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CVE-2021-47311

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CVE-2021-47311

Published: May 21, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: net: qcom/emac: fix UAF in emac_remove adpt is netdev private data and it cannot be used after free_netdev() call. Using adpt after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.

VendorProductVersions

Linux

Linux

affected
54e19bc74f3380d414681762ceed9f7245bc6a6e - < 4d04a42b926e682140776e54188f4a44f1f01a81
affected
54e19bc74f3380d414681762ceed9f7245bc6a6e - < b1e091331920f8fbfc747dcbd16263fcd71abb2d
affected
54e19bc74f3380d414681762ceed9f7245bc6a6e - < 11e9d163d631198bb3eb41a677a61b499516c0f7
affected
54e19bc74f3380d414681762ceed9f7245bc6a6e - < 2b70ca92847c619d6264c7372ef74fcbfd1e048c
affected
54e19bc74f3380d414681762ceed9f7245bc6a6e - < b560521eca03d0a2db6093a5a632cbdd0a0cf833

+2 more versions

Linux

Linux

affected
4.9
unaffected
0 - < 4.9
unaffected
4.9.277 - <= 4.9.*
unaffected
4.14.241 - <= 4.14.*
unaffected
4.19.199 - <= 4.19.*

+4 more versions

References

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