CVE-2026-98010

In the Linux kernel, the following vulnerability has been resolved: net/sched: drr: clamp quantum in change class drrchangeclass rejects explicit quantum==0 but falls back to pschedmtu with no floor. With a crafted size table qdiscpktlen reaches 2 GiB, so quantum=1 or a zero pschedmtu on a...

CVE-2026-97958

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: Don't replay RTMGETCHAIN in tcctlchain. If a netlink socket sends RTMGETCHAIN requests repeatedly without recving the responses, tcctlchain hogs CPU and triggers Hung Task splat. 0 As caught in the stack trace,...

CVE-2026-97959: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsroute: free emptied bucket on filter move route4change can move an existing filter to a different top-level bucket: route4setparms recomputes the handle from TCAROUTE4TO/ FROM/IIF, and the handle-mismatch check is...

CVE-2026-98012

In the Linux kernel, the following vulnerability has been resolved: net/sched: sfq: clamp quantum in change path sfqchange accepts any non-negative quantum only rejects intctl-quantum 120 with -EINVAL, matching fqcodelchange and the init clamp. Conditions to recreate the bug: CONFIGNETSCHSFQ=y...

CVE-2026-97959

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsroute: free emptied bucket on filter move route4change can move an existing filter to a different top-level bucket: route4setparms recomputes the handle from TCAROUTE4TO/ FROM/IIF, and the handle-mismatch check is...

CVE-2026-98017

In the Linux kernel, the following vulnerability has been resolved: net/sched: defer qdisc freeing after failed creation An RTMNEWQDISC request can make clsact bind a populated shared ingress block during -init, publishing an embedded miniQdisc to lockless readers. If the same request has an...

CVE-2026-98011: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: hhf: clamp quantum in change and init paths hhfchange accepts any quantum from userspace, including 1. With a crafted size table qdiscpktlen reaches 2 GiB, so quantum=1 makes the deficit-refill loop spin 2^31 times und...

CVE-2026-98013: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: clamp quantum in change path fqpiechange accepts any quantum value from userspace, including 1. With a crafted size table qdiscpktlen reaches 2 GiB, so quantum=1 makes the deficit-refill loop spin 2^31 times und...

CVE-2026-98017: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: defer qdisc freeing after failed creation An RTMNEWQDISC request can make clsact bind a populated shared ingress block during -init, publishing an embedded miniQdisc to lockless readers. If the same request has an...

CVE-2026-98087: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: sched/rt,dl: Skip migrate-disabled tasks when picking a push candidate A migratedisable'd RT task cannot be moved to another CPU, but the scheduler still keeps such a task on that CPU's pushable list rq-rt.pushabletasks and still...

CVE-2026-98104

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: fix duplicate handle when node ID pool is exhausted gennewkid falls back to returning max htid | 0xFFF when both idrallocu32 ranges are full, instead of reporting an error. u32change trusts that value and inser...

PT-2026-98552

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.3-rc1 Description An issue exists in the MPLS push/pop path where skb mpls pop fails to clear the inner protocol record. This allows a stale network header offset to persist. When Open vSwitch re-pushes MPLS onto a packe...

PT-2026-98556

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/sched component where a batched RTM NEWACTION request can lead to memory and resource leaks. When replacing an existing action, the tcf idr check alloc functio...

PT-2026-98622

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the tc ctl chain function where the replay logic is incorrectly applied to RTM GETCHAIN requests. If a netlink socket sends RTM GETCHAIN requests repeatedly without...

PT-2026-98623

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the cls route component of the network scheduler. The route4 change function can move an existing filter to a different top-level bucket via route4 set parms when...

PT-2026-98766

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the cls u32 classifier where the node ID pool can be exhausted. The function gen new kid fails to report an error when idr alloc u32 ranges are full, instead returning...

PT-2026-98673

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the drr change class function where it fails to establish a minimum floor when falling back to psched mtu. If a crafted size table causes qdisc pkt len to reach...

PT-2026-98675

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A denial of service occurs in the Linux kernel when the sfq change function accepts any non-negative quantum value. By using a crafted size table, the qdisc pkt len can reach approximate...

PT-2026-98676

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A denial of service occurs in the Linux kernel when the fq pie change function accepts an arbitrary quantum value from userspace. If a user provides a quantum value of 1 along with a...

PT-2026-98680

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where an RTM NEWQDISC request allows clsact to bind a populated shared ingress block during the init function, making an embedded mini Qdisc available to lockless readers...