CVE-2026-72035

CVE-2026-72035 involves the Linux kernel net/sched, specifically sch_taprio. A direct dequeue call was replaced with a peek-based path via qdisc_dequeue_peeked to correct a bug where tapping a non-work-conserving child qdisc could cause an orphaned or desynced skb and, in some cases, dereference ...

CVE-2026-74266: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever dualpi2 drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

CVE-2026-72430: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix nfconnlabels leak on two error paths tcfctfillparams calls nfconnlabelsget setting putlabels when TCACTLABELS is present, but two later error sites use a bare return instead of "goto err", skipping the err:...

CVE-2026-72338: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actpedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flowrule buffer and filling it. [email protected] reports: The clsflower...

CVE-2026-72036: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: schmultiq: Replace direct dequeue call with peek and qdiscdequeuepeeked multiqdequeue takes a packet from a band's child with a direct -dequeue call after multiqpeek peeked it. When the child is non-work-conserving the...

CVE-2026-72035: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: Replace direct dequeue call with peek and qdiscdequeuepeeked When taprio's software path peeks a non-work-conserving child qdisc, the child stashes the peeked skb in its gsoskb; tapriodequeuefromtxq then tak...

Linux Distros Unpatched Vulnerability : CVE-2026-72035

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: schtaprio: Replace direct dequeue call with peek and qdiscdequeuepeeked When taprio's software path peeks a non-work-conserving child qdisc, the chil...

CVE-2026-74284: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: schhfsc: Don't make class passive twice updatevf is called from two places for the same class during a single dequeue when the class's child qdisc e.g. codel/fqcodel drops its last packets while dequeuing: 1. The child...

CVE-2026-74382: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsbpf: prevent unbounded recursion in offload rollback Quan Sun reported 1 a stack overflow in clsbpfoffloadcmd. Reproducer on netdevsim: add a skipsw clsbpf filter, set the bpftcaccept debugfs knob to 0, then tc filt...

CVE-2026-74544: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: validate offshift to prevent shift-out-of-bounds u32change copies the user-provided tcu32sel.offshift unsigned char, 0-255 into the kernel knode object without bounds validation. When a packet later hits...

PT-2026-72526

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A TOCTOU Time-of-Check to Time-of-Use race condition exists in the flower lockless approach during the sizing and filling of a flow rule buffer. This occurs because the cls flower...

CVE-2026-74267: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcodel: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever codel drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog before i...

CVE-2026-72326: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: cake: reject overhead values that underflow length CAKE accepts signed overhead values and stores them in an s16, but the adjusted packet length calculation uses unsigned arithmetic. A negative effective length can...

Linux Distros Unpatched Vulnerability : CVE-2026-72390

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: schteql: Introduce slaveslock to avoid race condition and UAF The teql master-slaves singly linked list is not protected against multiple writes. It...

Linux Distros Unpatched Vulnerability : CVE-2026-72057

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper...

Linux Distros Unpatched Vulnerability : CVE-2026-74290

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsflow: Dont expose folded kernel pointers The flow classifier falls back to addrfold for fields that are missing from packet headers. In map mode,...

PT-2026-72818

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A stack overflow occurs in the cls bpf offload cmd function. The issue arises during an offload rollback process when tc setup cb replace fails. The function attempts to roll back by...

PT-2026-72618

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Linux kernel within the tcf ct fill params function. When TCA CT LABELS is present, the function calls nf connlabels get, but two error paths utilize a bare...

Linux Distros Unpatched Vulnerability : CVE-2026-74544

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsu32: validate offshift to prevent shift-out-of-bounds u32change copies the user-provided tcu32sel.offshift unsigned char, 0-255 into the kernel...

CVE-2026-72057: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb control buffe...