mirror of
https://github.com/CVEProject/cvelist.git
synced 2025-07-29 05:56:59 +00:00
102 lines
5.8 KiB
JSON
102 lines
5.8 KiB
JSON
{
|
|
"data_version": "4.0",
|
|
"data_type": "CVE",
|
|
"data_format": "MITRE",
|
|
"CVE_data_meta": {
|
|
"ID": "CVE-2021-47590",
|
|
"ASSIGNER": "cve@kernel.org",
|
|
"STATE": "PUBLIC"
|
|
},
|
|
"description": {
|
|
"description_data": [
|
|
{
|
|
"lang": "eng",
|
|
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix deadlock in __mptcp_push_pending()\n\n__mptcp_push_pending() may call mptcp_flush_join_list() with subflow\nsocket lock held. If such call hits mptcp_sockopt_sync_all() then\nsubsequently __mptcp_sockopt_sync() could try to lock the subflow\nsocket for itself, causing a deadlock.\n\nsysrq: Show Blocked State\ntask:ss-server state:D stack: 0 pid: 938 ppid: 1 flags:0x00000000\nCall Trace:\n <TASK>\n __schedule+0x2d6/0x10c0\n ? __mod_memcg_state+0x4d/0x70\n ? csum_partial+0xd/0x20\n ? _raw_spin_lock_irqsave+0x26/0x50\n schedule+0x4e/0xc0\n __lock_sock+0x69/0x90\n ? do_wait_intr_irq+0xa0/0xa0\n __lock_sock_fast+0x35/0x50\n mptcp_sockopt_sync_all+0x38/0xc0\n __mptcp_push_pending+0x105/0x200\n mptcp_sendmsg+0x466/0x490\n sock_sendmsg+0x57/0x60\n __sys_sendto+0xf0/0x160\n ? do_wait_intr_irq+0xa0/0xa0\n ? fpregs_restore_userregs+0x12/0xd0\n __x64_sys_sendto+0x20/0x30\n do_syscall_64+0x38/0x90\n entry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x7f9ba546c2d0\nRSP: 002b:00007ffdc3b762d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c\nRAX: ffffffffffffffda RBX: 00007f9ba56c8060 RCX: 00007f9ba546c2d0\nRDX: 000000000000077a RSI: 0000000000e5e180 RDI: 0000000000000234\nRBP: 0000000000cc57f0 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 00007f9ba56c8060\nR13: 0000000000b6ba60 R14: 0000000000cc7840 R15: 41d8685b1d7901b8\n </TASK>\n\nFix the issue by using __mptcp_flush_join_list() instead of plain\nmptcp_flush_join_list() inside __mptcp_push_pending(), as suggested by\nFlorian. The sockopt sync will be deferred to the workqueue."
|
|
}
|
|
]
|
|
},
|
|
"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": "1b3e7ede1365",
|
|
"version_value": "23311b92755f"
|
|
},
|
|
{
|
|
"version_value": "not down converted",
|
|
"x_cve_json_5_version_data": {
|
|
"versions": [
|
|
{
|
|
"version": "5.13",
|
|
"status": "affected"
|
|
},
|
|
{
|
|
"version": "0",
|
|
"lessThan": "5.13",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.15.11",
|
|
"lessThanOrEqual": "5.15.*",
|
|
"status": "unaffected",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "5.16",
|
|
"lessThanOrEqual": "*",
|
|
"status": "unaffected",
|
|
"versionType": "original_commit_for_fix"
|
|
}
|
|
],
|
|
"defaultStatus": "affected"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
}
|
|
}
|
|
]
|
|
}
|
|
},
|
|
"references": {
|
|
"reference_data": [
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/23311b92755ffa9087332d1bb8c71c0f6a10cc08",
|
|
"refsource": "MISC",
|
|
"name": "https://git.kernel.org/stable/c/23311b92755ffa9087332d1bb8c71c0f6a10cc08"
|
|
},
|
|
{
|
|
"url": "https://git.kernel.org/stable/c/3d79e3756ca90f7a6087b77b62c1d9c0801e0820",
|
|
"refsource": "MISC",
|
|
"name": "https://git.kernel.org/stable/c/3d79e3756ca90f7a6087b77b62c1d9c0801e0820"
|
|
}
|
|
]
|
|
},
|
|
"generator": {
|
|
"engine": "bippy-9e1c9544281a"
|
|
}
|
|
} |