opensnitch

Join the project community on our server! OpenSnitch is a GNU/Linux application firewall. •• Key Features • Download • Installation • Usage examples • In the press •• Key features Interactive outbound connections filtering. Block ads, trackers or malware domains system wide. Ability to configure...

cve-2026-31431-ftrace

cve-2026-31431 mitigation using ftrace The ebpf solutions around for mitigating cve-2026-31431 require lsm=bpf at boot time, which is usually not set by default. For OracleLinux this was enabled by default in UEKr7u3 and in UEKr8u1 after December 2025. To check whether or not you can use ebpf-lsm...

Singularity

Singularity - Stealthy Linux Kernel Rootkit "Shall we give forensics a little work?" Singularity is a powerful Linux Kernel Module LKM rootkit designed for modern 6.x kernels. It provides comprehensive stealth capabilities through advanced system call hooking via ftrace infrastructure. Full...

ksentinel

ksentinel - Kernel Syscalls Integrity Monitor Overview ksentinel monitors critical kernel functions and the syscall table for unauthorized modifications. It detects common syscalls that are targeted by most rootkits including ftrace hooks, kprobes, and syscall table hijacking. Features Function...

CLSA-2026-1777616064 kernel: Fix of 264 CVEs

crypto: algifaead - Fix minimum RX size check for decryption CVE-2026-31431 - crypto: afalg - Fix page reassignment overflow in afalgpulltsgl CVE-2026-31431 - crypto: authencesn - reject too-short AAD assoclen8 to match ESP/ESN spec CVE-2026-31431 - crypto: authencesn - Fix src offset when...

CLSA-2026-1772815097 Fix of 104 CVEs

CVE-2025-38699 - scsi: bfa: Double-free fix CVE-2025-38699 CVE-2025-38697 - jfs: upper bound check of tree index in dbAllocAG CVE-2025-38697 CVE-2025-39823 - KVM: x86: use arrayindexnospec with indices that come from guest CVE-2025-39823 CVE-2025-39689 - ftrace: Also allocate and copy hash for...

CLSA-2026-1784275029 kernel: Fix of 8 CVEs

can: bcm: add locking for bcmop runtime updates CVE-2025-38004 - xfs: resample the data fork mapping after cycling ILOCK - ASoC: topology: Fix route memory corruption - can: bcm: fix locking for bcmop runtime updates CVE-2025-38004 - xfrm: Duplicate SPI Handling CVE-2025-39797 - nfsd: provide...

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

In the Linux kernel, the following vulnerability has been resolved: Tracing: Limit access to parser-buffer when tracegetuser fails. When the length of the string written to setftracefilter exceeds FTRACEBUFFMAX, the following KASAN alarm will be triggered: BUG: KASAN: Slab-out-of-bounds in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ftrace: The soft lockup issue in ftracemoduleenable has been fixed. A soft lockup was observed when loading the amdgpu module. If a module contains many functions that can be traced, multiple calls to kallsymslookup may take too...

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

In the Linux kernel, the following vulnerability has been resolved: In the ftrace function, a potential warning was fixed in traceprintkseq during ftracedump. When ftracedumpone is called concurrently with reading from tracepipe, a WARNONONCE message can be triggered due to a race condition. The...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fixed invalid address access in lookuprec when the index is 0. KASAN reported the following issue: BUG: KASAN: use-after-free in lookuprec A read of size 8 at the address ffff000199270ff0 was performed by the task modprob...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Fixed a use-after-free issue related to dynamic ftraceops. KASAN reported a use-after-free when using ftrace. It was discovered that perf registered two ftrace operations with the same content, both being dynamic. Afte...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ftrace: Clean up the handling of hash operations when registers fail. The following GPF errors occur when registerftracedirect fails: General protection fault, likely due to a non-canonical address \ 0x200000000000010: 0000 1...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ftrace: A null pointer dereference occurred in ftraceaddmod. The @ftracemod is allocated using kzalloc. Therefore, both members prev, next of @ftracemode-list are NULL. This makes calling listdel invalid. If kstrdup for...

CVE-2026-90066

A flaw was found in the Linux kernel's ftrace module. This vulnerability occurs because the ftracedirectmultiinit function does not properly check the return value of kthreadrun. If kthreadrun fails, an error pointer is assigned, which is later passed to kthreadstop during module unload. This...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: ftrace: Do not blindly read the IP address in ftracebug. It was reported that a bug in arm64 caused a bad IP address to be used for updating a NOP instruction in ftraceinit. However, the error path correctly returned -EINVAL...

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 – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tracing: Ensure that the traceprintk function can be used as soon as it is available. Currently, the traceprintk function can be used as soon as the earlyTraceinit function is called from startkernel. However, if a crash occurs,...

AlmaLinux 9.2 [TuxCare] Security Update: bpftool / kernel / kernel-abi-stablelists / kernel-core / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1787307395)

"The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1787307395 advisory. - In the Linux kernel, the following vulnerability has been resolved: ftrace: Clean up hash directfunctions on register failures We...

CentOS Linux 8 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1784275029)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1784275029 advisory. - In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix use-after-free for dynamic ftraceops KASAN...