CVE-2024-26618: arm64/sme: Always exit sme_alloc() early with existing storage
First published: Thu Feb 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: arm64/sme: Always exit sme_alloc() early with existing storage The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2024-26618">CVE-2024-26618</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/20240229155245.1571576-50-lee@kernel.org/T">https://lore.kernel.org/linux-cve-announce/20240229155245.1571576-50-lee@kernel.org/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.6.15 | 6.6.15 |
| redhat/kernel | <6.7.3 | 6.7.3 |
| redhat/kernel | <6.8 | 6.8 |
| debian/linux | <=6.1.123-1<=6.1.119-1 | 5.10.223-1 5.10.226-1 6.12.10-1 6.12.11-1 |
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Reference Links
- https://git.kernel.org/stable/c/569156e4fa347237f8fa2a7e935d860109c55ac4
- https://git.kernel.org/stable/c/814af6b4e6000e574e74d92197190edf07cc3680
- https://git.kernel.org/stable/c/dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9
- https://launchpad.net/bugs/cve/CVE-2024-26618
- https://access.redhat.com/security/cve/CVE-2024-26618
- https://lore.kernel.org/linux-cve-announce/20240229155245.1571576-50-lee@kernel.org/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2269193
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2269192
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26618
- https://nvd.nist.gov/vuln/detail/CVE-2024-26618
- https://security-tracker.debian.org/tracker/CVE-2024-26618
- https://ubuntu.com/security/CVE-2024-26618
- https://git.kernel.org/linus/dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9
Frequently Asked Questions
What is the severity of CVE-2024-26618?
CVE-2024-26618 has been categorized by the Linux kernel CVE team, but severity ratings may vary based on specific use cases.
How do I fix CVE-2024-26618?
To mitigate CVE-2024-26618, update your kernel to versions 6.6.15, 6.7.3, or 6.8 for Red Hat systems, or ensure you are running appropriate Debian kernel versions.
Which systems are affected by CVE-2024-26618?
CVE-2024-26618 affects certain versions of the Linux kernel across both Red Hat and Debian distributions.
What is the cause of CVE-2024-26618?
CVE-2024-26618 is caused by an issue in the Linux kernel related to the handling of memory allocation in the ARM64 SMEm (Scalable Matrix Engine) architecture.
Has CVE-2024-26618 been resolved?
Yes, CVE-2024-26618 has been resolved in the latest kernel updates from the affected distributions.
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