CVE-2023-52490 mm: migrate: fix getting incorrect page mapping during page migration

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 mm/sparsemem: fix race in accessing memory_section->usage

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-2023-52489 mm/sparsemem: fix race in accessing memory_section->usage

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-2023-52489 mm/sparsemem: fix race in accessing memory_section->usage

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-2023-52489

CVE-2023-52489 is tied to a Linux kernel race in mm/sparsemem memory sections (memory_section->usage) when PFNs span ZONE_NORMAL, ZONE_DEVICE, ZONE_NORMAL and memory compaction runs. The race occurs between pfn_valid()/pfn_section_valid() and section_deactivate, where ms->usage can be NULL ...

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-2021-46983

A flaw was found in an error-handling function in the Linux kernel's NVMe driver. This flaw allows an attacker with control over NVMe links to cause a denial of service. Mitigation Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a...

CVE-2023-52478

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidppconnectevent has four time-of-check vs time-of-use TOCTOU races when it races with itself. hidppconnectevent primarily runs from a workqueue but it also runs o...

UBUNTU-CVE-2023-52478

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidppconnectevent has four time-of-check vs time-of-use TOCTOU races when it races with itself. hidppconnectevent primarily runs from a workqueue but it also runs o...

CVE-2023-52477 usb: hub: Guard against accesses to uninitialized BOS descriptors

In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields inside udev-bos without checking if it was allocated and initialized. If...

CVE-2023-52478 HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidppconnectevent has four time-of-check vs time-of-use TOCTOU races when it races with itself. hidppconnectevent primarily runs from a workqueue but it also runs o...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that originates from a kernel crash when the receiver USB is disconnected...

CVE-2021-47027

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash when the firmware fails to download Fix kernel crash when the firmware is missing or fails to download. 9.444758 kernel BUG at drivers/pci/msi.c:375! 9.449363 Internal error: Oops - BUG: 0 1 PREEMPT...

CVE-2021-46981

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

DEBIAN-CVE-2021-46990

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix crashes when toggling entry flush barrier The entry flush mitigation can be enabled/disabled at runtime via a debugfs file entryflush, which causes the kernel to patch itself to enable/disable the relevant...

CVE-2021-46983

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: Fix NULL deref when SEND is completed with error When running some traffic and taking down the link on peer, a retry counter exceeded error is received. This leads to nvmetrdmaerrorcomp which tried accessing the...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash when the firmware fails to download Fix kernel crash when the firmware is missing or fails to download. 9.444758 kernel BUG at drivers/pci/msi.c:375! 9.449363 Internal error: Oops - BUG: 0 1 PREEMPT...

CVE-2021-47027

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash when the firmware fails to download Fix kernel crash when the firmware is missing or fails to download. 9.444758 kernel BUG at drivers/pci/msi.c:375! 9.449363 Internal error: Oops - BUG: 0 1 PREEMPT...

UBUNTU-CVE-2021-47027

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash when the firmware fails to download Fix kernel crash when the firmware is missing or fails to download. 9.444758 kernel BUG at drivers/pci/msi.c:375! 9.449363 Internal error: Oops - BUG: 0 1 PREEMPT...

CVE-2021-47027 mt76: mt7921: fix kernel crash when the firmware fails to download

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix kernel crash when the firmware fails to download Fix kernel crash when the firmware is missing or fails to download. 9.444758 kernel BUG at drivers/pci/msi.c:375! 9.449363 Internal error: Oops - BUG: 0 1 PREEMPT...