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CVE-2024-26618

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CVE-2024-26618

Published: Feb 29, 2024

Modified: May 23, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
21614ba60883eb93b99a7ee4b41cb927f93b39ae - < f6421555dbd7cb3d4d70b69f33f998aaeca1e3b5
affected
5d0a8d2fba50e9c07cde4aad7fba28c008b07a5b - < 569156e4fa347237f8fa2a7e935d860109c55ac4
affected
5d0a8d2fba50e9c07cde4aad7fba28c008b07a5b - < 814af6b4e6000e574e74d92197190edf07cc3680
affected
5d0a8d2fba50e9c07cde4aad7fba28c008b07a5b - < dc7eb8755797ed41a0d1b5c0c39df3c8f401b3d9
affected
e01af8e26c23a08625a3dd6c8c472a1752d76cce

+2 more versions

Linux

Linux

affected
6.5
unaffected
0 - < 6.5
unaffected
6.1.140 - <= 6.1.*
unaffected
6.6.15 - <= 6.6.*
unaffected
6.7.3 - <= 6.7.*

+1 more versions

References

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