In the Linux kernel, the following vulnerability has been resolved:
gtp: fix a potential NULL pointer dereference
When sockfd_lookup() fails, gtp_encap_enable_socket() returns a
NULL pointer, but its callers only check for error pointers thus miss
the NULL pointer case.
Fix it by returning an error pointer with the error code carried from
sockfd_lookup().
(I found this bug during code inspection.)
[
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/net/gtp.c"
],
"versions": [
{
"version": "1e3a3abd8b28",
"lessThan": "620fe9809752",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "bdd99e5f0ad5",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "8bbb9e4e0e66",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "4643b91691e9",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "e8b9930b0eb0",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "28c67f0f84f8",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "612edd35f2a3",
"status": "affected",
"versionType": "git"
},
{
"version": "1e3a3abd8b28",
"lessThan": "defd8b3c37b0",
"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/gtp.c"
],
"versions": [
{
"version": "4.12",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.12",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "4.19.321",
"lessThanOrEqual": "4.19.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.4.283",
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.10.225",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "5.15.166",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.1.108",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.6.49",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.10.8",
"lessThanOrEqual": "6.10.*",
"status": "unaffected",
"versionType": "custom"
},
{
"version": "6.11",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
]
git.kernel.org/stable/c/28c67f0f84f889fe9f4cbda8354132b20dc9212d
git.kernel.org/stable/c/4643b91691e969b1b9ad54bf552d7a990cfa3b87
git.kernel.org/stable/c/612edd35f2a3910ab1f61c1f2338889d4ba99fa2
git.kernel.org/stable/c/620fe9809752fae91b4190e897b81ed9976dfb39
git.kernel.org/stable/c/8bbb9e4e0e66a39282e582d0440724055404b38c
git.kernel.org/stable/c/bdd99e5f0ad5fa727b16f2101fe880aa2bff2f8e
git.kernel.org/stable/c/defd8b3c37b0f9cb3e0f60f47d3d78d459d57fda
git.kernel.org/stable/c/e8b9930b0eb045d19e883c65ff9676fc89320c70