cbcvebase.
CVE-2022-49584
published 2025-02-26

CVE-2022-49584: In the Linux kernel, the following vulnerability has been resolved: ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero It is possible to…

PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.20%
10.0th percentile
In the Linux kernel, the following vulnerability has been resolved: ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero It is possible to disable VFs while the PF driver is processing requests from the VF driver. This can result in a panic. BUG: unable to handle kernel paging request at 000000000000106c PGD 0 P4D 0 Oops: 0000 [#1] SMP NOPTI CPU: 8 PID: 0 Comm: swapper/8 Kdump: loaded Tainted: G I --------- - Hardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020 RIP: 0010:ixgbe_msg_task+0x4c8/0x1690 [ixgbe] Code: 00 00 48 8d 04 40 48 c1 e0 05 89 7c 24 24 89 fd 48 89 44 24 10 83 ff 01 0f 84 b8 04 00 00 4c 8b 64 24 10 4d 03 a5 48 22 00 00 80 7c 24 4c 00 0f 84 8a 03 00 00 0f b7 c7 83 f8 08 0f 84 8f 0a RSP: 0018:ffffb337869f8df8 EFLAGS: 00010002 RAX: 0000000000001020 RBX: 0000000000000000 RCX: 000000000000002b RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000006 RBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000029780 R10: 00006957d8f42832 R11: 0000000000000000 R12: 0000000000001020 R13: ffff8a00e8978ac0 R14: 000000000000002b R15: ffff8a00e8979c80 FS: 0000000000000000(0000) GS:ffff8a07dfd00000(0000) knlGS:00000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000106c CR3: 0000000063e10004 CR4: 00000000007726e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: ? ttwu_do_wakeup+0x19/0x140 ? try_to_wake_up+0x1cd/0x550 ? ixgbevf_update_xcast_mode+0x71/0xc0 [ixgbevf] ixgbe_msix_other+0x17e/0x310 [ixgbe] __handle_irq_event_percpu+0x40/0x180 handle_irq_event_percpu+0x30/0x80 handle_irq_event+0x36/0x53 handle_edge_irq+0x82/0x190 handle_irq+0x1c/0x30 do_IRQ+0x49/0xd0 common_interrupt+0xf/0xf This can be eventually be reproduced with the following script: while : do echo 63 > /sys/class/net//device/sriov_numvfs sleep 1 echo 0 > /sys/class/net//device/sriov_numvfs sleep 1 done Add lock when

Affected

16 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.18.16-1 (bookworm)linux 5.18.16-1 (bookworm)
linuxlinux——
linuxlinux>= d773d1310625be3b040b436178ad59a0af8888f1 < 031af9e617a6f51075d97e56fc9e712c7dde2508031af9e617a6f51075d97e56fc9e712c7dde2508
linuxlinux>= d773d1310625be3b040b436178ad59a0af8888f1 < b82de63f8f817b5735480293dda8e92ba8170c52b82de63f8f817b5735480293dda8e92ba8170c52
linuxlinux>= d773d1310625be3b040b436178ad59a0af8888f1 < 16f929a5e76fd047fd8697e1e568bdd7d771955c16f929a5e76fd047fd8697e1e568bdd7d771955c
linuxlinux>= d773d1310625be3b040b436178ad59a0af8888f1 < 9d925d2dc82cec2bcbd8625457645d8a548ab22e9d925d2dc82cec2bcbd8625457645d8a548ab22e
linuxlinux>= d773d1310625be3b040b436178ad59a0af8888f1 < 1e53834ce541d4fe271cdcca7703e50be0a44f8a1e53834ce541d4fe271cdcca7703e50be0a44f8a
linuxlinux_kernel——
linuxlinux_kernel>= 0 < 5.10.136-15.10.136-1
linuxlinux_kernel>= 0 < 5.18.16-15.18.16-1
linuxlinux_kernel>= 0 < 5.18.16-15.18.16-1
linuxlinux_kernel>= 0 < 5.18.16-15.18.16-1
linuxlinux_kernel>= 3.6 < 5.4.2085.4.208
linuxlinux_kernel>= 5.11 < 5.15.585.15.58
linuxlinux_kernel>= 5.16 < 5.18.155.18.15
linuxlinux_kernel>= 5.5 < 5.10.1345.10.134

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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