In the Linux kernel, the following vulnerability has been resolved:
IB/IPoIB: Fix legacy IPoIB due to wrong number of queues
The cited commit creates child PKEY interfaces over netlink will multiple tx and rx queues, but some devices doesn't support more than 1 tx and 1 rx queues. This causes to a crash when traffic is sent over the PKEY interface due to the parent having a single queue but the child having multiple queues.
This patch fixes the number of queues to 1 for legacy IPoIB at the earliest possible point in time.
BUG: kernel NULL pointer dereference, address: 000000000000036b PGD 0 P4D 0 Oops: 0000 [#1] SMP CPU: 4 PID: 209665 Comm: python3 Not tainted 6.1.0_for_upstream_min_debug_2022_12_12_17_02 #1 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:kmem_cache_alloc+0xcb/0x450 Code: ce 7e 49 8b 50 08 49 83 78 10 00 4d 8b 28 0f 84 cb 02 00 00 4d 85 ed 0f 84 c2 02 00 00 41 8b 44 24 28 48 8d 4a 01 49 8b 3c 24 <49> 8b 5c 05 00 4c 89 e8 65 48 0f c7 0f 0f 94 c0 84 c0 74 b8 41 8b RSP: 0018:ffff88822acbbab8 EFLAGS: 00010202 RAX: 0000000000000070 RBX: ffff8881c28e3e00 RCX: 00000000064f8dae RDX: 00000000064f8dad RSI: 0000000000000a20 RDI: 0000000000030d00 RBP: 0000000000000a20 R08: ffff8882f5d30d00 R09: ffff888104032f40 R10: ffff88810fade828 R11: 736f6d6570736575 R12: ffff88810081c000 R13: 00000000000002fb R14: ffffffff817fc865 R15: 0000000000000000 FS: 00007f9324ff9700(0000) GS:ffff8882f5d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000036b CR3: 00000001125af004 CR4: 0000000000370ea0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> skb_clone+0x55/0xd0 ip6_finish_output2+0x3fe/0x690 ip6_finish_output+0xfa/0x310 ip6_send_skb+0x1e/0x60 udp_v6_send_skb+0x1e5/0x420 udpv6_sendmsg+0xb3c/0xe60 ? ip_mc_finish_output+0x180/0x180 ? __switch_to_asm+0x3a/0x60 ? __switch_to_asm+0x34/0x60 sock_sendmsg+0x33/0x40 __sys_sendto+0x103/0x160 ? _copy_to_user+0x21/0x30 ? kvm_clock_get_cycles+0xd/0x10 ? ktime_get_ts64+0x49/0xe0 __x64_sys_sendto+0x25/0x30 do_syscall_64+0x3d/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f9374f1ed14 Code: 42 41 f8 ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 68 41 f8 ff 48 8b RSP: 002b:00007f9324ff7bd0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f9324ff7cc8 RCX: 00007f9374f1ed14 RDX: 00000000000002fb RSI: 00007f93000052f0 RDI: 0000000000000030 RBP: 0000000000000000 R08: 00007f9324ff7d40 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 000000012a05f200 R14: 0000000000000001 R15: 00007f9374d57bdc </TASK>
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-debuginfo-common-aarch64Upgrade python-perfUpgrade perf-debuginfoUpgrade kernel-toolsUpgrade bpftoolUpgrade bpftool-debuginfoUpgrade perfUpgrade kernel-tools-debuginfoUpgrade kernelUpgrade kernel-livepatch-5.10.173-154.642Upgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headers | Jun 26, 2024 | May 21, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-perfUpgrade kernelUpgrade bpftoolUpgrade kernel-tools-libsUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Oct 9, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 21, 2024 |
