CVE-2023-54005: binder: fix memory leak in binder_init()

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: 2025-12-24 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: binder: fix memory leak in binder_init() In binder_init(), the destruction of binder_alloc_shrinker_init() is not performed in the wrong path, which will cause memory leaks. So this commit introduces binder_alloc_shrinker_exit() and calls it in the wrong path to fix that.

Affected products

Linux kernel: 4.14 — fixed in 6.5

How to fix

Upgrade to a fixed version: Linux kernel 6.5. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/03eebad96233397f951d8e9fafd82a1674a77284
https://git.kernel.org/stable/c/486dd742ba186ea333664c517d6775b06b1448ca
https://git.kernel.org/stable/c/adb9743d6a08778b78d62d16b4230346d3508986
https://git.kernel.org/stable/c/b97dad01c12169991f895de3d4f61b8115d12bab
https://git.kernel.org/stable/c/ceb0f8cc987fb3d25c06b9662e08a42f99651207
https://git.kernel.org/stable/c/d7e5e2b87f5d27469075b6326b6b358e38cd9dcb
https://git.kernel.org/stable/c/ee95051c0c1928051f86198bf5e554277a53b26b
https://git.kernel.org/stable/c/f11a26633eb6d3bb24a10b1bacc4e4a9b0c6389f

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