CVE-2021-47076

In the Linux kernel, the following vulnerability has been resolved:

RDMA/rxe: Return CQE error if invalid lkey was supplied

RXE is missing update of WQE status in LOCAL_WRITE failures.  This caused
the following kernel panic if someone sent an atomic operation with an
explicitly wrong lkey.

[leonro@vm ~]$ mkt test
test_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ...
 WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe]
 Modules linked in: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core
 CPU: 5 PID: 263 Comm: python3 Not tainted 5.13.0-rc1+ #2936
 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014
 RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe]
 Code: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 00 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff <0f> 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 00 00 e9 ab e7 ff
 RSP: 0018:ffff8880158af090 EFLAGS: 00010246
 RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652
 RDX: 1ffff9200004b442 RSI: 0000000000000004 RDI: ffffc9000025a210
 RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b
 R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff88800f3b63e8
 R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c
 FS:  00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0
 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
 Call Trace:
  rxe_do_task+0x130/0x230 [rdma_rxe]
  rxe_rcv+0xb11/0x1df0 [rdma_rxe]
  rxe_loopback+0x157/0x1e0 [rdma_rxe]
  rxe_responder+0x5532/0x7620 [rdma_rxe]
  rxe_do_task+0x130/0x230 [rdma_rxe]
  rxe_rcv+0x9c8/0x1df0 [rdma_rxe]
  rxe_loopback+0x157/0x1e0 [rdma_rxe]
  rxe_requester+0x1efd/0x58c0 [rdma_rxe]
  rxe_do_task+0x130/0x230 [rdma_rxe]
  rxe_post_send+0x998/0x1860 [rdma_rxe]
  ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs]
  ib_uverbs_write+0x847/0xc80 [ib_uverbs]
  vfs_write+0x1c5/0x840
  ksys_write+0x176/0x1d0
  do_syscall_64+0x3f/0x80
  entry_SYSCALL_64_after_hwframe+0x44/0xae
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
LinuxCNA
---
---
CISA-ADPADP
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
VendorProductVersion
linuxlinux_kernel
4.8 ≤
𝑥
< 5.12.7
linuxlinux_kernel
5.13:rc1
linuxlinux_kernel
5.13:rc2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
vulnerable
bullseye (security)
vulnerable
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
needed
bionic
ignored
xenial
not-affected
trusty
not-affected
linux-allwinner-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-aws
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
needed
bionic
ignored
xenial
not-affected
trusty
not-affected
linux-aws-5.0
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-aws-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-aws-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-aws-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-aws-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-aws-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-aws-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-aws-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-aws-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-aws-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-aws-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-aws-hwe
noble
dne
mantic
dne
jammy
dne
focal
dne
xenial
ignored
linux-azure
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
needed
bionic
ignored
xenial
ignored
trusty
ignored
linux-azure-4.15
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-azure-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-azure-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-azure-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-azure-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-azure-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-azure-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-azure-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-azure-edge
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-azure-fde
noble
dne
mantic
dne
jammy
not-affected
focal
ignored
linux-azure-fde-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-azure-fde-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-fde-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-azure-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-bluefield
noble
dne
mantic
dne
jammy
dne
focal
needed
linux-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
linux-gcp
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
needed
bionic
ignored
xenial
ignored
linux-gcp-4.15
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gcp-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gcp-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gcp-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-gcp-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-gcp-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gcp-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gcp-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gcp-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-gcp-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-gcp-fips
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gke
noble
not-affected
mantic
dne
jammy
not-affected
focal
ignored
linux-gke-4.15
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gke-5.15
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-gke-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-gkeop
noble
dne
mantic
dne
jammy
not-affected
focal
needed
linux-gkeop-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-gkeop-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-hwe
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
linux-hwe-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-hwe-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-hwe-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-hwe-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-hwe-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-hwe-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-hwe-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-hwe-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-hwe-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
linux-ibm
noble
not-affected
mantic
ignored
jammy
not-affected
focal
needed
linux-ibm-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-ibm-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-intel
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-intel-iot-realtime
noble
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-intel-iotg-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-iot
noble
dne
mantic
dne
jammy
dne
focal
needed
linux-kvm
noble
dne
mantic
dne
jammy
not-affected
focal
needed
bionic
ignored
xenial
not-affected
linux-laptop
noble
dne
mantic
not-affected
jammy
dne
focal
dne
linux-lowlatency
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
dne
linux-lowlatency-hwe-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-lowlatency-hwe-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-lowlatency-hwe-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-lowlatency-hwe-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-lowlatency-hwe-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
noble
dne
mantic
dne
jammy
dne
focal
dne
trusty
not-affected
linux-nvidia
noble
not-affected
mantic
dne
jammy
not-affected
focal
dne
linux-nvidia-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-nvidia-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-nvidia-lowlatency
noble
not-affected
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oem-5.10
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-5.14
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-5.17
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-oem-5.6
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oem-6.0
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-oem-6.1
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-oem-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-oem-6.8
noble
not-affected
mantic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oracle
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
needed
bionic
ignored
xenial
ignored
linux-oracle-5.0
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oracle-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oracle-5.13
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oracle-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-oracle-5.3
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oracle-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-oracle-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-oracle-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-raspi
noble
not-affected
mantic
not-affected
jammy
not-affected
focal
needed
linux-raspi-5.4
noble
dne
mantic
dne
jammy
dne
focal
dne
bionic
ignored
linux-raspi-realtime
noble
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi2
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-realtime
noble
dne
jammy
ignored
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-riscv
noble
not-affected
mantic
not-affected
jammy
ignored
focal
ignored
linux-riscv-5.11
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-riscv-5.15
noble
dne
mantic
dne
jammy
dne
focal
not-affected
linux-riscv-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-riscv-5.8
noble
dne
mantic
dne
jammy
dne
focal
ignored
linux-riscv-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-riscv-6.8
noble
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-starfive
noble
dne
mantic
not-affected
jammy
dne
focal
dne
linux-starfive-5.19
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-starfive-6.2
noble
dne
mantic
dne
jammy
ignored
focal
dne
linux-starfive-6.5
noble
dne
mantic
dne
jammy
not-affected
focal
dne
linux-xilinx-zynqmp
noble
dne
mantic
dne
jammy
not-affected
focal
needed