| Suse | — | Upgrade kernel-default-vdsoUpgrade dlm-kmp-64kbUpgrade dtb-exynosUpgrade kernel-docs-htmlUpgrade ocfs2-kmp-64kbUpgrade kernel-obs-buildUpgrade kernel-zfcpdumpUpgrade kernel-default-develUpgrade kernel-azure-optionalUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-default-livepatchUpgrade dtb-freescaleUpgrade dtb-caviumUpgrade kernel-syms-azureUpgrade kernel-rtUpgrade kernel-azure-extraUpgrade ocfs2-kmp-azureUpgrade kselftests-kmp-azureUpgrade kernel-rt-optionalUpgrade kernel-64kb-optionalUpgrade dtb-broadcomUpgrade kernel-64kb-extraUpgrade kernel-kvmsmall-develUpgrade cluster-md-kmp-azureUpgrade kernel-source-vanillaUpgrade reiserfs-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade dtb-allwinnerUpgrade kernel-debugUpgrade kernel-source-rtUpgrade kernel-sourceUpgrade kernel-rt-livepatchUpgrade dtb-xilinxUpgrade kernel-rt-extraUpgrade kernel-develUpgrade kernel-default-optionalUpgrade kernel-default-base-rebuildUpgrade kernel-debug-vdsoUpgrade kernel-azureUpgrade dtb-qcomUpgrade dtb-alteraUpgrade reiserfs-kmp-defaultUpgrade ocfs2-kmp-defaultUpgrade kernel-rt_debug-develUpgrade dtb-amazonUpgrade dtb-lgUpgrade kernel-rt-vdsoUpgrade cluster-md-kmp-rtUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-64kb-develUpgrade kernel-64kbUpgrade gfs2-kmp-azureUpgrade dtb-sprdUpgrade kernel-source-azureUpgrade kernel-rt-develUpgrade kernel-devel-azureUpgrade gfs2-kmp-defaultUpgrade dtb-socionextUpgrade kernel-azure-develUpgrade dtb-appleUpgrade cluster-md-kmp-64kbUpgrade reiserfs-kmp-azureUpgrade kernel-docsUpgrade cluster-md-kmp-defaultUpgrade gfs2-kmp-rtUpgrade kernel-rt_debugUpgrade kernel-syms-rtUpgrade kselftests-kmp-defaultUpgrade dlm-kmp-defaultUpgrade kernel-debug-develUpgrade dtb-hisiliconUpgrade kernel-default-extraUpgrade dtb-mediatekUpgrade ocfs2-kmp-rtUpgrade kernel-default-livepatch-develUpgrade kernel-rt-livepatch-develUpgrade kernel-kvmsmall-vdsoUpgrade dtb-rockchipUpgrade reiserfs-kmp-rtUpgrade gfs2-kmp-64kbUpgrade kernel-64kb-livepatch-develUpgrade kernel-debug-livepatch-develUpgrade kernel-devel-rtUpgrade dtb-armUpgrade kernel-azure-vdsoUpgrade dtb-marvellUpgrade kselftests-kmp-rtUpgrade dtb-renesasUpgrade kernel-azure-livepatch-develUpgrade kernel-symsUpgrade dtb-apmUpgrade dtb-nvidiaUpgrade dtb-amlogicUpgrade kernel-default-baseUpgrade dlm-kmp-rtUpgrade kernel-defaultUpgrade kernel-macrosUpgrade kernel-kvmsmallUpgrade kernel-obs-qaUpgrade dtb-amdUpgrade kernel-rt_debug-vdsoUpgrade dlm-kmp-azure | Jun 13, 2024 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-kvmUpgrade linux-nvidiaUpgrade linux-oracle-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-azure-fipsUpgrade linux-aws-5.4Upgrade linux-lowlatencyUpgrade linux-gcp-5.4Upgrade linux-oracleUpgrade linux-hwe-5.4Upgrade linux-riscv-5.15Upgrade linux-aws-5.15Upgrade linux-gcpUpgrade linux-gkeopUpgrade linux-azure-5.15Upgrade linux-oracle-5.4Upgrade linux-intel-iotg-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-intel-iotgUpgrade linux-realtimeUpgrade linux-aws-fipsUpgrade linux-ibmUpgrade linux-raspiUpgrade linux-gcp-5.15Upgrade linux-azure-fdeUpgrade linux-gkeUpgrade linux-fipsUpgrade linux-azure-5.4Upgrade linux-azureUpgrade linux-ibm-5.4Upgrade linuxUpgrade linux-bluefieldUpgrade linux-gcp-fipsUpgrade linux-awsUpgrade linux-lowlatency-hwe-5.15Upgrade linux-hwe-5.15Upgrade linux-gkeop-5.15Upgrade linux-raspi-5.4Upgrade linux-iot | Nov 19, 2024 | May 21, 2024 |
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