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