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”)
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/intel/i40e/i40e_client.c"
],
"versions": [
{
"version": "7b0b1a6d0ac9",
"lessThan": "c1322eaeb8af",
"status": "affected",
"versionType": "git"
},
{
"version": "7b0b1a6d0ac9",
"lessThan": "d718c15a2bf9",
"status": "affected",
"versionType": "git"
},
{
"version": "7b0b1a6d0ac9",
"lessThan": "829a713450b8",
"status": "affected",
"versionType": "git"
},
{
"version": "7b0b1a6d0ac9",
"lessThan": "4ebc10aa7cd1",
"status": "affected",
"versionType": "git"
},
{
"version": "7b0b1a6d0ac9",
"lessThan": "1fd5d262e744",
"status": "affected",
"versionType": "git"
},
{
"version": "7b0b1a6d0ac9",
"lessThan": "38318f23a7ef",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/ethernet/intel/i40e/i40e_client.c"
],
"versions": [
{
"version": "4.16",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.16",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.191",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.120",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.38",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.11.22",
"lessThanOrEqual": "5.11.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.12.5",
"lessThanOrEqual": "5.12.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
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