SUSE-SU-2025:4506-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2022-50280: pnode: terminate at peers of source bsc1249806. - CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in liotargetnaclinfoshow bsc1251786. -...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50253: bpf: make sure skb-len != 0 when redirecting to a tunneling device bsc1249912. CVE-2023-53676: scsi: target: iscsi: Fix buffer overflow in...

SUSE CVE-2025-68211

In the Linux kernel, the following vulnerability has been resolved: ksm: use range-walk function to jump over holes in scangetnextrmapitem Currently, scangetnextrmapitem walks every page address in a VMA to locate mergeable pages. This becomes highly inefficient when scanning large virtual memory...

AZL-72419 CVE-2025-68211 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: ksm: use range-walk function to jump over holes in scangetnextrmapitem Currently, scangetnextrmapitem walks every page address in a VMA to locate mergeable pages. This becomes highly inefficient when scanning large virtual memory...

AZL-78398 CVE-2025-68211 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ksm: use range-walk function to jump over holes in scangetnextrmapitem Currently, scangetnextrmapitem walks every page address in a VMA to locate mergeable pages. This becomes highly inefficient when scanning large virtual memory...

Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2025-28040)

The remote Oracle Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-28040 advisory. - netfilter: nftables: reject duplicate device on updates Pablo Neira Ayuso Orabug: 38712798 CVE-2025-38678 - ice: fix using untrusted value of...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1297)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1297 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption CVE-2025-40019 In the Linux kernel, the following...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption CVE-2025-40019 In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise CVE-2025-40040...

SUSE CVE-2025-40040

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

AZL-78386 CVE-2025-40040 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

CVE-2025-40040

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

AZL-68870 CVE-2025-40040 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

UBUNTU-CVE-2025-40040

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

CVE-2025-40040

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

EUVD-2025-36488

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422 kernel BUG at mm/userfaultfd.c:2067! 44.608148 Oops: invalid opcode: 000...

CVE-2025-40040

CVE-2025-40040 (Linux kernel) affects the flag-dropping behavior in mm/ksm when madvise() is used on a UFFD-registered VMA. The issue arises from the interaction of VM_MERGEABLE and 32/64-bit width when applying the &= ~VM_MERGEABLE on vm_flags, which can clear the upper 32 bits and trigger a ker...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from improper flag dropping behavior in the ksmmadvise function, which could lead to a kernel crash...

Linux Distros Unpatched Vulnerability : CVE-2025-40040

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm/ksm: fix flag-dropping behavior in ksmmadvise syzkaller discovered the following crash: kernel BUG 44.607039 ------------ cut here ------------ 44.607422...

PT-2025-44108

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.16.0-rc6 Description The Linux kernel contains a flaw in the ksm madvise function related to how flags are handled during MADV UNMEARGEABLE operations on memory regions registered for userfaultfd UFFD in MINOR...

SUSE CVE-2023-53614

In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix race with VMA iteration and mmstruct teardown exitmmap will tear down the VMAs and maple tree with the mmaplock held in write mode. Ensure that the maple tree is still valid by checking ksmtestexit after taking the...