In the Linux kernel, the following vulnerability has been resolved:
net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()
Sili Luo reported a race in nfc_llcp_sock_get(), leading to UAF.
Getting a reference on the socket found in a lookup while
holding a lock should happen before releasing the lock.
nfc_llcp_sock_get_sn() has a similar problem.
Finally nfc_llcp_recv_snl() needs to make sure the socket
found by nfc_llcp_sock_from_sn() does not disappear.
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/nfc/llcp_core.c"
],
"versions": [
{
"version": "8f50020ed9b8",
"lessThan": "e863f5720a56",
"status": "affected",
"versionType": "git"
},
{
"version": "8f50020ed9b8",
"lessThan": "7adcf014bda1",
"status": "affected",
"versionType": "git"
},
{
"version": "8f50020ed9b8",
"lessThan": "6ac22ecdaad2",
"status": "affected",
"versionType": "git"
},
{
"version": "8f50020ed9b8",
"lessThan": "d888d3f70b0d",
"status": "affected",
"versionType": "git"
},
{
"version": "8f50020ed9b8",
"lessThan": "e4f2611f07c8",
"status": "affected",
"versionType": "git"
},
{
"version": "8f50020ed9b8",
"lessThan": "d1af8a39cf83",
"status": "affected",
"versionType": "git"
},
{
"version": "8f50020ed9b8",
"lessThan": "31c07dffafce",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/nfc/llcp_core.c"
],
"versions": [
{
"version": "3.6",
"status": "affected"
},
{
"version": "0",
"lessThan": "3.6",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.297",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.259",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.199",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.136",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.59",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.5.8",
"lessThanOrEqual": "6.5.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/31c07dffafce914c1d1543c135382a11ff058d93
git.kernel.org/stable/c/6ac22ecdaad2ecc662048f8c6b0ceb1ca0699ef9
git.kernel.org/stable/c/7adcf014bda16cdbf804af5c164d94d5d025db2d
git.kernel.org/stable/c/d1af8a39cf839d93c8967fdd858f6bbdc3e4a15c
git.kernel.org/stable/c/d888d3f70b0de32b4f51534175f039ddab15eef8
git.kernel.org/stable/c/e4f2611f07c87b3ddb57c4b9e8efcd1e330fc3dc
git.kernel.org/stable/c/e863f5720a5680e50c4cecf12424d7cc31b3eb0a