PatchTheCVECVE-2026-23371: In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix missing ENQUEUE_REPLE
CVE-2026-23371 is a medium-severity flaw (CVSS 5.5) affecting linux kernel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix missing ENQUEUE_REPLENISH during PI de-boosting Running stress-ng --schedpolicy 0 on an RT kernel on a big machine might lead to the following WARNINGs (edited). sched: DL de-boosted task PID 22725: REPLENISH flag missing WARNING: CPU: 93 PID: 0 at kernel/sched/deadline.c:239 dequeue_task_dl+0x15c/0x1f8 ... (running_bw underflow) Call trace: dequeue_
Why this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 94%) |
| CISA exploited list | No |
| Published | 2026-03-25 |
| Last modified | 2026-10-21 |
Last updated 2026-10-21 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-23371?
linux kernel: upgrade to 4.20, 5.5, 6.19.7. Exact commands for each OS are on this page.
Is CVE-2026-23371 being exploited?
CVE-2026-23371 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-23371 affect?
CVE-2026-23371 affects linux kernel. Severity is medium (CVSS 5.5). In the Linux kernel, the following vulnerability has been resolved: sched/deadline: Fix missing ENQUEUE_REPLENISH during PI de-boosting Running stress-ng --schedpolicy 0 on an RT kernel on a big machine might lead to the following WARNING
How urgent is CVE-2026-23371?
Priority 26/100. On your watchlist
Software pages
Related CVEs
- CVE-2026-98141 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: ntfs: propagate reparse index insertion f
- CVE-2026-64239 HIGH 7.8 UPGRADE In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: delete tried regi
- CVE-2026-64236 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: i2c: davinci: fix division by zero on mis
- CVE-2026-98142 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: drm/cirrus-qemu: Validate BAR0 size durin
- CVE-2026-98147 MEDIUM 5.5 UPGRADE In the Linux kernel, the following vulnerability has been resolved: printk: Don't WARN on kthread_run failure