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CVE-2026-72276: fbdev: metronomefb: fix potential memory leak in metronomefb_probe()

• Severity: unknown
• 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: fbdev: metronomefb: fix potential memory leak in metronomefb_probe() The memory allocated for pagerefs in fb_deferred_io_init() is not freed on the error path. Fix it by calling fb_deferred_io_cleanup().

Affected products

• Linux kernel: from 5.15.149 before 5.15.212; 5.19 — fixed in 5.15.212, 7.2

How to fix

Upgrade to a fixed version: Linux kernel 5.15.212, 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/01708cf3dca2f88eca26269521cbcc8e2f054ee4
• https://git.kernel.org/stable/c/6854cf33dddb212bd7c3d69189623876e7334075
• https://git.kernel.org/stable/c/77e26383083c59a67244fcf2e70eecd354451906
• https://git.kernel.org/stable/c/894632b862a39b3fe1cb5de06fbae86225ea64de
• https://git.kernel.org/stable/c/a889978ec44fe33edb3fb7140dcbbb8e6465c1cb
• https://git.kernel.org/stable/c/d54bb39cd34f44b32d5c4a8416fff8b01a9e76be
• https://git.kernel.org/stable/c/f779bd494f9521f89bfd4ce23953f3527341e9fd

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