CVE-2021-47139

CVE-2021-47139 affects the Linux kernel hns3 driver. A race occurs because the netdevice is registered before client initialization completes, creating a window where changes to channels or rx CPU map can trigger hns3_set_rx_cpu_rmap() twice, leading to a crash (BUG at lib/cpu_rmap.c). The fix, a...

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 a possible kernel crash in the TIPC module...

CVE-2021-47163

In the Linux kernel, the following vulnerability has been resolved: tipc: wait and exit until all work queues are done On some host, a crash could be triggered simply by repeating these commands several times: modprobe tipc tipc bearer enable media udp name UDP1 localip 127.0.0.1 rmmod tipc BUG:...

kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sltxtimeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information...

CVE-2023-52610

A memory leak flaw and potential kernel crash were found in the Linux kernel’s Conntrack module. This issue occurs when Conntrack is being used by a local user for a specific configuration, and both fragmented packets are received remotely and out of order. This flaw allows a local or remote user...

DEBIAN-CVE-2023-52610

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix skb leak and crash on ooo frags actct adds skb-users before defragmentation. If frags arrive in order, the last frag's reference is reset in: inetfragreasmprepare skbmorph which is not straightforward. Howev...

CVE-2021-47130

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix freeing unallocated p2pmem In case p2p device was found but the p2p pool is empty, the nvme target is still trying to free the sgl from the p2p pool instead of the regular sgl pool and causing a crash BUG is called...

DEBIAN-CVE-2021-47130

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix freeing unallocated p2pmem In case p2p device was found but the p2p pool is empty, the nvme target is still trying to free the sgl from the p2p pool instead of the regular sgl pool and causing a crash BUG is called...

CVE-2021-47117

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug on in ext4escacheextent as ext4splitextentat failed We got follow bugon when run fsstress with injecting IO fault: 130747.323114 kernel BUG at fs/ext4/extentsstatus.c:762! 130747.323117 Internal error: Oops - BUG: 0...

SUSE CVE-2023-52489

In the Linux kernel, the following vulnerability has been resolved: mm/sparsemem: fix race in accessing memorysection-usage The below race is observed on a PFN which falls into the device memory region with the system memory configuration where PFN's are such that ZONENORMAL ZONEDEVICE ZONENORMAL...

kernel: out-of-bounds access in relay_file_read

An out-of-bounds OOB memory access flaw was found in the Linux kernel in relayfilereadstartpos in kernel/relay.c in the relayfs. This flaw allows a local attacker to crash the system or leak kernel internal information...

CVE-2023-52489

A race condition was found on a PFN in the Linux Kernel, which can fall into the device memory region with the system memory configuration. Normal zone start and end PFNs contain the device memory PFNs as well, and the compaction triggered will try on the device memory PFNs and end up in NOP. Thi...

CVE-2023-52490

In the Linux kernel, the following vulnerability has been resolved: mm: migrate: fix getting incorrect page mapping during page migration When running stress-ng testing, we found below kernel crash after a few hours: Unable to handle kernel NULL pointer dereference at virtual address...

CVE-2023-52489

In the Linux kernel, the following vulnerability has been resolved: mm/sparsemem: fix race in accessing memorysection-usage The below race is observed on a PFN which falls into the device memory region with the system memory configuration where PFN's are such that ZONENORMAL ZONEDEVICE ZONENORMAL...

CVE-2023-52490

In the Linux kernel, the following vulnerability has been resolved: mm: migrate: fix getting incorrect page mapping during page migration When running stress-ng testing, we found below kernel crash after a few hours: Unable to handle kernel NULL pointer dereference at virtual address...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: mm: migrate: fix getting incorrect page mapping during page migration When running stress-ng testing, we found below kernel crash after a few hours: Unable to handle kernel NULL pointer dereference at virtual address...

UBUNTU-CVE-2023-52489

In the Linux kernel, the following vulnerability has been resolved: mm/sparsemem: fix race in accessing memorysection-usage The below race is observed on a PFN which falls into the device memory region with the system memory configuration where PFN's are such that ZONENORMAL ZONEDEVICE ZONENORMAL...

SUSE CVE-2021-47100

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix UAF when uninstall ipmisi and ipmimsghandler module Hi, When testing install and uninstall of ipmisi.ko and ipmimsghandler.ko, the system crashed. The log as follows: 141.087026 BUG: unable to handle kernel paging reque...

Linux kernel security vulnerabilities

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 a kernel crash problem when forwarding mcast packets...

CVE-2021-47095

In the Linux kernel, the following vulnerability has been resolved: ipmi: ssif: initialize ssifinfo-client early During probe ssifinfo-client is dereferenced in error path. However, it is set when some of the error checking has already been done. This causes following kernel crash if an error pat...