What’s Vulnerable › Vulnerabilities

CVE-2026-53128: drbd: Balance RCU calls in drbd_adm_dump_devices()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-06-24 · updated 2026-07-06

Description

In the Linux kernel, the following vulnerability has been resolved: drbd: Balance RCU calls in drbd_adm_dump_devices() Make drbd_adm_dump_devices() call rcu_read_lock() before rcu_read_unlock() is called. This has been detected by the Clang thread-safety analyzer.

Affected products

• Linux kernel: from 4.5 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.141; from 6.7 before 6.12.91; from 6.13 before 6.18.33 — fixed in 5.10.258, 5.15.209, 6.1.175, 6.12.91, 6.18.33, 6.6.141

How to fix

Upgrade to a fixed version: Linux kernel 5.10.258, 5.15.209, 6.1.175, 6.12.91. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1f112240531f0a0b437b2e001c1d89e8b25a8328
• https://git.kernel.org/stable/c/282e06e6d494a7bee85af78c747527b7d4009cc3
• https://git.kernel.org/stable/c/2b31e86387e60b3689339f0f0fbb4d3623d9d494
• https://git.kernel.org/stable/c/68ebb9183ac3621b96b18e046841eadb9508783c
• https://git.kernel.org/stable/c/6cd27bcb71bb73f955d104cc3a62be6f83724392
• https://git.kernel.org/stable/c/8092713a10c19fa0f731b71b2853af4319ca54fd
• https://git.kernel.org/stable/c/996d279f2c985d771d6cfdd923e447d825726e06
• https://git.kernel.org/stable/c/ae12bb44b392637a8321ade305c883f9ffc0daea

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