In the Linux kernel, the following vulnerability has been resolved:
netfilter: nfnetlinkosf: fix possible bogus match in nfosf_find()
nfosffind() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.
[
{
"id": "CVE-2022-48654-0f9e3e75",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"target": {
"file": "net/netfilter/nfnetlink_osf.c"
},
"digest": {
"line_hashes": [
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],
"threshold": 0.9
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@5d75fef3e61e797fab5c3fbba88caa74ab92ad47"
},
{
"id": "CVE-2022-48654-63702843",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"target": {
"file": "net/netfilter/nfnetlink_osf.c",
"function": "nf_osf_find"
},
"digest": {
"function_hash": "21780391760956909167767164457708288266",
"length": 637.0
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@5d75fef3e61e797fab5c3fbba88caa74ab92ad47"
},
{
"id": "CVE-2022-48654-8cf4df56",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Line",
"target": {
"file": "net/netfilter/nfnetlink_osf.c"
},
"digest": {
"line_hashes": [
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],
"threshold": 0.9
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@816eab147e5c6f6621922b8515ad9010ceb1735e"
},
{
"id": "CVE-2022-48654-ed4b0bba",
"deprecated": false,
"signature_version": "v1",
"signature_type": "Function",
"target": {
"file": "net/netfilter/nfnetlink_osf.c",
"function": "nf_osf_find"
},
"digest": {
"function_hash": "21780391760956909167767164457708288266",
"length": 637.0
},
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@816eab147e5c6f6621922b8515ad9010ceb1735e"
}
]