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THREAT OPS › Threat News › [NVD] CVE-2026-68138 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net/sched: serialize qdisc_rtab_list against concurrent get/put qdisc_get_rtab() and qdisc_put_rtab() mutate the process-global singly linked list qdisc_rtab_list and a plain non-atomic 'int refcnt' with no loc

[NVD] CVE-2026-68138 (HIGH 7.8) — In the Linux kernel, the following vulnerability has been resolved: net/sched: serialize qdisc_rtab_list against concurrent get/put qdisc_get_rtab() and qdisc_put_rtab() mutate the process-global singly linked list qdisc_rtab_list and a plain non-atomic 'int refcnt' with no loc

mednvdPublished 2026-08-10

CVE-2026-68138 CVSS: 7.8 HIGH Published: 2026-08-10T13:19:59.410

In the Linux kernel, the following vulnerability has been resolved:

net/sched: serialize qdisc_rtab_list against concurrent get/put

qdisc_get_rtab() and qdisc_put_rtab() mutate the process-global singly linked list qdisc_rtab_list and a plain non-atomic 'int refcnt' with no lock. This was only safe because every caller historicall

Indicators of compromise

CVE-2026-68138cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-68138