulnerability has been resolved: fs/sysv: Null check to prevent null-ptr-deref bug sbgetblkinode-isb, parent return a null ptr and taking lock on that leads to the null-ptr-deref bug...

CVE-2023-54279

In the Linux kernel, the following vulnerability has been resolved: MIPS: fw: Allow firmware to pass a empty env fwgetenv will use env entry to determine style of env, however it is legal for firmware to just pass a empty list. Check if first entry exist before running strchr to avoid null pointe...

CVE-2023-54315

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv/sriov: perform null check on iov before dereferencing iov Currently pointer iov is being dereferenced before the null check of iov which can lead to null pointer dereference errors. Fix this by moving the iov null...

CVE-2023-54189

In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Add check for kstrdup Add check for the return value of kstrdup and return the error if it fails in order to avoid NULL pointer dereference...

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-2023-54271

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

UBUNTU-CVE-2023-54184

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsit: Free cmds before session free Commands from recovery entries are freed after session has been closed. That leads to use-after-free at command free or NPE with such call trace: Time2Retain timer expired for...

UBUNTU-CVE-2022-50877

In the Linux kernel, the following vulnerability has been resolved: net: broadcom: bcm4908enet: update TX stats after actual transmission Queueing packets doesn't guarantee their transmission. Update TX stats after hardware confirms consuming submitted data. This also fixes a possible race and NU...

UBUNTU-CVE-2022-50888

In the Linux kernel, the following vulnerability has been resolved: remoteproc: qcom: q6v5: Fix potential null-ptr-deref in q6v5wcssinitmmio q6v5wcssinitmmio will call platformgetresourcebyname that may fail and return NULL. devmioremap will use res-start as input, which may causes null-ptr-deref...

CVE-2022-50847

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-2022-50846

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...

CVE-2022-50842

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Check whether transferred 2D BO is shmem Transferred 2D BO always must be a shmem BO. Add check for that to prevent NULL dereference if userspace passes a VRAM BO...

CVE-2022-50812

In the Linux kernel, the following vulnerability has been resolved: security: Restrict CONFIGZEROCALLUSEDREGS to gcc or clang 15.0.6 A bad bug in clang's implementation of -fzero-call-used-regs can result in NULL pointer dereferences see the links above the check for more information. Restrict...

CVE-2022-50826

In the Linux kernel, the following vulnerability has been resolved: ipu3-imgu: Fix NULL pointer dereference in imgusubdevsetselection Calling v4l2subdevgettrycrop and v4l2subdevgettrycompose with a subdev state of NULL leads to a NULL pointer dereference. This can currently happen in...