CVE-2026-63803

In the Linux kernel, the following vulnerability has been resolved: hdlcppp: sync per-proto timers before freeing hdlc state Each PPP control protocol LCP/IPCP/IPV6CP embedded in struct ppp registers a timer via timersetup. That struct ppp is the hdlc-state allocation, which detachhdlcprotocol...

CVE-2026-63803 hdlc_ppp: sync per-proto timers before freeing hdlc state

In the Linux kernel, the following vulnerability has been resolved: hdlcppp: sync per-proto timers before freeing hdlc state Each PPP control protocol LCP/IPCP/IPV6CP embedded in struct ppp registers a timer via timersetup. That struct ppp is the hdlc-state allocation, which detachhdlcprotocol...

CVE-2026-63803 hdlc_ppp: sync per-proto timers before freeing hdlc state

In the Linux kernel, the following vulnerability has been resolved: hdlcppp: sync per-proto timers before freeing hdlc state Each PPP control protocol LCP/IPCP/IPV6CP embedded in struct ppp registers a timer via timersetup. That struct ppp is the hdlc-state allocation, which detachhdlcprotocol...

CVE-2026-63803

In the Linux kernel, the following vulnerability has been resolved: hdlcppp: sync per-proto timers before freeing hdlc state Each PPP control protocol LCP/IPCP/IPV6CP embedded in struct ppp registers a timer via timersetup. That struct ppp is the hdlc-state allocation, which detachhdlcprotocol...

CVE-2026-63803

The CVE-2026-63803 has concrete technical details in the Linux kernel: hdlc_ppp timers for PPP LCP/IPCP/IPV6CP in struct ppp are not synchronized on teardown due to a missing .detach callback, causing a use-after-free when a ppp_timer dereferences freed memory. The fix adds a detach helper that c...

PT-2026-61119

In the Linux kernel, the following vulnerability has been resolved: hdlc ppp: sync per-proto timers before freeing hdlc state Each PPP control protocol LCP/IPCP/IPV6CP embedded in struct ppp registers a timer via timer setup. That struct ppp is the hdlc-state allocation, which detach hdlc protoco...

PT-2026-61409

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tp meter: fix tp vars reference leak in receiver shutdown The receiver shutdown timer handler, batadv tp receiver shutdown, is responsible for releasing the tp vars reference it holds. However, the existing logic for...

PT-2026-61410

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tp meter: directly shut down timer on cleanup batadv tp sender cleanup was calling timer delete sync followed by timer delete to guard against the timer handler re-arming itself between the two calls. This...

PT-2026-61262

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: serialize iso sock clear timer with socket lock iso sock close calls iso sock clear timer before acquiring lock socksk. iso sock clear timer reads iso pisk-conn twice without the socket lock held: if !iso pisk-con...

PT-2026-61222

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: Fix use after free bug in vudc remove due to race condition This patch follows up Zheng Wang's 2023 report of a use-after-free in vudc remove. The original thread stalled on Shuah Khan's request for runtime testing o...

Ubuntu 20.04 LTS : Linux kernel vulnerabilities (USN-8547-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8547-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-8547-1 linux-gcp-5.15, linux-intel-iotg-5.15 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

USN-8547-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

Ubuntu 22.04 LTS : Linux kernel (Raspberry Pi) vulnerabilities (USN-8527-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8527-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-8527-1 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

CVE-2026-33800

CVE-2026-33800 affects Junos OS on MX Series (MX FPCs up to MPC9). The issue is caused by an unchecked input for a loop condition in PFEMAN, where high-rate Micro-BFD session flaps queue events and a VC with locality-bias amplifies processing time, causing PFEMAN to miss processing and the PFEMAN...

The vulnerability of the net/netfilter/xt_IDLETIMER.c component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the net/netfilter/xtIDLETIMER.c component in the Linux operating system is related to the use of an uninitialized resource. Exploiting this vulnerability could allow a attacker to cause a service failure...

SUSE CVE-2026-53358

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use chan timer to close channels in cleanuplisten l2capchanclose removes the channel from conn-chanl, which must be done under conn-lock. cleanuplisten runs under the parent sklock, so acquiring conn-lock would...

CVE-2026-53358

A flaw was found in the Linux kernel's Bluetooth L2CAP Logical Link Control and Adaptation Protocol implementation. This vulnerability arises from an incorrect order of acquiring locks during channel cleanup, which could lead to a race condition. This issue could potentially cause instability or...

CVE-2026-53358

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: use chan timer to close channels in cleanuplisten l2capchanclose removes the channel from conn-chanl, which must be done under conn-lock. cleanuplisten runs under the parent sklock, so acquiring conn-lock would...