cvelist/2024/26xxx/CVE-2024-26640.json
2024-11-05 10:03:27 +00:00

146 lines
8.0 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-26640",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: add sanity checks to rx zerocopy\n\nTCP rx zerocopy intent is to map pages initially allocated\nfrom NIC drivers, not pages owned by a fs.\n\nThis patch adds to can_map_frag() these additional checks:\n\n- Page must not be a compound one.\n- page->mapping must be NULL.\n\nThis fixes the panic reported by ZhangPeng.\n\nsyzbot was able to loopback packets built with sendfile(),\nmapping pages owned by an ext4 file to TCP rx zerocopy.\n\nr3 = socket$inet_tcp(0x2, 0x1, 0x0)\nmmap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x0, 0x12, r3, 0x0)\nr4 = socket$inet_tcp(0x2, 0x1, 0x0)\nbind$inet(r4, &(0x7f0000000000)={0x2, 0x4e24, @multicast1}, 0x10)\nconnect$inet(r4, &(0x7f00000006c0)={0x2, 0x4e24, @empty}, 0x10)\nr5 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\\x00',\n 0x181e42, 0x0)\nfallocate(r5, 0x0, 0x0, 0x85b8)\nsendfile(r4, r5, 0x0, 0x8ba0)\ngetsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r4, 0x6, 0x23,\n &(0x7f00000001c0)={&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0,\n 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000440)=0x40)\nr6 = openat$dir(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\\x00',\n 0x181e42, 0x0)"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "n/a"
}
]
}
]
},
"affects": {
"vendor": {
"vendor_data": [
{
"vendor_name": "Linux",
"product": {
"product_data": [
{
"product_name": "Linux",
"version": {
"version_data": [
{
"version_affected": "<",
"version_name": "93ab6cc69162",
"version_value": "f48bf9a83b16"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "4.18",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.18",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.210",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.149",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.77",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.16",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.7.4",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.8",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
],
"defaultStatus": "affected"
}
}
]
}
}
]
}
}
]
}
},
"references": {
"reference_data": [
{
"url": "https://git.kernel.org/stable/c/f48bf9a83b1666d934247cb58a9887d7b3127b6f",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/f48bf9a83b1666d934247cb58a9887d7b3127b6f"
},
{
"url": "https://git.kernel.org/stable/c/718f446e60316bf606946f7f42367d691d21541e",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/718f446e60316bf606946f7f42367d691d21541e"
},
{
"url": "https://git.kernel.org/stable/c/b383d4ea272fe5795877506dcce5aad1f6330e5e",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/b383d4ea272fe5795877506dcce5aad1f6330e5e"
},
{
"url": "https://git.kernel.org/stable/c/d15cc0f66884ef2bed28c7ccbb11c102aa3a0760",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/d15cc0f66884ef2bed28c7ccbb11c102aa3a0760"
},
{
"url": "https://git.kernel.org/stable/c/1b8adcc0e2c584fec778add7777fe28e20781e60",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/1b8adcc0e2c584fec778add7777fe28e20781e60"
},
{
"url": "https://git.kernel.org/stable/c/577e4432f3ac810049cb7e6b71f4d96ec7c6e894",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/577e4432f3ac810049cb7e6b71f4d96ec7c6e894"
}
]
},
"generator": {
"engine": "bippy-9e1c9544281a"
}
}