cbcvebase.
CVE-2022-49670
published 2025-02-26

CVE-2022-49670: 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()…

PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.70%
49.6th percentile
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 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

Affected

19 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.18.14-1 (bookworm)linux 5.18.14-1 (bookworm)
linuxlinux——
linuxlinux>= f4915455dcf07c4f237d6160a4b6adb0575d2909 < 5af106f8e072aebd88b95e164a08fa320651a99a5af106f8e072aebd88b95e164a08fa320651a99a
linuxlinux>= f4915455dcf07c4f237d6160a4b6adb0575d2909 < fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95fae2a9fb1eaf348ad8732f90d42ebbb971bd7e95
linuxlinux>= f4915455dcf07c4f237d6160a4b6adb0575d2909 < 0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e0b6e0eb5c45e79e9095de2498cc0ca5ec563fc5e
linuxlinux>= f4915455dcf07c4f237d6160a4b6adb0575d2909 < 7c1963391af51ee322378d1b2849c60e9037f0697c1963391af51ee322378d1b2849c60e9037f069
linuxlinux>= f4915455dcf07c4f237d6160a4b6adb0575d2909 < 0fe3dbbefb74a8575f61d7801b08dbc50523d60d0fe3dbbefb74a8575f61d7801b08dbc50523d60d
linuxlinux_kernel——
linuxlinux_kernel——
linuxlinux_kernel——
linuxlinux_kernel——
linuxlinux_kernel>= 0 < 5.10.136-15.10.136-1
linuxlinux_kernel>= 0 < 5.18.14-15.18.14-1
linuxlinux_kernel>= 0 < 5.18.14-15.18.14-1
linuxlinux_kernel>= 0 < 5.18.14-15.18.14-1
linuxlinux_kernel>= 5.11 < 5.15.535.15.53
linuxlinux_kernel>= 5.16 < 5.18.105.18.10
linuxlinux_kernel>= 5.3 < 5.4.2045.4.204
linuxlinux_kernel>= 5.5 < 5.10.1295.10.129

CVSS provenance

nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5MEDIUM
vendor_redhat5.5MEDIUM
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