What’s Vulnerable › Vulnerabilities

CVE-2026-72372: afs: Fix lack of locking around modifications of net->cells_dyn_ino

• Severity: high (CVSS 7.8 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: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: afs: Fix lack of locking around modifications of net->cells_dyn_ino Fix the lack of locking around modifications of net->cells_dyn_ino by taking net->cells_lock exclusively. This also requires to cell to be removed from net->cells_dyn_ino in afs_destroy_cell_work() rather than in afs_cell_destroy() as the latter runs in RCU cleanup context and sleeping locks cannot be taken there.

Affected products

• Linux kernel: from 6.12.97 before 6.12.101; 6.15 — fixed in 6.12.101, 7.2

How to fix

Upgrade to a fixed version: Linux kernel 6.12.101, 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2ffb70a8a01988046bb207b7d0af9358a8337378
• https://git.kernel.org/stable/c/4d8a2fe8847859f4fa4e9a2fa1221c9c1158e66b
• https://git.kernel.org/stable/c/55e841836c6f4646490f7b0347192b7a92d431ba
• https://git.kernel.org/stable/c/e94f92fd56c553a8bf9421c3289e1b85c7c08857

Get alerted when CVE-2026-72372 or the next vulnerability affects your stack