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Category Archives: GNU/Linux

Everything about GNU+Linux security

openSUSE Tumbleweed python313-aiosmtplib Suffers Moderate CVE-2026-90467
openSUSE Tumbleweed python313-litellm Moderate Import CVE-2026-84377
openSUSE Firefox ESR Moderate Security Issues Resolved 2026-11796-1
openSUSE FreeIPMI Moderate Security Threat Advisory 2026-11797-1
openSUSE ffmpeg Moderate Update Fix 8 Issues 2026-11794-1
Debian 12 Libevent Critical HTTP Request Smuggling DLA-4786-1
Ubuntu 26.04 Rclone Major Remote Command Execution Vulnerability USN-8782-1
Ubuntu 26.04 LTS Linux Kernel Critical Privilege Escalation Fix USN-8726-2
Ubuntu Linux Kernel Update Critical Networking Vulnerability USN-8730-3
Ubuntu 24.04 LTS Azure FIPS Essential Security Patch USN-8761-2 Released
Ubuntu 24.04 LTS Linux Nvidia Tegra Escalation Risks – Urgent Alert 8781-1
Ubuntu 24.04 LTS Linux Kernel Security Issues Update USN-8729-2
Ubuntu 16.04 AWS Kernel Important Security Issues USN-8725-2
Ubuntu 20.04 Linux Kernel Security Update for WiFi Attack CVE-2026-23292
Ubuntu 20.04 18.04 Linux Kernel Critical Vulnerabilities Update 2026-8714-3
openSUSE Kernel Essential Security Patch Released 2026-4255-1
SUSE Kernel Important Patch for Live Patching Vulnerabilities 2026-4255-1
openSUSE Kernel Important Security Update for 2026-4256-1
SUSE Linux Enterprise 15 SP5 Important Kernel Security Update 2026-4256-1
Stop rewriting stable code: How Lightwell protects your bottom line and developer velocity
How Lightwell breaks the forced-upgrade cycle to keep your systems protected and your developers focused on innovation.The Monday morning CISO [...]
How a TOCTOU Race Condition Breaks Linux Path Validation
A Linux path can be valid when a program checks it and point somewhere else when the program uses it. That gap creates a time-of-check to time-of-use, or [...]
Debian LTS nginx Security Update DLA-4784-1 Multiple CVEs Addressed
Fedora 44 Chromium Critical Security Update Vuln 2026-441ccd8509
Fedora 44 Parted Update 2026-6ac486039c Critical Data Errors
Fedora 44 python-django5 Significant Fix for Denial of Service and Forgery
Fedora 44 gnatcoll Critical Update Interface Change Patch 2026-11f44e3c2c
Fedora 44 Nodejs Undici Denial of Service Vulnerability Fix CVE-2026-18149
Fedora 44 sblim-cmpi-base Important Local Symlink Attack CVE-2026-73585
Fedora 43 Django 5 Critical Request Forgery Denial-of-Service Alert
Fedora 43 sblim-cmpi-base Local Symlink Attack Fix CVE-2026-73585
Patch for Core Vulnerabilities in GNATCOLL on Fedora 43 – 2026-d5c7f91202
Fedora 43 Nodejs-Undici Denial of Service Vulnerability Fix CVE-2026-18149
Fedora 43 GitPython Update GHSA-hmq2-w58f-27jc Severity Information
SUSE MozillaFirefox Important Security Update 2026-4247-1
SUSE NodeJS18 Important DoS Denial of Service Issue 2026-4248-1
openSUSE netcdf Critical Buffer Overflow Vulnerability Advisory 2026-4249-1
SUSE netcdf Important Out-of-Bounds Write Issue Vulnerability 2026-4249-1
openSUSE Glibc Moderate Buffer Overflow Advisory 2026-4250-1
SUSE glibc Moderate Buffer Overflow Issues Fix Advisory 2026-4250-1
openSUSE cjose Important Buffer Overflow Fix 2026-4251-1
SUSE cjose Important Buffer Overflow Content Modification Vuln 2026-4251-1
SUSE TIFF Moderate Heap Overflow Vulnerability Identified 2026-4252-1
SUSE Important Security Update for cjose Buffer Overflow Issues 2026-4253-1
SUSE Linux Enterprise 12 SP5 Kernel Live Patch Important Fix 2026-4243-1
openSUSE Kernel Important Patch Security Flaws Fix 2026-4244-1
SUSE Kernel Live Patch 39 Important Fixes for Vulnerabilities 2026-4244-1
SUSE Kernel Important Memory Leak Security Fixes Vulnerability 2026-4254-1
Fedora 45 freeipmi Significant Buffer Overflow Resolution 2026-abe39f1809
Fedora 45 python-django5 Critical Server-side Attack Fix CVE-2026-15307
Fedora 45 GNATCOLL Important Patch for Core Vulnerabilities 2026-c8b1bb0c97
Fedora 45 addresses Denial of Service flaw in nodejs-undici CVE-2026-18149
Fedora 45 sblim-cmpi-base Important Local Temp File Issue CVE-2026-73585
Ubuntu 26.04 Bubblewrap Low Regression Issue USN-8779-2
Linux Security Researcher Uses AI to Find Four Python Code-Execution Flaws
Security researcher Sai Teja Erukude disclosed four alarming Python security flaws between June and August 2026 after combining specialized AI models with [...]
