CVE - CVE-2022-49720

CVE-ID
CVE-2022-49720	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: block: Fix handling of offline queues in blk_mq_alloc_request_hctx() This patch prevents that test nvme/004 triggers the following: UBSAN: array-index-out-of-bounds in block/blk-mq.h:135:9 index 512 is out of range for type 'long unsigned int [512]' Call Trace: show_stack+0x52/0x58 dump_stack_lvl+0x49/0x5e dump_stack+0x10/0x12 ubsan_epilogue+0x9/0x3b __ubsan_handle_out_of_bounds.cold+0x44/0x49 blk_mq_alloc_request_hctx+0x304/0x310 __nvme_submit_sync_cmd+0x70/0x200 [nvme_core] nvmf_connect_io_queue+0x23e/0x2a0 [nvme_fabrics] nvme_loop_connect_io_queues+0x8d/0xb0 [nvme_loop] nvme_loop_create_ctrl+0x58e/0x7d0 [nvme_loop] nvmf_create_ctrl+0x1d7/0x4d0 [nvme_fabrics] nvmf_dev_write+0xae/0x111 [nvme_fabrics] vfs_write+0x144/0x560 ksys_write+0xb7/0x140 __x64_sys_write+0x42/0x50 do_syscall_64+0x35/0x80 entry_SYSCALL_64_after_hwframe+0x44/0xae
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/14dc7a18abbe4176f5626c13c333670da8e06aa1 URL:https://git.kernel.org/stable/c/14dc7a18abbe4176f5626c13c333670da8e06aa1 MISC:https://git.kernel.org/stable/c/7fa28a7c3d74933a4fc22d341b60927952f31c19 URL:https://git.kernel.org/stable/c/7fa28a7c3d74933a4fc22d341b60927952f31c19 MISC:https://git.kernel.org/stable/c/b202a0bd2580ee5b0453772c46d464152fafff73 URL:https://git.kernel.org/stable/c/b202a0bd2580ee5b0453772c46d464152fafff73 MISC:https://git.kernel.org/stable/c/b5e65ef044d627effdc2599040b6d204e003f955 URL:https://git.kernel.org/stable/c/b5e65ef044d627effdc2599040b6d204e003f955
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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