Vulnerability in Linux
CVE-2026-23340
In the Linux kernel, the following vulnerability has been resolved: net: sched: avoid qdisc_reset_all_tx_gt() vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netif_set_real_num_tx_queues() calls qdisc_res…
EPSS: 0.000 (4.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 6b3ba9146fe64b9bebb6346c9dcfe3b4851de2d7, 4.16, 0
References
- git.kernel.org/stable/c/5bb27ad54d12de67e457d7d251198e361bef835e
- git.kernel.org/stable/c/7594467c49bfc2f4644dee0415ac2290db11fa0d
- git.kernel.org/stable/c/dbd58b0730aa06ab6ad26079cf9a5b6b58e7e750
- git.kernel.org/stable/c/5bc4e69306ed7ae02232eb4c0b23ed621a26d504
- git.kernel.org/stable/c/8314944cc3bdeaa5a73e6f8a8cf0d94822e625cb
- git.kernel.org/stable/c/c69df4e0524f8de8e176ba389acd83e85f5f49d0
- git.kernel.org/stable/c/7f083faf59d14c04e01ec05a7507f036c965acf8
Frequently asked questions
- What is CVE-2026-23340?
- CVE-2026-23340 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-03-25.
- How severe is CVE-2026-23340?
- High severity. CVSS v3 base score is 7.8 out of 10.