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CVE-2021-47298

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CVE-2021-47298

Published: May 21, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix potential memory leak on unlikely error case If skb_linearize is needed and fails we could leak a msg on the error handling. To fix ensure we kfree the msg block before returning error. Found during code review.

VendorProductVersions

Linux

Linux

affected
4363023d2668e621b0743db351a9555d6e6ea57e - < 715f378f42909c401ec043f5150c4fdf57fb8889
affected
4363023d2668e621b0743db351a9555d6e6ea57e - < 6c508a1c6c62793dc6e6872cad4b200097bab7c9
affected
4363023d2668e621b0743db351a9555d6e6ea57e - < 7e6b27a69167f97c56b5437871d29e9722c3e470

Linux

Linux

affected
5.10
unaffected
0 - < 5.10
unaffected
5.10.54 - <= 5.10.*
unaffected
5.13.6 - <= 5.13.*
unaffected
5.14 - <= *

References

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