PT-2025-44277

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s sch qfq scheduler within the agg dequeue function net/sched/sch qfq.c. A null dereference could occur when cl-qdisc-ops-peekcl-qdisc returns NULL,...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_4

This update for kernel-livepatch-MICRO-6-0-RTUpdate4 fixes the following issues: CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing bsc1237048 CVE-2025-21791: vrf: use RCU protection in l3mdevl3out bsc1240744 CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket...

USN-6441-3: Linux kernel vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

LSN-0095-1: Kernel Live Patch Security Notice

It was discovered that the OverlayFS implementation in the Linux kernel did not properly handle copy up operation in some conditions. A local attacker could possibly use this to gain elevated privileges.CVE-2023-0386 It was discovered that the Broadcom FullMAC USB WiFi driver in the Linux kernel...

USN-6173-1: Linux kernel (OEM) vulnerabilities

Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-31436 It was discovered that the...