Ubuntu.comUB:CVE-2021-46991CVE-2021-46991
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”)
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 20.04 | noarch | linux | < 5.4.0-80.90 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1054.57 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-aws-5.4 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure | < 5.4.0-1055.57 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-azure-5.4 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-bluefield | < 5.4.0-1016.19 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gcp | < 5.4.0-1049.53 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-gcp-5.4 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gkeop | < 5.4.0-1021.22 | UNKNOWN |
| ubuntu | 18.04 | noarch | linux-hwe-5.4 | < any | UNKNOWN |
References
git.kernel.org/linus/38318f23a7ef86a8b1862e5e8078c4de121960c3 (5.13-rc1)
git.kernel.org/stable/c/1fd5d262e7442192ac7611ff1597a36c5b044323
git.kernel.org/stable/c/38318f23a7ef86a8b1862e5e8078c4de121960c3
git.kernel.org/stable/c/4ebc10aa7cd17fd9857dedac69600465c9dd16d1
git.kernel.org/stable/c/829a713450b8fb127cbabfc1244c1d8179ec5107
git.kernel.org/stable/c/c1322eaeb8af0d8985b5cc5fa759140fa0e57b84
git.kernel.org/stable/c/d718c15a2bf9ae082d5ae4d177fb19ef23cb4132
launchpad.net/bugs/cve/CVE-2021-46991
nvd.nist.gov/vuln/detail/CVE-2021-46991
security-tracker.debian.org/tracker/CVE-2021-46991
www.cve.org/CVERecord?id=CVE-2021-46991
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