Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an unchecked NULL pointer, which could result in a null pointer dereference...

SUSE CVE-2022-50369

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix null-ptr-deref in vkmsrelease A null-ptr-deref is triggered when it tries to destroy the workqueue in vkms-output.composerworkq in vkmsrelease. KASAN: null-ptr-deref in range 0x0000000000000118-0x000000000000011f CP...

SUSE CVE-2022-50383

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Can't set dst buffer to done when lat decode error Core thread will call v4l2m2mbufdone to set dst buffer done for lat architecture. If lat call v4l2m2mbufdoneandjobfinish to free dst buffer when lat deco...

SUSE CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

SUSE CVE-2023-53392

In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix kernel panic during warm reset During warm reset device-fwclient is set to NULL. If a bus driver is registered after this NULL setting and before new firmware clients are enumerated by ISHTP, kernel panic...

CVE-2023-53399

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2getinfofilesystem If share is , share-path is NULL and it cause NULL pointer dereference issue...

CVE-2023-53380

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix null-ptr-deref of mreplace in raid10syncrequest There are two check of 'mreplace' in raid10syncrequest. In the first check, 'needreplace' will be set and 'mreplace' will be used later if no-Faulty 'mreplace' exists...

CVE-2023-53440

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix sysfs interface lifetime The current nilfs2 sysfs support has issues with the timing of creation and deletion of sysfs entries, potentially leading to null pointer dereferences, use-after-free, and lockdep warnings...

DEBIAN-CVE-2022-50415

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: starttask createsinglethreadworkqueue faile...

UBUNTU-CVE-2023-53444

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: fix bulkmove corruption when adding a entry When the resource is the first in the bulkmove range, adding it again thus moving it to the tail will corrupt the list since the first pointer is not moved. This eventually lea...

UBUNTU-CVE-2022-50402

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: check the return value of mdbitmapgetcounter Check the return value of mdbitmapgetcounter in case it returns NULL pointer, which will result in a null pointer dereference. v2: update the check to include oth...

UBUNTU-CVE-2022-50415

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: starttask createsinglethreadworkqueue faile...

CVE-2023-53442 ice: Block switchdev mode when ADQ is active and vice versa

In the Linux kernel, the following vulnerability has been resolved: ice: Block switchdev mode when ADQ is active and vice versa ADQ and switchdev are not supported simultaneously. Enabling both at the same time can result in nullptr dereference. To prevent this, check if ADQ is active when changi...

CVE-2023-53425 media: platform: mediatek: vpu: fix NULL ptr dereference

In the Linux kernel, the following vulnerability has been resolved: media: platform: mediatek: vpu: fix NULL ptr dereference If pdev is NULL, then it is still dereferenced. This fixes this smatch warning: drivers/media/platform/mediatek/vpu/mtkvpu.c:570 vpuloadfirmware warn: address of NULL point...

CVE-2023-53419 rcu: Protect rcu_print_task_exp_stall() ->exp_tasks access

In the Linux kernel, the following vulnerability has been resolved: rcu: Protect rcuprinttaskexpstall -exptasks access For kernels built with CONFIGPREEMPTRCU=y, the following scenario can result in a NULL-pointer dereference: CPU1 CPU2 rcupreemptdeferredqsirqrestore rcuprinttaskexpstall if...

CVE-2022-50415 parisc: led: Fix potential null-ptr-deref in start_task()

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: starttask createsinglethreadworkqueue faile...

CVE-2022-50415

In the Linux kernel, the following vulnerability has been resolved: parisc: led: Fix potential null-ptr-deref in starttask starttask calls createsinglethreadworkqueue and not checked the ret value, which may return NULL. And a null-ptr-deref may happen: starttask createsinglethreadworkqueue faile...

CVE-2022-50405 net/tunnel: wait until all sk_user_data reader finish before releasing the sock

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: wait until all skuserdata reader finish before releasing the sock There is a race condition in vxlan that when deleting a vxlan device during receiving packets, there is a possibility that the sock is released after...

CVE-2022-50405

The CVE-2022-50405 entry describes a Linux kernel race in the vxlan path (net/tunnel) where deleting a vxlan device during packet reception can release a sock before sk_user_data readers finish. This leads to a NULL pointer dereference in vxlan_ecn_decapsulate() / vxlan_get_sk_family(). The repro...

CVE-2022-50405

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: wait until all skuserdata reader finish before releasing the sock There is a race condition in vxlan that when deleting a vxlan device during receiving packets, there is a possibility that the sock is released after...