USN-8491-1: Linux kernel (OEM) 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; - x86 architecture; - Block layer subsystem; - Cryptographic API; - DMA engine subsystem; -...

CVE-2026-53354

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Mitigate TLBI errata on various Arm CPUs A number of CPUs developed by Arm suffer from errata whereby a broadcast TLBI;DSB sequence may complete before the global observation of writes which are translated by an...

CVE-2026-53346

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

CVE-2026-53342

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...

CVE-2026-53346

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

UBUNTU-CVE-2026-53346

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

CVE-2026-53342

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...

CVE-2026-53354

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Mitigate TLBI errata on various Arm CPUs A number of CPUs developed by Arm suffer from errata whereby a broadcast TLBI;DSB sequence may complete before the global observation of writes which are translated by an...

SUSE-SU-2026:2722-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs bsc1266290. - CVE-2025-68822: Input: alps - fix use-after-free bugs caused by dev3registerwor...

EUVD-2026-40988

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Mitigate TLBI errata on various Arm CPUs A number of CPUs developed by Arm suffer from errata whereby a broadcast TLBI;DSB sequence may complete before the global observation of writes which are translated by an...

CVE-2026-53354

Technical details for CVE-2026-53354 are not provided in the connected documents. Monitor for updates.

CVE-2026-53346

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

CVE-2026-53346

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

EUVD-2026-40980

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

CVE-2026-53346 rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

CVE-2026-53346 rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES

In the Linux kernel, the following vulnerability has been resolved: rust: arm64: set uwtable llvm module flag for CONFIGUNWINDTABLES Due to a rustc bug 1 the -Cforce-unwind-tables=y flag only emits the uwtable annotation for functions, but not for the module. This means that compiler-generated...

CVE-2026-53342

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...

CVE-2026-53342

CVE-2026-53342 (ARM64 Linux kernel) has a concrete technical detail: page-table allocations on ARM64 now always call pagetable_ctor(), but the corresponding pagetable_dtor() was not added, which can trigger a BAD page state warning or memory leaks under certain hot-plug memory scenarios. The vuln...

CVE-2026-53342 arm64: mm: call pagetable dtor when freeing hot-removed page tables

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...

CVE-2026-53342

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: call pagetable dtor when freeing hot-removed page tables Since 5e8eb9aeeda3 "arm64: mm: always call PTE/PMD ctor in createpgdmapping" page-table allocation on ARM64 always calls pagetablepte,pmd,pud,p4dctor. This sets...