USN-7769-3: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - ACP...

CVE-2023-53323

In the Linux kernel, the following vulnerability has been resolved: ext2/dax: Fix ext2setsize when len is page aligned PAGEALIGNx macro gives the next highest value which is multiple of pagesize. But if x is already page aligned then it simply returns x. So, if x passed is 0 in daxzerorange...

exynos-exploit

Exynos Exploit This is a POC for exploiting the /dev/exyno...

Linux Distros Unpatched Vulnerability : CVE-2025-38072

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libnvdimm/labels: Fix divide error in ndlabeldatainit If a faulty CXL memory device returns a broken zero LSA size in its memory device information Identify...

Linux Distros Unpatched Vulnerability : CVE-2022-49896

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: cxl/pmem: Fix cxlpmemregion and cxlmemdev leak When a cxlnvdimm object goes through a -remov...

Linux Distros Unpatched Vulnerability : CVE-2023-52849

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

SUSE CVE-2025-38252

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix CPER handler device confusion By inspection, cxlcperhandleproterr is making a series of fragile assumptions that can lead to crashes: 1/ It assumes that endpoints identified in the record are a CXL-type-3 device,...

UBUNTU-CVE-2025-38252

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix CPER handler device confusion By inspection, cxlcperhandleproterr is making a series of fragile assumptions that can lead to crashes: 1/ It assumes that endpoints identified in the record are a CXL-type-3 device,...

CVE-2025-38252 cxl/ras: Fix CPER handler device confusion

In the Linux kernel, the following vulnerability has been resolved: cxl/ras: Fix CPER handler device confusion By inspection, cxlcperhandleproterr is making a series of fragile assumptions that can lead to crashes: 1/ It assumes that endpoints identified in the record are a CXL-type-3 device,...

SUSE CVE-2025-38072

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Fix divide error in ndlabeldatainit If a faulty CXL memory device returns a broken zero LSA size in its memory device information Identify Memory Device Opcode 4000h, CXL spec. 3.1, 8.2.9.9.1.1, a divide error...

DEBIAN-CVE-2025-38072

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Fix divide error in ndlabeldatainit If a faulty CXL memory device returns a broken zero LSA size in its memory device information Identify Memory Device Opcode 4000h, CXL spec. 3.1, 8.2.9.9.1.1, a divide error...

CVE-2025-38072

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Fix divide error in ndlabeldatainit If a faulty CXL memory device returns a broken zero LSA size in its memory device information Identify Memory Device Opcode 4000h, CXL spec. 3.1, 8.2.9.9.1.1, a divide error...

CVE-2025-38072 libnvdimm/labels: Fix divide error in nd_label_data_init()

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Fix divide error in ndlabeldatainit If a faulty CXL memory device returns a broken zero LSA size in its memory device information Identify Memory Device Opcode 4000h, CXL spec. 3.1, 8.2.9.9.1.1, a divide error...

CVE-2025-38072 libnvdimm/labels: Fix divide error in nd_label_data_init()

In the Linux kernel, the following vulnerability has been resolved: libnvdimm/labels: Fix divide error in ndlabeldatainit If a faulty CXL memory device returns a broken zero LSA size in its memory device information Identify Memory Device Opcode 4000h, CXL spec. 3.1, 8.2.9.9.1.1, a divide error...

CVE-2025-38072

CVE-2025-38072 affects the Linux kernel in the libnvdimm/labels component. A faulty CXL memory device can report a zero LSA size, causing config_size to be zero and leading to max_xfer being zero. This triggers a division by zero in the nd_label_data_init/label handling flow (divide error in libn...

kernel: fs/inode: Prevent dump_mapping() accessing invalid dentry.d_name.name

In the Linux kernel, the following vulnerability has been resolved: fs/inode: Prevent dumpmapping accessing invalid dentry.dname.name It's observed that a crash occurs during hot-remove a memory device, in which user is accessing the hugetlb. See calltrace as following: ------------ cut here...

SUSE 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. ...

DEBIAN-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. ...

PT-2025-25846

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A divide error occurs in the libnvdimm driver when a faulty CXL memory device returns a broken zero LSA size in its memory device information. This error happens because the config size ...

Linux Distros Unpatched Vulnerability : CVE-2024-49934

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs/inode: Prevent dumpmapping accessing invalid dentry.dname.name It's observed that a crash occurs during hot-remove a memory device, in which user is accessin...