blob: 0886c2a13e16b216d9cc161c23dc271024fc7f9a [file] [log] [blame]
{
"containers": {
"cna": {
"providerMetadata": {
"orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: check changes_pkt_data property for extension programs\n\nWhen processing calls to global sub-programs, verifier decides whether\nto invalidate all packet pointers in current state depending on the\nchanges_pkt_data property of the global sub-program.\n\nBecause of this, an extension program replacing a global sub-program\nmust be compatible with changes_pkt_data property of the sub-program\nbeing replaced.\n\nThis commit:\n- adds changes_pkt_data flag to struct bpf_prog_aux:\n - this flag is set in check_cfg() for main sub-program;\n - in jit_subprogs() for other sub-programs;\n- modifies bpf_check_attach_btf_id() to check changes_pkt_data flag;\n- moves call to check_attach_btf_id() after the call to check_cfg(),\n because it needs changes_pkt_data flag to be set:\n\n bpf_check:\n ... ...\n - check_attach_btf_id resolve_pseudo_ldimm64\n resolve_pseudo_ldimm64 --> bpf_prog_is_offloaded\n bpf_prog_is_offloaded check_cfg\n check_cfg + check_attach_btf_id\n ... ...\n\nThe following fields are set by check_attach_btf_id():\n- env->ops\n- prog->aux->attach_btf_trace\n- prog->aux->attach_func_name\n- prog->aux->attach_func_proto\n- prog->aux->dst_trampoline\n- prog->aux->mod\n- prog->aux->saved_dst_attach_type\n- prog->aux->saved_dst_prog_type\n- prog->expected_attach_type\n\nNeither of these fields are used by resolve_pseudo_ldimm64() or\nbpf_prog_offload_verifier_prep() (for netronome and netdevsim\ndrivers), so the reordering is safe."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"include/linux/bpf.h",
"kernel/bpf/verifier.c"
],
"versions": [
{
"version": "be8704ff07d2374bcc5c675526f95e70c6459683",
"lessThan": "7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7",
"status": "affected",
"versionType": "git"
},
{
"version": "be8704ff07d2374bcc5c675526f95e70c6459683",
"lessThan": "3846e2bea565ee1c5195dcc625fda9868fb0e3b3",
"status": "affected",
"versionType": "git"
},
{
"version": "be8704ff07d2374bcc5c675526f95e70c6459683",
"lessThan": "81f6d0530ba031b5f038a091619bf2ff29568852",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"include/linux/bpf.h",
"kernel/bpf/verifier.c"
],
"versions": [
{
"version": "5.6",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.6",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.90",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.25",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.13",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.6",
"versionEndExcluding": "6.6.90"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.6",
"versionEndExcluding": "6.12.25"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.6",
"versionEndExcluding": "6.13"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/7197fc4acdf238ec8ad06de5a8235df0c1f9c7d7"
},
{
"url": "https://git.kernel.org/stable/c/3846e2bea565ee1c5195dcc625fda9868fb0e3b3"
},
{
"url": "https://git.kernel.org/stable/c/81f6d0530ba031b5f038a091619bf2ff29568852"
}
],
"title": "bpf: check changes_pkt_data property for extension programs",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
"cveID": "CVE-2024-58100",
"requesterUserId": "gregkh@kernel.org",
"serial": "1",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.0"
}