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CVE-2021-46991

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CVE-2021-46991

Published: Feb 28, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix use-after-free in i40e_client_subtask() Currently the call to i40e_client_del_instance frees the object pf->cinst, however pf->cinst->lan_info is being accessed after the free. Fix this by adding the missing return. Addresses-Coverity: ("Read from pointer after free")

VendorProductVersions

Linux

Linux

affected
7b0b1a6d0ac983ce1928432285d0222d4fb7c38b - < c1322eaeb8af0d8985b5cc5fa759140fa0e57b84
affected
7b0b1a6d0ac983ce1928432285d0222d4fb7c38b - < d718c15a2bf9ae082d5ae4d177fb19ef23cb4132
affected
7b0b1a6d0ac983ce1928432285d0222d4fb7c38b - < 829a713450b8fb127cbabfc1244c1d8179ec5107
affected
7b0b1a6d0ac983ce1928432285d0222d4fb7c38b - < 4ebc10aa7cd17fd9857dedac69600465c9dd16d1
affected
7b0b1a6d0ac983ce1928432285d0222d4fb7c38b - < 1fd5d262e7442192ac7611ff1597a36c5b044323

+1 more versions

Linux

Linux

affected
4.16
unaffected
0 - < 4.16
unaffected
4.19.191 - <= 4.19.*
unaffected
5.4.120 - <= 5.4.*
unaffected
5.10.38 - <= 5.10.*

+3 more versions

References

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