fkie_cve-2023-53121
Vulnerability from fkie_nvd
Published
2025-05-02 16:15
Modified
2025-05-05 20:54
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
tcp: tcp_make_synack() can be called from process context
tcp_rtx_synack() now could be called in process context as explained in
0a375c822497 ("tcp: tcp_rtx_synack() can be called from process
context").
tcp_rtx_synack() might call tcp_make_synack(), which will touch per-CPU
variables with preemption enabled. This causes the following BUG:
BUG: using __this_cpu_add() in preemptible [00000000] code: ThriftIO1/5464
caller is tcp_make_synack+0x841/0xac0
Call Trace:
<TASK>
dump_stack_lvl+0x10d/0x1a0
check_preemption_disabled+0x104/0x110
tcp_make_synack+0x841/0xac0
tcp_v6_send_synack+0x5c/0x450
tcp_rtx_synack+0xeb/0x1f0
inet_rtx_syn_ack+0x34/0x60
tcp_check_req+0x3af/0x9e0
tcp_rcv_state_process+0x59b/0x2030
tcp_v6_do_rcv+0x5f5/0x700
release_sock+0x3a/0xf0
tcp_sendmsg+0x33/0x40
____sys_sendmsg+0x2f2/0x490
__sys_sendmsg+0x184/0x230
do_syscall_64+0x3d/0x90
Avoid calling __TCP_INC_STATS() with will touch per-cpu variables. Use
TCP_INC_STATS() which is safe to be called from context switch.
References
Impacted products
| Vendor | Product | Version |
|---|
{
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntcp: tcp_make_synack() can be called from process context\n\ntcp_rtx_synack() now could be called in process context as explained in\n0a375c822497 (\"tcp: tcp_rtx_synack() can be called from process\ncontext\").\n\ntcp_rtx_synack() might call tcp_make_synack(), which will touch per-CPU\nvariables with preemption enabled. This causes the following BUG:\n\n BUG: using __this_cpu_add() in preemptible [00000000] code: ThriftIO1/5464\n caller is tcp_make_synack+0x841/0xac0\n Call Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x10d/0x1a0\n check_preemption_disabled+0x104/0x110\n tcp_make_synack+0x841/0xac0\n tcp_v6_send_synack+0x5c/0x450\n tcp_rtx_synack+0xeb/0x1f0\n inet_rtx_syn_ack+0x34/0x60\n tcp_check_req+0x3af/0x9e0\n tcp_rcv_state_process+0x59b/0x2030\n tcp_v6_do_rcv+0x5f5/0x700\n release_sock+0x3a/0xf0\n tcp_sendmsg+0x33/0x40\n ____sys_sendmsg+0x2f2/0x490\n __sys_sendmsg+0x184/0x230\n do_syscall_64+0x3d/0x90\n\nAvoid calling __TCP_INC_STATS() with will touch per-cpu variables. Use\nTCP_INC_STATS() which is safe to be called from context switch."
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tcp: tcp_make_synack() se puede llamar desde el contexto del proceso. tcp_rtx_synack() ahora se puede llamar en el contexto del proceso como se explica en 0a375c822497 (\"tcp: tcp_rtx_synack() se puede llamar desde el contexto del proceso\"). tcp_rtx_synack() podr\u00eda llamar a tcp_make_synack(), que tocar\u00e1 las variables por CPU con la preempci\u00f3n habilitada. Esto provoca el siguiente ERROR: ERROR: uso de __this_cpu_add() en c\u00f3digo preemptible [00000000]: El llamador de ThriftIO1/5464 es tcp_make_synack+0x841/0xac0 Rastreo de llamadas: dump_stack_lvl+0x10d/0x1a0 check_preemption_disabled+0x104/0x110 tcp_make_synack+0x841/0xac0 tcp_v6_send_synack+0x5c/0x450 tcp_rtx_synack+0xeb/0x1f0 inet_rtx_syn_ack+0x34/0x60 tcp_check_req+0x3af/0x9e0 tcp_rcv_state_process+0x59b/0x2030 tcp_v6_do_rcv+0x5f5/0x700 release_sock+0x3a/0xf0 tcp_sendmsg+0x33/0x40 ____sys_sendmsg+0x2f2/0x490 __sys_sendmsg+0x184/0x230 do_syscall_64+0x3d/0x90 Evite llamar a __TCP_INC_STATS(), ya que afectar\u00e1 las variables por CPU. Use TCP_INC_STATS(), que se puede llamar de forma segura desde un cambio de contexto."
}
],
"id": "CVE-2023-53121",
"lastModified": "2025-05-05T20:54:19.760",
"metrics": {},
"published": "2025-05-02T16:15:31.173",
"references": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/442aa78ed70188b21ccd8669738448702c0a3281"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/7613cde8c0c1f02a7ec2e1d536c01b65b135fc1c"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/77ad58bca0119e8cc3e0e9d91a3f22caa66e4dfa"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/9180aa4622a720b433e842b4d3aa34d73eec577a"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/ad07290d63ff6689f50565b02f5b6f34ec15a5ca"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/bced3f7db95ff2e6ca29dc4d1c9751ab5e736a09"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/d493d4fe88195a144d6a277a90062a7534ed2192"
},
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"url": "https://git.kernel.org/stable/c/e23ca307745be3df7fe9762f3e2a7e311a57852e"
}
],
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Awaiting Analysis"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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