CVE-2026-53011

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advance_sched() on schedule switch In advance_sched(), when should_change_schedules() returns true, switch_schedules() is called to promote the admin schedule to oper. switch_schedules() queues the old oper schedule for RCU freeing via call_rcu(), but 'next' still points into an entry of the old oper schedule. The subsequent 'next->end_time = end_time' and rcu_assign_pointer(q->current_entry, next) are use-after-free. Fix this by selecting 'next' from the new oper schedule immediatel...

Affected product and versions

Product

Linux Linux, linux kernel

Affected versions

>= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < a8fc396519ef4f081bc545e88f61241728bb78d7, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < 3471874578160a28c171a607fa069f24062634b8, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < 7256996e1ef553716817f3bfd077c2f3b48b582f, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < eee072fe16c646190d33ae69c9983d8de1562bf8, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < 1bd286fa3e21200133478ed523cc6a2788baf38a, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < b73235da5dde77ed1264f9767b62c28c9d71fd78, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < 0e62171df8ed4804d00db088f17eed06468233fa, >= a3d43c0d56f1b94e74963a2fbadfb70126d92213 < 105425b1969c5affe532713cfac1c0b320d7ac2b, >= 5.2, >= 5.2 < 5.10.258, >= 5.11 < 5.15.209, >= 5.16 < 6.1.175, >= 6.2 < 6.6.141, >= 6.7 < 6.12.91, >= 6.13 < 6.18.33, >= 6.19 < 7.0.10

Fixed versions

5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10

Technical data

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416