CVE-2026-43981 Algernon: Race Condition in handle() shared LState

Algernon is a small self-contained pure-Go web server. Prior to 1.17.6, in engine/luahandler.go, the sync.RWMutex protecting LoadCommonFunctions is released before L.Push and L.PCall execute. Since gopher-lua's LState is explicitly not goroutine-safe, concurrent requests race on the shared state...

JLSEC-2026-521

A flaw was found in gnutls. A use after free issue in clientsendparams in lib/ext/presharedkey.c may lead to memory corruption and other potential consequences...

gnutls: gnutls: Authentication Bypass via NUL Character in Username

A flaw was found in gnutls. Servers configured with RSA-PSK Rivest–Shamir–Adleman – Pre-Shared Key wrongfully matched usernames containing a NUL character with truncated usernames. A remote attacker could exploit this by sending a specially crafted username, leading to an authentication bypass...

Important: kernel-livepatch-5.10.252-250.1016

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-5.10.252-250.1016 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Important: kernel-livepatch-6.1.164-196.303

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.164-196.303 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.170-210.320

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.170-210.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.168-203.330

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.168-203.330 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.25-52.107

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.25-52.107 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.168-202.320

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.168-202.320 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.83-111.159

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.83-111.159 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.170-208.319

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.170-208.319 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.80-106.156

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.80-106.156 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.8-9.213

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.8-9.213 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.79-101.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.79-101.147 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.16-18.222

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.16-18.222 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.1.163-186.299

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.1.163-186.299 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.80-105.147

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.80-105.147 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.18.20-41.237

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.18.20-41.237 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.73-95.123

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: skbuff: propagate shared-frag marker through pskbcopy CVE-2026-46300 Affected Packages: kernel-livepatch-6.12.73-95.123 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

PT-2026-47003

A flaw was found in gnutls. A use after free issue in client send params in lib/ext/pre shared key.c may lead to memory corruption and other potential consequences...