cbcvebase.
CVE-2022-49321
published 2025-02-26

CVE-2022-49321: In the Linux kernel, the following vulnerability has been resolved: xprtrdma: treat all calls not a bcall when bc_serv is NULL When a rdma server returns a…

PriorityP422medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.76%
51.8th percentile
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: treat all calls not a bcall when bc_serv is NULL When a rdma server returns a fault format reply, nfs v3 client may treats it as a bcall when bc service is not exist. The debug message at rpcrdma_bc_receive_call are, [56579.837169] RPC: rpcrdma_bc_receive_call: callback XID 00000001, length=20 [56579.837174] RPC: rpcrdma_bc_receive_call: 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 After that, rpcrdma_bc_receive_call will meets NULL pointer as, [ 226.057890] BUG: unable to handle kernel NULL pointer dereference at 00000000000000c8 ... [ 226.058704] RIP: 0010:_raw_spin_lock+0xc/0x20 ... [ 226.059732] Call Trace: [ 226.059878] rpcrdma_bc_receive_call+0x138/0x327 [rpcrdma] [ 226.060011] __ib_process_cq+0x89/0x170 [ib_core] [ 226.060092] ib_cq_poll_work+0x26/0x80 [ib_core] [ 226.060257] process_one_work+0x1a7/0x360 [ 226.060367] ? create_worker+0x1a0/0x1a0 [ 226.060440] worker_thread+0x30/0x390 [ 226.060500] ? create_worker+0x1a0/0x1a0 [ 226.060574] kthread+0x116/0x130 [ 226.060661] ? kthread_flush_work_fn+0x10/0x10 [ 226.060724] ret_from_fork+0x35/0x40 ...

Affected

21 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 5.18.5-1 (bookworm)linux 5.18.5-1 (bookworm)
linuxlinux——
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < 8e3943c50764dc7c5f25911970c3ff062ec1f18c8e3943c50764dc7c5f25911970c3ff062ec1f18c
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < 998d35a2aff4b81a1c784f3aa45cd3afff6814c1998d35a2aff4b81a1c784f3aa45cd3afff6814c1
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < da99331fa62131a38a0947a8204c5208de7b0454da99331fa62131a38a0947a8204c5208de7b0454
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < 8dbae5affbdbf524b48000f9d357925bb001e5f48dbae5affbdbf524b48000f9d357925bb001e5f4
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < a3fc8051ee061e31db13e2fe011e8e0b71a7f815a3fc8051ee061e31db13e2fe011e8e0b71a7f815
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < 90c4f73104016748533a5707ecd15930fbeff40290c4f73104016748533a5707ecd15930fbeff402
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < 91784f3d77b73885e1b2e6b59d3cbf0de0a1126a91784f3d77b73885e1b2e6b59d3cbf0de0a1126a
linuxlinux>= 63cae47005af51c937f4cdcc4835f29075add2ba < 11270e7ca268e8d61b5d9e5c3a54bd1550642c9c11270e7ca268e8d61b5d9e5c3a54bd1550642c9c
linuxlinux_kernel< 4.14.2834.14.283
linuxlinux_kernel>= 0 < 5.10.127-15.10.127-1
linuxlinux_kernel>= 0 < 5.18.5-15.18.5-1
linuxlinux_kernel>= 0 < 5.18.5-15.18.5-1
linuxlinux_kernel>= 0 < 5.18.5-15.18.5-1
linuxlinux_kernel>= 4.15 < 4.19.2474.19.247
linuxlinux_kernel>= 4.20 < 5.4.1985.4.198
linuxlinux_kernel>= 5.11 < 5.15.475.15.47
linuxlinux_kernel>= 5.16 < 5.17.155.17.15
linuxlinux_kernel>= 5.18 < 5.18.45.18.4
linuxlinux_kernel>= 5.5 < 5.10.1225.10.122

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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