CISA Warns of Active Attacks on a Critical Cisco ISE Flaw
Attackers are exploiting a critical Cisco ISE flaw that can open the product’s web management interface without a valid login. Cisco disclosed [...]
Ubuntu 26.04 Bubblewrap Notable Denial of Service Vulnerability USN-8779-1
How a PowerPC Guest Could Trigger a KVM Use-After-Free
A PowerPC KVM use-after-free could leave the Linux host kernel accessing a nested-guest object after another virtual CPU caused that object to be removed [...]
SUSE cjose Important Buffer Overflow Vulnerability Patch 2026-4237-1
openSUSE gvfs Addresses Significant Memory Leak and Buffer Overflow Bugs
SUSE gvfs Important OOB Memory Access Issues Vuln 2026-4238-1
SUSE libpcap Essential Out-Of-Band Access Update 2026-4239-1
openSUSE gvfs Important Out Of Bounds Issues Vuln 2026-4240-1
Important Security Update for SUSE 2026-4240-1 gvfs Released
openSUSE pcre2 Important Out-of-Bounds Issues Advisory 2026-4241-1
SUSE pcre2 Important Patch for Six Vulnerabilities 2026-4241-1
SUSE OpenVPN Important Remote DoS Patch CVE-2026-84732 2026-4242-1
openSUSE Kernel Important Live Patch for Multiple Issues 2026-4231-1
Debian LTS xz-utils Security Update DLA-4783-1 Fixes Memory Corruption
SUSE Linux Enterprise 15 SP6 Kernel Important Threats Patch 2026-4231-1
DSA-6503-1 thunderbird – security update
DSA-6502-1 mkvtoolnix – security update
DSA-6501-1 firefox-esr – security update
DSA-6500-1 tor – security update
Debian Chromium Critical Code Execution Denial of Service DSA-6506-1
Red Hat Quay Build Workflow Could Expose Registry Credentials
As of September 17, Red Hat had documented a flaw in a Red Hat Quay build workflow that could expose container registry credentials to code retrieved from [...]
Debian DSA-6505-1 BIND Critical Denial of Service and Cache Poisoning Fix
Debian libapache2-mod-auth-openidc Key Denial of Service Patch DSA-6504-1
Rocky Linux libsoup Moderate WebSocket DoS RLSA-2026-68266
Rocky Linux 8 RLSA-2026-67908 libevent Important Denial of Service Issues
Container Security Failure Could Let a Malicious Image Reach the Linux Host
Container security can fail before a workload fully enters its root filesystem, the private file tree the container is meant to see.
Linux SMB Security Fixes Restore Ownership and Input-Trust Boundaries
SMB, or Server Message Block, lets Linux systems access files shared over a network.
How Transparent Huge Pages Could Lose Rewritten Data During Reclaim
Transparent huge pages let Linux manage memory in larger blocks for better performance.
Why eBPF Security Depends on Matching Metadata Lifetimes
eBPF lets verified programs run inside the Linux kernel. Linux eBPF security depends on supporting data remaining available for as long as those programs [...]
Effective Encryption Strategies to Safeguard Your Online Identity
In today’s world, almost every part of our lives is directly or indirectly linked to the Internet. As cyberattacks in network security grow more advanced, [...]
How Linux File Permissions Become a Root Trust Boundary
Linux file permissions are usually introduced as a way to decide who may read, write, or execute a file. On a production server, they do something more [...]
Fedora 43 open62541 Security Advisory on Critical Denial of Service Issues
Fedora 43 Roundcube 1.6.19 Security Updates Address XSS Email Issues
Fedora 43 php-pecl-mongodb2 Important Out-of-Bounds Read Fix CVE-2026-84968
Fedora 44 python-django6 Important Updates for XSS and DoS Vulnerabilities
Fedora 44 open62541 Key Fixes for Denial of Service and Code Execution
Fedora 44 Roundcube 1.7.4 Security Fix XSS Email Header CVE-2026-38c637be37
Fedora 44 php-pecl-mongodb2 Important Out-Of-Bounds Read CVE-2026-84968
Fedora 44 python-jwcrypto Minor Risk Security Updates 2026-8caad572b0
Fedora 45 Python Django 6 Key Denial of Service XSS Patch 2026-522a9411e7
Fedora 45 open62541 Critical Code Execution Denial of Service Patch 2026
Fedora 45 Roundcube 1.7.4 Security Update for XSS and Injection Issues
Fedora 45 Python JWCrypto Low Severity Security Fix 2026-6d094c5360
Docker Sandboxes Flaw Lets a Guest Reach Host Unix Sockets
Docker has fixed a high-severity Docker Sandboxes vulnerability that allowed a malicious guest to redirect a host-side relay toward Unix sockets outside [...]
Acronis Backup Flaw Is Being Exploited on Linux Hosting Servers
Acronis has fixed a high-severity vulnerability in its Linux hosting backup integrations after detecting exploitation in limited, targeted attacks. The [...]
Slackware mozilla-thunderbird Critical Security Update 2026-259-02