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 bpftoolUpgrade perfUpgrade python-perfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernelUpgrade python-perf-debuginfoUpgrade kernel-headersUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-tools-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-livepatch-5.10.173-154.642 | Jun 26, 2024 | May 21, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade kernelUpgrade python3-perfUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade kernel-abi-stablelists | Oct 9, 2024 | May 21, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 21, 2024 |
| Suse | — | Upgrade dtb-socionextUpgrade kernel-docsUpgrade kernel-debug-develUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-rtUpgrade kernel-azure-livepatch-develUpgrade dtb-renesasUpgrade kernel-kvmsmallUpgrade kernel-symsUpgrade kernel-devel-rtUpgrade kernel-azure-vdsoUpgrade dtb-marvellUpgrade dtb-armUpgrade cluster-md-kmp-defaultUpgrade dlm-kmp-rtUpgrade kselftests-kmp-rtUpgrade kernel-default-baseUpgrade kernel-macrosUpgrade dtb-nvidiaUpgrade kernel-64kb-livepatch-develUpgrade dtb-apmUpgrade dtb-amlogicUpgrade dtb-amdUpgrade dtb-rockchipUpgrade kernel-defaultUpgrade ocfs2-kmp-rtUpgrade kernel-default-extraUpgrade dtb-mediatekUpgrade kernel-default-livepatch-develUpgrade gfs2-kmp-64kbUpgrade kernel-rt_debugUpgrade kernel-azure-develUpgrade reiserfs-kmp-azureUpgrade dtb-appleUpgrade kselftests-kmp-defaultUpgrade kernel-syms-rtUpgrade dlm-kmp-azureUpgrade kernel-debug-livepatch-develUpgrade kernel-obs-qaUpgrade kernel-kvmsmall-vdsoUpgrade kernel-rt_debug-vdsoUpgrade kernel-rt-livepatch-develUpgrade reiserfs-kmp-rtUpgrade cluster-md-kmp-64kbUpgrade dtb-hisiliconUpgrade kernel-rt-extraUpgrade kernel-azure-optionalUpgrade kernel-debugUpgrade kernel-rt-vdsoUpgrade dtb-broadcomUpgrade kernel-rt-livepatchUpgrade kernel-azureUpgrade kernel-rt_debug-develUpgrade ocfs2-kmp-defaultUpgrade dtb-lgUpgrade kernel-zfcpdumpUpgrade kernel-obs-buildUpgrade kernel-64kbUpgrade kernel-64kb-develUpgrade kernel-rt-develUpgrade kernel-kvmsmall-livepatch-develUpgrade gfs2-kmp-azureUpgrade gfs2-kmp-defaultUpgrade kernel-devel-azureUpgrade ocfs2-kmp-64kbUpgrade dtb-xilinxUpgrade kernel-develUpgrade dtb-alteraUpgrade kernel-source-azureUpgrade dtb-sprdUpgrade kernel-docs-htmlUpgrade kernel-source-rtUpgrade dtb-qcomUpgrade kernel-sourceUpgrade kernel-debug-vdsoUpgrade cluster-md-kmp-rtUpgrade kernel-rt-optionalUpgrade kernel-64kb-extraUpgrade kernel-default-base-rebuildUpgrade kernel-kvmsmall-develUpgrade cluster-md-kmp-azureUpgrade dtb-allwinnerUpgrade kernel-64kb-optionalUpgrade kernel-rtUpgrade kselftests-kmp-azureUpgrade kernel-source-vanillaUpgrade kernel-default-optionalUpgrade kernel-azure-extraUpgrade dtb-exynosUpgrade dlm-kmp-64kbUpgrade kselftests-kmp-64kbUpgrade dtb-caviumUpgrade dtb-freescaleUpgrade ocfs2-kmp-azureUpgrade reiserfs-kmp-64kbUpgrade kernel-default-develUpgrade kernel-default-livepatchUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-syms-azureUpgrade kernel-default-vdsoUpgrade reiserfs-kmp-defaultUpgrade dtb-amazon | Jun 13, 2024 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-gcp-5.15Upgrade linux-nvidiaUpgrade linux-azure-fdeUpgrade linux-aws-5.15Upgrade linux-realtimeUpgrade linux-ibmUpgrade linux-gcp-5.4Upgrade linux-intel-iotgUpgrade linux-oracleUpgrade linux-raspiUpgrade linux-lowlatencyUpgrade linux-gkeopUpgrade linux-riscv-5.15Upgrade linux-gkeUpgrade linux-aws-fipsUpgrade linux-hwe-5.4Upgrade linux-oracle-5.4Upgrade linux-xilinx-zynqmpUpgrade linux-intel-iotg-5.15Upgrade linux-oracle-5.15Upgrade linux-azure-5.15Upgrade linux-azure-fipsUpgrade linux-gcpUpgrade linux-fipsUpgrade linux-intel-iot-realtimeUpgrade linux-aws-5.4Upgrade linux-kvmUpgrade linux-azureUpgrade linux-gcp-fipsUpgrade linux-lowlatency-hwe-5.15Upgrade linuxUpgrade linux-iotUpgrade linux-azure-5.4Upgrade linux-ibm-5.4Upgrade linux-raspi-5.4Upgrade linux-gkeop-5.15Upgrade linux-awsUpgrade linux-hwe-5.15Upgrade linux-bluefield | Nov 19, 2024 | May 21, 2024 |
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