CVE-2024-26618
Last modified
CVE-2024-26618 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: arm64/sme: Always exit sme_alloc() early with existing storage When sme_alloc() is called with existing storage and we are not flushing we will always allocate new storage, both leaking the existing storage and corrupting the state. Fix this by separating the checks for flushing and for existing storage as we do for SVE. Callers that reallocate (eg, due to changing the vector length) should call sme_free() themselves.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: arm64/sme: Always exit sme_alloc() early with existing storage When sme_alloc() is called with existing storage and we are not flushing we will always allocate new storage, both leaking the existing storage and corrupting the state. Fix this by separating the checks for flushing and for existing storage as we do for SVE. Callers that reallocate (eg, due to changing the vector length) should call sme_free() themselves.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.5, < 6.6.15 |
| Linux | Linux Kernel | >= 6.7, < 6.7.3 |
References
- https://git.kernel.org/stable/c/569156e4fa347237f8fa2a7e935d860109c55ac4Mailing List, Patch
- https://git.kernel.org/stable/c/814af6b4e6000e574e74d92197190edf07cc3680Mailing List, Patch
- https://git.kernel.org/stable/c/dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9Mailing List, Patch
- https://git.kernel.org/stable/c/569156e4fa347237f8fa2a7e935d860109c55ac4Mailing List, Patch
- https://git.kernel.org/stable/c/814af6b4e6000e574e74d92197190edf07cc3680Mailing List, Patch
- https://git.kernel.org/stable/c/dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9Mailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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