CVE-2026-80664 netfilter: xt_nat: reject unsupported target families

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80664 netfilter: xt_nat: reject unsupported target families

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtnat: reject unsupported target families xtnat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nftcompa...

CVE-2026-80648

CVE-2026-80648 affects the pinctrl: spacemit driver in the Linux kernel. In spacemit_pin_set_config(), the code checks the wrong variable after calling spacemit_get_pin(): it tests !pin (an unsigned int) instead of !spin (the pointer). Because pin 0 is a valid ID, the check erroneously returns -E...

EUVD-2026-67524

In the Linux kernel, the following vulnerability has been resolved: pinctrl: spacemit: fix NULL check in spacemitpinsetconfig spacemitpinsetconfig looks up the per-pin descriptor with spacemitgetpin then checks the wrong variable for failure: const struct spacemitpin spin = spacemitgetpinpctrl,...

CVE-2026-80648 pinctrl: spacemit: fix NULL check in spacemit_pin_set_config

In the Linux kernel, the following vulnerability has been resolved: pinctrl: spacemit: fix NULL check in spacemitpinsetconfig spacemitpinsetconfig looks up the per-pin descriptor with spacemitgetpin then checks the wrong variable for failure: const struct spacemitpin spin = spacemitgetpinpctrl,...

EUVD-2026-67522

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

CVE-2026-80646 ipv6: guard against possible NULL deref in __in6_dev_stats_get()

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

CVE-2026-80646

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in in6devstatsget devgetbyindexrcu could return NULL if the original physical device is unregistered. Found by Sashiko...

CVE-2026-80636

CVE-2026-80636 affects the Linux kernel netfilter conntrack subsystem. The vulnerability stems from the ct extension genid infrastructure (introduced by commit c56716c69ce1), which disables all ct extensions for unconfirmed conntracks—causing them to be NULL —when this behavior should only apply ...

CVE-2026-80621

CVE-2026-80621 is a NULL pointer dereference in the Linux kernel's PCI DesignWare (DWC) driver . When a PCIe controller lacks a RAS DES capability, dwc_pcie_rasdes_debugfs_init() returns success but leaves pci->debugfs->rasdes_info unset. The common debugfs teardown path then unconditionall...

EUVD-2026-67497

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: Avoid dwcpcierasdesdebugfsdeinit NULL dereference when no RAS DES capability dwcpcierasdesdebugfsinit returns success when the controller has no RAS DES capability, leaving pci-debugfs-rasdesinfo unset. The common debug...

CVE-2026-80621 PCI: dwc: Avoid dwc_pcie_rasdes_debugfs_deinit() NULL dereference when no RAS DES capability

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: Avoid dwcpcierasdesdebugfsdeinit NULL dereference when no RAS DES capability dwcpcierasdesdebugfsinit returns success when the controller has no RAS DES capability, leaving pci-debugfs-rasdesinfo unset. The common debug...

CVE-2026-80621

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: Avoid dwcpcierasdesdebugfsdeinit NULL dereference when no RAS DES capability dwcpcierasdesdebugfsinit returns success when the controller has no RAS DES capability, leaving pci-debugfs-rasdesinfo unset. The common debug...

CVE-2026-80597

In the Linux kernel, the following vulnerability has been resolved: mtd: maps: vmu-flash: fix NULL pointer dereference in initialization The mtdinfo contains a struct device, which must be linked to its parent. Without this, the initialization of the MTD fails with a NULL pointer dereference...

CVE-2021-24086

CVE-2021-24086 Dies ist ein Proof of Concept für CVE-2021-24086 „Windows TCP/IP Denial of Service Vulnerability“, eine NULL-Dereferenzierung in tcpip.sys, die von Microsoft im Februar 2021 gepatcht wurde. Laut diesem Tweet wurde die Schwachstelle von @piazzt entdeckt. Sie ist aus der Ferne...

Linux Distros Unpatched Vulnerability : CVE-2026-80684

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: s390: pci: Fix NULL dereference on AIBV allocation failure The airqivcreate can return NULL on failure, but the return value was never checked. If it fails...

PT-2026-82964

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt nat: reject unsupported target families xt nat SNAT and DNAT target handlers assume IP-family conntrack state is present and can dereference a NULL pointer when instantiated from an unsupported family through nft...

CVE-2026-74740

A flaw was found in the Linux kernel's network scheduler net/sched: actapi. A Time-of-Check to Time-of-Use TOCTOU race condition exists where a pointer can be cleared between two reads. This allows a concurrent operation to cause a NULL dereference, potentially leading to a system crash and Denia...

CVE-2026-80520

A flaw was found in the ovpn module of the Linux kernel. The ovpncryptokillkey function incorrectly assumes that both crypto key slots are always populated. This can lead to a NULL dereference if a peer has only one installed key or if the function attempts to remove a key that is not present. A...

CVE-2025-4476-Exploit

CVE-2025-4476-Exploit Ein kleiner Python-Testclient zum Senden von HTTP-GET-Anfragen mit einem überdimensionierten Authorization: Basic-Header. Dieses Tool ist für Labortests und Forschung zu Header-Parsing-Problemen gedacht z. B. Null-Dereference-/Absturzfehler wie CVE-2025-4476 in libsoup. Es...