Astra Linux - уязвимость в linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing the cxlmockmem causes a crash with the following error message: BUG: Kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010: cxlregiondecodereset+0x7f/0x180...

CVE-2022-49896

In the Linux kernel, the following vulnerability has been resolved: cxl/pmem: Fix cxlpmemregion and cxlmemdev leak When a cxlnvdimm object goes through a -remove event device physically removed, nvdimm-bridge disabled, or nvdimm device disabled, then any associated regions must also be disabled. ...

kernel: cxl/port: Fix delete_endpoint() vs parent unregistration race

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix deleteendpoint vs parent unregistration race The CXL subsystem, at cxlmem -probe time, establishes a lineage of ports struct cxlport objects between an endpoint and the root of a CXL topology. Each port including th...

SUSE CVE-2023-52849

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing cxlmockmem causes a crash with the following trace: BUG: kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:cxlregiondecodereset+0x7f/0x180 cxlcore .. Cal...

DEBIAN-CVE-2023-52849

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing cxlmockmem causes a crash with the following trace: BUG: kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:cxlregiondecodereset+0x7f/0x180 cxlcore .. Cal...

DEBIAN-CVE-2023-52771

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix deleteendpoint vs parent unregistration race The CXL subsystem, at cxlmem -probe time, establishes a lineage of ports struct cxlport objects between an endpoint and the root of a CXL topology. Each port including th...

CVE-2022-48707

In the Linux kernel, the following vulnerability has been resolved: cxl/region: Fix null pointer dereference for resetting decoder Not all decoders have a reset callback. The CXL specification allows a host bridge with a single root port to have no explicit HDM decoders. Currently the region driv...

UBUNTU-CVE-2023-52849

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing cxlmockmem causes a crash with the following trace: BUG: kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:cxlregiondecodereset+0x7f/0x180 cxlcore .. Cal...

CVE-2023-52849

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing cxlmockmem causes a crash with the following trace: BUG: kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:cxlregiondecodereset+0x7f/0x180 cxlcore .. Cal...

CVE-2023-52849 cxl/mem: Fix shutdown order

In the Linux kernel, the following vulnerability has been resolved: cxl/mem: Fix shutdown order Ira reports that removing cxlmockmem causes a crash with the following trace: BUG: kernel NULL pointer dereference, address: 0000000000000044 .. RIP: 0010:cxlregiondecodereset+0x7f/0x180 cxlcore .. Cal...

CVE-2023-52849

CVE-2023-52849 is a Linux kernel vulnerability related to CXL memory shutdown order. The issue caused a NULL pointer dereference during teardown when removing cxl_mock_mem, tracing through cxl_region_decode_reset and related cleanup paths (cxl_region_detach, cxld_unregister, devres_release_all, d...

CVE-2023-52771

CVE-2023-52771 affects the Linux kernel CXL stack. The issue is a race between delete_endpoint() teardown and parent unregistration, which can impact the cxl_mem/cxl_port topology during port removal. The provided description states two fixes: (1) acquire a reference on the parent to prevent use‑...

CVE-2023-52771 cxl/port: Fix delete_endpoint() vs parent unregistration race

In the Linux kernel, the following vulnerability has been resolved: cxl/port: Fix deleteendpoint vs parent unregistration race The CXL subsystem, at cxlmem -probe time, establishes a lineage of ports struct cxlport objects between an endpoint and the root of a CXL topology. Each port including th...

CVE-2022-48707

CVE-2022-48707 (Linux kernel, cxl/region) : The issue arises when destroying a region that includes a host bridge with a single root port and a decoupled HDM/CXL device, where the region driver creates a special pass-through decoder without a commit/reset callback. Before the fix, the ->reset(...

CVE-2024-26762

In the Linux kernel, the following vulnerability has been resolved: cxl/pci: Skip to handle RAS errors if CXL.mem device is detached The PCI AER model is an awkward fit for CXL error handling. While the expectation is that a PCI device can escalate to link reset to recover from an AER event, the...

CVE-2024-26762 cxl/pci: Skip to handle RAS errors if CXL.mem device is detached

In the Linux kernel, the following vulnerability has been resolved: cxl/pci: Skip to handle RAS errors if CXL.mem device is detached The PCI AER model is an awkward fit for CXL error handling. While the expectation is that a PCI device can escalate to link reset to recover from an AER event, the...

PT-2024-21504 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue arises from the PCI AER model being an awkward fit for CXL error handling. When a PCI device escalates to link reset to recover from an AER event, the same reset on CXL resul...