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CVE-2024-26926

7.8 · HIGH

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 t…

Published Apr 25, 2024EPSS 0.44%

Overview

CVE-2024-26926 is a high-severity vulnerability. It was published on April 25, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/1d7f1049035b2060342f11eff957cf567d810bdcRefgit.kernel.org/stable/c/48a1f83ca9c68518b1a783c62e6a8223144fa9fcRefgit.kernel.org/stable/c/68a28f551e4690db2b27b3db716c7395f6fada12Refgit.kernel.org/stable/c/a2fd6dbc98be1105a1d8e9e31575da8873ef115cRefgit.kernel.org/stable/c/a6d2a8b211c874971ee4cf3ddd167408177f6e76Refgit.kernel.org/stable/c/aaef73821a3b0194a01bd23ca77774f704a04d40Refgit.kernel.org/stable/c/f01d6619045704d78613b14e2e0420bfdb7f1c15Refgit.kernel.org/stable/c/1d7f1049035b2060342f11eff957cf567d810bdcRefgit.kernel.org/stable/c/48a1f83ca9c68518b1a783c62e6a8223144fa9fcRefgit.kernel.org/stable/c/68a28f551e4690db2b27b3db716c7395f6fada12

How CyberStrike helps

Frequently asked questions

What is CVE-2024-26926?

CVE-2024-26926 is a high-severity vulnerability. It was published on April 25, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2024-26926?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2024-26926?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-26926?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-26926 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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