OESA-2024-1356 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Don't advance iterator after restart due to yielding After dropping mmulock in the TDP MMU, restart the iterator during tdpiternext and do not...

PT-2024-18889 · Qualcomm · Qualcomm

Name of the Vulnerable Software and Affected Versions: Qualcomm affected versions not specified Description: The issue is related to memory corruption that occurs when there is a failed unmap operation in the GPU. This can lead to a use-after-free UAF condition in the client if a dangling page...

DEBIAN-CVE-2021-47094

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Don't advance iterator after restart due to yielding After dropping mmulock in the TDP MMU, restart the iterator during tdpiternext and do not advance the iterator. Advancing the iterator results in skipping the...

SUSE CVE-2021-47034

In the Linux kernel, the following vulnerability has been resolved: powerpc/64s: Fix pte update for kernel memory on radix When adding a PTE a ptesync is needed to order the update of the PTE with subsequent accesses otherwise a spurious fault may be raised. radixsetpteat does not do this for...

CVE-2021-46912 net: Make tcp_allowed_congestion_control readonly in non-init netns

In the Linux kernel, the following vulnerability has been resolved: net: Make tcpallowedcongestioncontrol readonly in non-init netns Currently, tcpallowedcongestioncontrol is global and writable; writing to it in any net namespace will leak into all other net namespaces...

kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry

A vulnerability was found in followpagepte in mm/gup.c in the Linux Kernel. This issue occurs due to a race problem which can poison the page table entry and cause a denial-of-service...

ALPINE-CVE-2023-34326

The caching invalidation guidelines from the AMD-Vi specification 48882—Rev 3.07-PUB—Oct 2022 is incorrect on some hardware, as devices will malfunction see stale DMA mappings if some fields of the DTE are updated but the IOMMU TLB is not flushed. Such stale DMA mappings can point to memory range...

kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry

A vulnerability was found in followpagepte in mm/gup.c in the Linux Kernel. This issue occurs due to a race problem which can poison the page table entry and cause a denial-of-service...

kernel: denial of service in follow_page_pte in mm/gup.c due to poisoned pte entry

A vulnerability was found in followpagepte in mm/gup.c in the Linux Kernel. This issue occurs due to a race problem which can poison the page table entry and cause a denial-of-service...

kernel: highmem: fix checks in __kmap_local_sched_{in,out}

In the Linux kernel, the following vulnerability has been resolved: highmem: fix checks in kmaplocalschedin,out When CONFIGDEBUGKMAPLOCAL is enabled kmaplocalschedin,out check that even slots in the tsk-kmapctrl.pteval are unmapped. The slots are initialized with 0 value, but the check is done wi...

The vulnerability in the `follow_page_pte` function of the `mm/gup.c` file in the Linux kernel allows a hacker to trigger a service failure or gain unauthorized access to protected information.

The vulnerability of the followpagepte function in the mm/gup.c file of the Linux operating system’s kernel is related to the race condition. Exploiting this vulnerability can allow an attacker to cause a service failure or gain unauthorized access to protected information...

PT-2023-35044 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.8 Description: The issue concerns the handling of PTE markers in the hugetlb change protection function. It was introduced in version v5.19 and fixed in version v6.1.8. The actual impact and attack...

PT-2022-35155 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue is related to a warning fix in the Linux Kernel without PTE MARKER UFFD WP compiled in. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linu...

DEBIAN-CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

CVE-2022-1158

A flaw was found in KVM. When updating a guest's page table entry, vmpgoff was improperly used as the offset to get the page's pfn. As vaddr and vmpgoff are controllable by user-mode processes, this flaw allows unprivileged local users on the host to write outside the userspace region and...

PT-2022-31867

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.10.121 Description The issue concerns the net/mlx5 component in the Linux Kernel, where the Flow Steering Table Entry FTE is not properly deleted when there are no rules attached to it. This is an automated ID...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5416-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5416-1 advisory. Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not properly perform guest page table updates in...

PT-2025-8495

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved. The issue is related to the KVM x86 component, where the update of guest PTE A/D bits was not properly handled. The VM PFNMAP path...

XStream: Unsafe deserizaliation of com.sun.corba.se.impl.activation.ServerTableEntry

A flaw was found in xstream. A remote attacker, who has sufficient rights, can execute commands of the host by manipulating the processed input stream. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

XStream: Unsafe deserizaliation of com.sun.corba.se.impl.activation.ServerTableEntry

A flaw was found in xstream. A remote attacker, who has sufficient rights, can execute commands of the host by manipulating the processed input stream. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...