Executive Summary

Informations
Name CVE-2022-49670 First vendor Publication 2025-02-26
Vendor Cve Last vendor Modification 2025-03-11

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel, the following vulnerability has been resolved:

linux/dim: Fix divide by 0 in RDMA DIM

Fix a divide 0 error in rdma_dim_stats_compare() when prev->cpe_ratio == 0.

CallTrace:
Hardware name: H3C R4900 G3/RS33M2C9S, BIOS 2.00.37P21 03/12/2020
task: ffff880194b78000 task.stack: ffffc90006714000
RIP: 0010:backport_rdma_dim+0x10e/0x240 [mlx_compat]
RSP: 0018:ffff880c10e83ec0 EFLAGS: 00010202
RAX: 0000000000002710 RBX: ffff88096cd7f780 RCX: 0000000000000064
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 000000001d7c6c09
R13: ffff88096cd7f780 R14: ffff880b174fe800 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff880c10e80000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000a0965b00 CR3: 000000000200a003 CR4: 00000000007606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:

ib_poll_handler+0x43/0x80 [ib_core]
irq_poll_softirq+0xae/0x110
__do_softirq+0xd1/0x28c
irq_exit+0xde/0xf0
do_IRQ+0x54/0xe0
common_interrupt+0x8f/0x8f

? cpuidle_enter_state+0xd9/0x2a0
? cpuidle_enter_state+0xc7/0x2a0
? do_idle+0x170/0x1d0
? cpu_startup_entry+0x6f/0x80
? start_secondary+0x1b9/0x210
? secondary_startup_64+0xa5/0xb0
Code: 0f 87 e1 00 00 00 8b 4c 24 14 44 8b 43 14 89 c8 4d 63 c8 44 29 c0 99 31 d0 29 d0 31 d2 48 98 48 8d 04 80 48 8d 04 80 48 c1 e0 02 <49> f7 f1 48 83 f8 0a 0f 86 c1 00 00 00 44 39 c1 7f 10 48 89 df
RIP: backport_rdma_dim+0x10e/0x240 [mlx_compat] RSP: ffff880c10e83ec0

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-49670

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-369 Divide By Zero

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3543

Sources (Detail)

https://git.kernel.org/stable/c/0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e
https://git.kernel.org/stable/c/0fe3dbbefb74a8575f61d7801b08dbc50523d60d
https://git.kernel.org/stable/c/5af106f8e072aebd88b95e164a08fa320651a99a
https://git.kernel.org/stable/c/7c1963391af51ee322378d1b2849c60e9037f069
https://git.kernel.org/stable/c/fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95
Source Url

Alert History

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Date Informations
2025-06-26 02:10:10
  • Multiple Updates
2025-06-25 12:23:00
  • Multiple Updates
2025-06-24 02:14:45
  • Multiple Updates
2025-05-27 02:11:29
  • Multiple Updates
2025-03-29 03:15:03
  • Multiple Updates
2025-03-28 13:35:22
  • Multiple Updates
2025-03-28 02:57:27
  • Multiple Updates
2025-03-19 00:20:45
  • Multiple Updates
2025-03-18 00:20:48
  • Multiple Updates
2025-03-14 00:21:14
  • Multiple Updates
2025-03-13 21:21:09
  • Multiple Updates
2025-03-12 05:48:10
  • Multiple Updates
2025-02-26 17:20:29
  • First insertion