CVE-2024-26606

MEDIUM
Published Feb 26, 2024 Modified Nov 4, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: binder: signal epoll threads of self-work In (e)poll mode, threads often depend on I/O events to determine when data is ready for consumption. Within binder, a thread may initiate a command via BINDER_WRITE_READ without a read buffer and then make use of epoll_wait() or similar to consume any responses afterwards. It is then crucial that epoll threads are signaled via wakeup when they queue their own work. Otherwise, they risk waiting indefinitely for an event leaving their work unhandled. What is worse, subsequent commands won't trigger a wakeup either as the thread has pending work.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/42beab162dcee1e691ee4934292d51581c29df61 https://git.kernel.org/stable/c/82722b453dc2f967b172603e389ee7dc1b3137cc https://git.kernel.org/stable/c/90e09c016d72b91e76de25f71c7b93d94cc3c769 https://git.kernel.org/stable/c/93b372c39c40cbf179e56621e6bc48240943af69 https://git.kernel.org/stable/c/97830f3c3088638ff90b20dfba2eb4d487bf14d7 https://git.kernel.org/stable/c/a423042052ec2bdbf1e552e621e6a768922363cc https://git.kernel.org/stable/c/a7ae586f6f6024f490b8546c8c84670f96bb9b68 https://git.kernel.org/stable/c/dd64bb8329ce0ea27bc557e4160c2688835402ac https://git.kernel.org/stable/c/42beab162dcee1e691ee4934292d51581c29df61 https://git.kernel.org/stable/c/82722b453dc2f967b172603e389ee7dc1b3137cc https://git.kernel.org/stable/c/90e09c016d72b91e76de25f71c7b93d94cc3c769 https://git.kernel.org/stable/c/93b372c39c40cbf179e56621e6bc48240943af69 https://git.kernel.org/stable/c/97830f3c3088638ff90b20dfba2eb4d487bf14d7 https://git.kernel.org/stable/c/a423042052ec2bdbf1e552e621e6a768922363cc https://git.kernel.org/stable/c/a7ae586f6f6024f490b8546c8c84670f96bb9b68 https://git.kernel.org/stable/c/dd64bb8329ce0ea27bc557e4160c2688835402ac

Frequently Asked Questions

What is CVE-2024-26606? +
In the Linux kernel, the following vulnerability has been resolved: binder: signal epoll threads of self-work In (e)poll mode, threads often depend on I/O events to determine when data is ready for consumption. Within binder, a thread may initiate a command via BINDER_WRITE_READ without a read buffer and then make use of epoll_wait() or similar to consume any responses afterwards. It is then crucial that epoll threads are signaled via wakeup when they queue their own work. Otherwise, they risk waiting indefinitely for an event leaving their work unhandled. What is worse, subsequent commands won't trigger a wakeup either as the thread has pending work. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-26606? +
CVE-2024-26606 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-26606? +
CVE-2024-26606 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26606? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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