CVE-2024-35871

CVE-2024-35871 concerns a kernel-level issue in riscv process handling that leaks the kernel global pointer (gp) via user-space observables. The vulnerability stems from how childregs (the user-context registers during syscall) can expose kernel gp in several ways (e.g., after execve, via ptrace,...

CVE-2024-35871 riscv: process: Fix kernel gp leakage

In the Linux kernel, the following vulnerability has been resolved: riscv: process: Fix kernel gp leakage childregs represents the registers which are active for the new thread in user context. For a kernel thread, childregs-gp is never used since the kernel gp is not touched by switchto. For a...

RHEL 9 : kernel (RHSA-2024:2845)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:2845 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: untrusted VMM can trigger int8...

CrimsonEDR - Simulate The Behavior Of AV/EDR For Malware Development Training

CrimsonEDR is an open-source project engineered to identify specific malware patterns, offering a tool for honing skills in circumventing Endpoint Detection and Response EDR. By leveraging diverse detection methods, it empowers users to deepen their understanding of security evasion tactics...

RHEL 7 / 8 : OpenShift Virtualization 4.12.0 RPMs (RHSA-2023:0407)

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:0407 advisory. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform.This advisory contains...

RHEL 8 : Red Hat OpenShift Data Foundation 4.10.0 RPM (RHSA-2022:1361)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:1361 advisory. Red Hat OpenShift Data Foundation is software-defined storage integrated with and optimized for the Red Hat OpenShift Container Platform. Re...

CVE-2024-26819

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority for the following reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2024-26900

In the Linux kernel, the following vulnerability has been resolved: md: fix kmemleak of rdev-serial If kobjectadd is fail in bindrdevtoarray, 'rdev-serial' will be alloc not be freed, and kmemleak occurs. unreferenced object 0xffff88815a350000 size 49152: comm "mdadm", pid 789, jiffies 4294716910...

CVE-2024-26819

CVE-2024-26819 is rejected/not used; this entry does not represent an active vulnerability.

CVE-2024-26786

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix ioptaccesslistid overwrite bug Syzkaller reported the following WARNON: WARNING: CPU: 1 PID: 4738 at drivers/iommu/iommufd/iopagetable.c:1360 Call Trace: iommufdaccesschangeioas+0x2fe/0x4e0...

CVE-2024-26688

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26688 fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26688 fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26641

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: make sure to pull inner header in ip6tnlrcv syzbot found ip6tnlrcv could access unitiliazed data 1. Call pskbinetmaypull to fix this, and initialize ipv6h variable after this call as it can change skb-head. 1 BUG: KMSA...

CVE-2024-26641

CVE-2024-26641 concerns the Linux kernel. The vulnerability arises in ip6_tunnel, where __ip6_tnl_rcv() could access uninitialized data due to not pulling the inner header early enough. The fix, as noted in multiple advisories (e.g., Astra Linux security bulletins), is to call pskb_inet_may_pull(...

CVE-2021-47128 bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks

In the Linux kernel, the following vulnerability has been resolved: bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks Commit 59438b46471a "security,lockdown,selinux: implement SELinux lockdown" added an implementation of the lockeddown LSM hook to SELinux, with the aim to restric...

CVE-2021-47128 bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks

In the Linux kernel, the following vulnerability has been resolved: bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks Commit 59438b46471a "security,lockdown,selinux: implement SELinux lockdown" added an implementation of the lockeddown LSM hook to SELinux, with the aim to restric...

Exploit for File Descriptor Leak in Linuxfoundation Runc

PoC of CVE-2024-21626 Read my full article for detailed explan...

kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination

An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system...

The vulnerability of the bpf_map_put() function in the kernel/bpf/syscall.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the bpfmapput function in the kernel/bpf/syscall.c module of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...