CVE-2024-26926

MEDIUM
Published Apr 25, 2024 Modified Dec 23, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: binder: check offset alignment in binder_get_object() Commit 6d98eb95b450 ("binder: avoid potential data leakage when copying txn") introduced changes to how binder objects are copied. In doing so, it unintentionally removed an offset alignment check done through calls to binder_alloc_copy_from_buffer() -> check_buffer(). These calls were replaced in binder_get_object() with copy_from_user(), so now an explicit offset alignment check is needed here. This avoids later complications when unwinding the objects gets harder. It is worth noting this check existed prior to commit 7a67a39320df ("binder: add function to copy binder object from buffer"), likely removed due to redundancy at the time.

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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
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/1d7f1049035b2060342f11eff957cf567d810bdc https://git.kernel.org/stable/c/48a1f83ca9c68518b1a783c62e6a8223144fa9fc https://git.kernel.org/stable/c/68a28f551e4690db2b27b3db716c7395f6fada12 https://git.kernel.org/stable/c/a2fd6dbc98be1105a1d8e9e31575da8873ef115c https://git.kernel.org/stable/c/a6d2a8b211c874971ee4cf3ddd167408177f6e76 https://git.kernel.org/stable/c/aaef73821a3b0194a01bd23ca77774f704a04d40 https://git.kernel.org/stable/c/f01d6619045704d78613b14e2e0420bfdb7f1c15 https://git.kernel.org/stable/c/1d7f1049035b2060342f11eff957cf567d810bdc https://git.kernel.org/stable/c/48a1f83ca9c68518b1a783c62e6a8223144fa9fc https://git.kernel.org/stable/c/68a28f551e4690db2b27b3db716c7395f6fada12 https://git.kernel.org/stable/c/a2fd6dbc98be1105a1d8e9e31575da8873ef115c https://git.kernel.org/stable/c/a6d2a8b211c874971ee4cf3ddd167408177f6e76 https://git.kernel.org/stable/c/aaef73821a3b0194a01bd23ca77774f704a04d40 https://git.kernel.org/stable/c/f01d6619045704d78613b14e2e0420bfdb7f1c15

Frequently Asked Questions

What is CVE-2024-26926? +
In the Linux kernel, the following vulnerability has been resolved: binder: check offset alignment in binder_get_object() Commit 6d98eb95b450 ("binder: avoid potential data leakage when copying txn") introduced changes to how binder objects are copied. In doing so, it unintentionally removed an offset alignment check done through calls to binder_alloc_copy_from_buffer() -> check_buffer(). These calls were replaced in binder_get_object() with copy_from_user(), so now an explicit offset alignment check is needed here. This avoids later complications when unwinding the objects gets harder. It is worth noting this check existed prior to commit 7a67a39320df ("binder: add function to copy binder object from buffer"), likely removed due to redundancy at the time. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-26926? +
CVE-2024-26926 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-2024-26926? +
CVE-2024-26926 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26926? +
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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