cvelist/2024/26xxx/CVE-2024-26638.json
2024-11-05 10:03:27 +00:00

124 lines
6.9 KiB
JSON

{
"data_version": "4.0",
"data_type": "CVE",
"data_format": "MITRE",
"CVE_data_meta": {
"ID": "CVE-2024-26638",
"ASSIGNER": "cve@kernel.org",
"STATE": "PUBLIC"
},
"description": {
"description_data": [
{
"lang": "eng",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnbd: always initialize struct msghdr completely\n\nsyzbot complains that msg->msg_get_inq value can be uninitialized [1]\n\nstruct msghdr got many new fields recently, we should always make\nsure their values is zero by default.\n\n[1]\n BUG: KMSAN: uninit-value in tcp_recvmsg+0x686/0xac0 net/ipv4/tcp.c:2571\n tcp_recvmsg+0x686/0xac0 net/ipv4/tcp.c:2571\n inet_recvmsg+0x131/0x580 net/ipv4/af_inet.c:879\n sock_recvmsg_nosec net/socket.c:1044 [inline]\n sock_recvmsg+0x12b/0x1e0 net/socket.c:1066\n __sock_xmit+0x236/0x5c0 drivers/block/nbd.c:538\n nbd_read_reply drivers/block/nbd.c:732 [inline]\n recv_work+0x262/0x3100 drivers/block/nbd.c:863\n process_one_work kernel/workqueue.c:2627 [inline]\n process_scheduled_works+0x104e/0x1e70 kernel/workqueue.c:2700\n worker_thread+0xf45/0x1490 kernel/workqueue.c:2781\n kthread+0x3ed/0x540 kernel/kthread.c:388\n ret_from_fork+0x66/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242\n\nLocal variable msg created at:\n __sock_xmit+0x4c/0x5c0 drivers/block/nbd.c:513\n nbd_read_reply drivers/block/nbd.c:732 [inline]\n recv_work+0x262/0x3100 drivers/block/nbd.c:863\n\nCPU: 1 PID: 7465 Comm: kworker/u5:1 Not tainted 6.7.0-rc7-syzkaller-00041-gf016f7547aee #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023\nWorkqueue: nbd5-recv recv_work"
}
]
},
"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": "f94fd25cb0aa",
"version_value": "d9c54763e5cd"
},
{
"version_value": "not down converted",
"x_cve_json_5_version_data": {
"versions": [
{
"version": "5.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.19",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.76",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.15",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.7.3",
"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/d9c54763e5cdbbd3f81868597fe8aca3c96e6387",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/d9c54763e5cdbbd3f81868597fe8aca3c96e6387"
},
{
"url": "https://git.kernel.org/stable/c/1960f2b534da1e6c65fb96f9e98bda773495f406",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/1960f2b534da1e6c65fb96f9e98bda773495f406"
},
{
"url": "https://git.kernel.org/stable/c/b0028f333420a65a53a63978522db680b37379dd",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/b0028f333420a65a53a63978522db680b37379dd"
},
{
"url": "https://git.kernel.org/stable/c/78fbb92af27d0982634116c7a31065f24d092826",
"refsource": "MISC",
"name": "https://git.kernel.org/stable/c/78fbb92af27d0982634116c7a31065f24d092826"
}
]
},
"generator": {
"engine": "bippy-9e1c9544281a"
}
}