CVE-2023-53259

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

DEBIAN-CVE-2023-53217

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proccreatesingledata conversion The conversion to proccreatesingledata introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: grep -r . /proc/bus/nubus/e/ Data read fault...

CVE-2022-50282

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

DEBIAN-CVE-2022-50282

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

UBUNTU-CVE-2023-53259

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

UBUNTU-CVE-2022-50282

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

CVE-2023-53259 VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

CVE-2023-53259

CVE-2023-53259 (Linux kernel) is a local vulnerability in VMCI where vmci_host_setup_notify() may dereference a NULL context->notify_page after get_user_pages_fast(), causing a general protection fault. The fix, as documented in the advisory, is to validate context->notify_page and return a...

CVE-2023-53259 VMCI: check context->notify_page after call to get_user_pages_fast() to avoid GPF

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

CVE-2023-53217

Summary (CVE-2023-53217): Linux kernel vulnerability affecting the nubus subsystem where reading files under /proc/bus/nubus could segfault. The issue stems from a regression introduced during the conversion of proc_create_single_data() usage, making single_open() calls with nubus_proc_rsrc_show(...

CVE-2022-50282 chardev: fix error handling in cdev_device_add()

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

CVE-2022-50282 chardev: fix error handling in cdev_device_add()

In the Linux kernel, the following vulnerability has been resolved: chardev: fix error handling in cdevdeviceadd While doing fault injection test, I got the following report: ------------ cut here ------------ kobject: 'null' 0000000039956980: is not initialized, yet kobjectput is being called...

CVE-2022-50282

CVE-2022-50282: Linux kernel vulnerability in chardev handling where error paths in cdev_device_add() could leave kobject state inconsistent during fault injection tests. Connected advisories (Unity Linux UTSA entries and related EulerOS/SUSE notices) confirm the issue and describe the fix as add...

UBUNTU-CVE-2023-53163

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: don't hold nilock when calling truncatesetsize syzbot is reporting hung task at douseraddrfault 1, for there is a silent deadlock between PGlocked bit and nilock lock. Since filemapupdatepage calls filemapreadfolio afte...

CVE-2022-50257 xen/gntdev: Prevent leaking grants

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: Prevent leaking grants Prior to this commit, if a grant mapping operation failed partially, some of the entries in the mapops array would be invalid, whereas all of the entries in the kmapops array would be valid. Thi...

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 the Linux kernel that stems from the proccreatesingledata conversion causing a segment error when reading the /proc/bus/nubus file...

CVE-2022-50317: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: megachips: Fix a null pointer dereference bug When removing the module we will get the following warning: 31.911505 i2c-core: driver stdp2690-ge-b850v3-fw unregistered 31.912484 general protection fault, probably for...

CVE-2023-53217: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proccreatesingledata conversion The conversion to proccreatesingledata introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: grep -r . /proc/bus/nubus/e/ Data read fault...

CVE-2022-50272: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb: az6027: fix null-ptr-deref in az6027i2cxfer Wei Chen reports a kernel bug as blew: general protection fault, probably for non-canonical address KASAN: null-ptr-deref in range 0x0000000000000010-0x0000000000000017...

CVE-2023-53198: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: raw: Fix NULL deref in rawgetnext. Dae R. Jeong reported a NULL deref in rawgetnext 0. It seems that the repro was running these sequences in parallel so that one thread was iterating on a socket that was being freed in another...