CVE - CVE-2022-49321

CVE-ID
CVE-2022-49321	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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 ...
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/11270e7ca268e8d61b5d9e5c3a54bd1550642c9c URL:https://git.kernel.org/stable/c/11270e7ca268e8d61b5d9e5c3a54bd1550642c9c MISC:https://git.kernel.org/stable/c/8dbae5affbdbf524b48000f9d357925bb001e5f4 URL:https://git.kernel.org/stable/c/8dbae5affbdbf524b48000f9d357925bb001e5f4 MISC:https://git.kernel.org/stable/c/8e3943c50764dc7c5f25911970c3ff062ec1f18c URL:https://git.kernel.org/stable/c/8e3943c50764dc7c5f25911970c3ff062ec1f18c MISC:https://git.kernel.org/stable/c/90c4f73104016748533a5707ecd15930fbeff402 URL:https://git.kernel.org/stable/c/90c4f73104016748533a5707ecd15930fbeff402 MISC:https://git.kernel.org/stable/c/91784f3d77b73885e1b2e6b59d3cbf0de0a1126a URL:https://git.kernel.org/stable/c/91784f3d77b73885e1b2e6b59d3cbf0de0a1126a MISC:https://git.kernel.org/stable/c/998d35a2aff4b81a1c784f3aa45cd3afff6814c1 URL:https://git.kernel.org/stable/c/998d35a2aff4b81a1c784f3aa45cd3afff6814c1 MISC:https://git.kernel.org/stable/c/a3fc8051ee061e31db13e2fe011e8e0b71a7f815 URL:https://git.kernel.org/stable/c/a3fc8051ee061e31db13e2fe011e8e0b71a7f815 MISC:https://git.kernel.org/stable/c/da99331fa62131a38a0947a8204c5208de7b0454 URL:https://git.kernel.org/stable/c/da99331fa62131a38a0947a8204c5208de7b0454
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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