In the Linux kernel, the following vulnerability has been resolved:
ipv6: prevent possible UAF in ip6_xmit()
If skb_expand_head() returns NULL, skb has been freed
and the associated dst/idev could also have been freed.
We must use rcu_read_lock() to prevent a possible UAF.
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/ipv6/ip6_output.c"
],
"versions": [
{
"version": "0c9f227bee11",
"lessThan": "975f764e96f7",
"status": "affected",
"versionType": "git"
},
{
"version": "0c9f227bee11",
"lessThan": "38a21c026ed2",
"status": "affected",
"versionType": "git"
},
{
"version": "0c9f227bee11",
"lessThan": "124b428fe280",
"status": "affected",
"versionType": "git"
},
{
"version": "0c9f227bee11",
"lessThan": "fc88d6c1f289",
"status": "affected",
"versionType": "git"
},
{
"version": "0c9f227bee11",
"lessThan": "2d5ff7e339d0",
"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/ipv6/ip6_output.c"
],
"versions": [
{
"version": "5.15",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.15",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.166",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.107",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.48",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.10.7",
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.11",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/124b428fe28064c809e4237b0b38e97200a8a4a8
git.kernel.org/stable/c/2d5ff7e339d04622d8282661df36151906d0e1c7
git.kernel.org/stable/c/38a21c026ed2cc7232414cb166efc1923f34af17
git.kernel.org/stable/c/975f764e96f71616b530e300c1bb2ac0ce0c2596
git.kernel.org/stable/c/fc88d6c1f2895a5775795d82ec581afdff7661d1