mquire

mquire mquire, a play on the memory and inquire words, is a memory querying tool inspired by osquery. Key advantage: No external debug symbols needed mquire can analyze Linux kernel memory snapshots without requiring external debug symbols. Everything needed for analysis is already embedded in th...

Am-I-affected-by-Meltdown

Am I affected by Meltdown?! Meltdown CVE-2017-5754 checker What am I? Proof-of-concept / Exploit / Checks whether system is affected by Variant 3: rogue data cache load CVE-2017-5754, a.k.a MELTDOWN. The basic idea is that user will know whether or not the running system is properly patched with...

CVE-2021-1961

Exploit code for CVE-2021-1961. Full write-up is available on my blog. In order to build the exploit, run Android NDK's ndk-build. In order to run the exploit, you need to have access to /dev/qseecom, which means having the right user/group and the right SELinux context. This can be done either o...

Am-I-affected-by-Meltdown

Am I affected by Meltdown?! Meltdown CVE-2017-5754 checker What am I? Proof-of-concept / Exploit / Checks whether system is affected by Variant 3: rogue data cache load CVE-2017-5754, a.k.a MELTDOWN. The basic idea is that user will know whether or not the running system is properly patched with...

vmlinux-to-elf

vmlinux-to-elf Questo strumento consente di ottenere un file .ELF completamente analizzabile da un'immagine kernel vmlinux/vmlinuz/bzImage/zImage sia un blob binario grezzo che un file .ELF preesistente ma privo di simboli, con simboli di funzioni e variabili recuperati. A tale scopo, esegue una...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a UAF issue when looking up kallsym after ftrace is disabled. The following issue occurs with a buggy module: BUG: Unable to handle a page fault for address: ffffffffc05d0218 PGD 1bd66f067 P4D 1bd66f067 PUD...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed a memory leak due to fentry attachment failure If fentry fails to attach, the allocated bpf trampoline image will remain in the system. This can be verified by checking /proc/kallsyms. This memory leak can be detected...

CLSA-2025-1757963029 kernel-uek: Fix of 195 CVEs

rds: tcp: block BH in TCP callbacks - kexec: Improve & fix crashexcludememrange to handle overlapping ranges - module: correctly exit modulekallsymsoneachsymbol when fn != 0 - module: potential uninitialized return in modulekallsymsoneachsymbol - module: use RCU to synchronize findmodule -...

EUVD-2025-203723

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix softlockup in ftracemoduleenable A soft lockup was observed when loading amdgpu module. If a module has a lot of tracable functions, multiple calls to kallsymslookup can spend too much time in RCU critical section and...

Unbreakable Enterprise kernel security update

5.4.17-2136.348.3 - hugetlbfs: take readlock on immap for PMD sharing Waiman Long Orabug: 38459576 - kallsyms: add modulekallsymsoneachsymbollocked Julian Pidancet Orabug: 37629344 Orabug: 38418686 - kallsyms: export modulekallsymsoneachsymbol Julian Pidancet Orabug: 37629344 Orabug: 38418686...

EUVD-2023-59863

Malicious code in bioql PyPI...

CVE-2023-53221

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

DEBIAN-CVE-2023-53221

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

UBUNTU-CVE-2023-53221

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

CVE-2023-53221 bpf: Fix memleak due to fentry attach failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

CVE-2023-53221

The CVE-2023-53221 case concerns a vulnerability in the Linux kernel where a memleak can occur if fentry attachment fails for a BPF trampoline image. The description states that, when the fentry attach fails, the allocated trampoline image remains in memory and can be observed in /proc/kallsyms a...

Linux Distros Unpatched Vulnerability : CVE-2025-38346

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ftrace: Fix UAF when lookup kallsym after ftrace disabled The following issue happens with a buggy module: BUG: unable to handle page fault for address:...

CVE-2025-38346 ftrace: Fix UAF when lookup kallsym after ftrace disabled

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix UAF when lookup kallsym after ftrace disabled The following issue happens with a buggy module: BUG: unable to handle page fault for address: ffffffffc05d0218 PGD 1bd66f067 P4D 1bd66f067 PUD 1bd671067 PMD 101808067 PTE...

PT-2025-29068

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free UAF vulnerability exists in the Linux kernel related to ftrace and kallsyms. The issue occurs when a module triggers ftrace to disable, and then is removed...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.518.4.el7 - xfs: avoid race between writeback and data/cow fork changes Wengang Wang Orabug: 34508036 4.14.35-2047.518.3.el7 - KVM: SVM: Clear the CR4 register on reset Babu Moger Orabug: 34617675 4.14.35-2047.518.2.el7 - afkey: Do not call xfrmprobealgs in parallel Herbert Xu Orabug...