CVE-2022-48897 arm64/mm: fix incorrect file_map_count for invalid pmd

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

CVE-2022-48897 arm64/mm: fix incorrect file_map_count for invalid pmd

In the Linux kernel, the following vulnerability has been resolved: arm64/mm: fix incorrect filemapcount for invalid pmd The page table check trigger BUGON unexpectedly when split hugepage: ------------ cut here ------------ kernel BUG at mm/pagetablecheck.c:119! Internal error: Oops - BUG:...

CVE-2022-48892 sched/core: Fix use-after-free bug in dup_user_cpus_ptr()

In the Linux kernel, the following vulnerability has been resolved: sched/core: Fix use-after-free bug in dupusercpusptr Since commit 07ec77a1d4e8 "sched: Allow task CPU affinity to be restricted on asymmetric systems", the setting and clearing of usercpusptr are done under pilock for arm64...

CVE-2022-48892

In the Linux kernel, the following vulnerability has been resolved: sched/core: Fix use-after-free bug in dupusercpusptr Since commit 07ec77a1d4e8 "sched: Allow task CPU affinity to be restricted on asymmetric systems", the setting and clearing of usercpusptr are done under pilock for arm64...

CVE-2022-48892

CVE-2022-48892 : Linux kernel sched/core fix for a use-after-free in dup_user_cpus_ptr(). The vulnerability existed due to dup_user_cpus_ptr() accessing user_cpus_ptr without proper locking, racing with fork() and the clearing of user_cpus_ptr during set_cpus_allowed_ptr_locked(), primarily affec...

CVE-2022-48892 sched/core: Fix use-after-free bug in dup_user_cpus_ptr()

In the Linux kernel, the following vulnerability has been resolved: sched/core: Fix use-after-free bug in dupusercpusptr Since commit 07ec77a1d4e8 "sched: Allow task CPU affinity to be restricted on asymmetric systems", the setting and clearing of usercpusptr are done under pilock for arm64...

Ubuntu 20.04 LTS : Linux kernel (BlueField) vulnerabilities (USN-6951-4)

"The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-4 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

Ubuntu 20.04 LTS : Linux kernel (HWE) vulnerabilities (USN-6950-4)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6950-4 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

Ubuntu: Security Advisory (USN-6951-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-6951-3: Linux kernel (Azure) 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; - M68K architecture; - User-Mode Linux UML; - x86 architecture; - Accessibility subsystem; -...

CVE-2024-42293

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Fix lockless walks with static and dynamic page-table folding Lina reports random oopsen originating from the fast GUP code when 16K pages are used with 4-level page-tables, the fourth level being folded at runtime due...

CVE-2024-42317

In the Linux kernel, the following vulnerability has been resolved: mm/hugememory: avoid PMD-size page cache if needed xarray can't support arbitrary page cache size. the largest and supported page cache size is defined as MAXPAGECACHEORDER by commit 099d90642a71 "mm/filemap: make MAXPAGECACHEORD...

CVE-2024-43840

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

Ubuntu 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6951-3)

"The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-3 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

SUSE CVE-2024-42293

In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Fix lockless walks with static and dynamic page-table folding Lina reports random oopsen originating from the fast GUP code when 16K pages are used with 4-level page-tables, the fourth level being folded at runtime due...

CVE-2024-43840

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

CVE-2024-43840

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

CVE-2024-43840 bpf, arm64: Fix trampoline for BPF_TRAMP_F_CALL_ORIG

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

CVE-2024-43840 bpf, arm64: Fix trampoline for BPF_TRAMP_F_CALL_ORIG

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fix trampoline for BPFTRAMPFCALLORIG When BPFTRAMPFCALLORIG is set, the trampoline calls bpftrampenter and bpftrampexit functions, passing them the struct bpftrampimage im pointer as an argument in R0. The trampoline...

CVE-2024-43840

CVE-2024-43840 – Linux kernel (arm64, BPF trampoline) : The trampoline code for BPF_TRAMP_F_CALL_ORIG incorrectly used emit_addr_mov_i64(), assuming the bpf_tramp_image address resides in vmalloc() space with 48-bit handling. If the address exceeds 48 bits (e.g., kzalloc’d bpf_tramp_image), the t...