https://github.com/torvalds/linux
Revision e7067a446264a7514fa1cfaa4052cdb6803bc6a2 authored by David Disseldorp on 13 April 2023, 14:49:57 UTC, committed by Steve French on 13 April 2023, 19:17:32 UTC
Confirm that the accessed pneg_ctxt->HashAlgorithms address sits within the SMB request boundary; deassemble_neg_contexts() only checks that the eight byte smb2_neg_context header + (client controlled) DataLength are within the packet boundary, which is insufficient. Checking for sizeof(struct smb2_preauth_neg_context) is overkill given that the type currently assumes SMB311_SALT_SIZE bytes of trailing Salt. Signed-off-by: David Disseldorp <ddiss@suse.de> Acked-by: Namjae Jeon <linkinjeon@kernel.org> Cc: <stable@vger.kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com>
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History 
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Tip revision: e7067a446264a7514fa1cfaa4052cdb6803bc6a2 authored by David Disseldorp on 13 April 2023, 14:49:57 UTC
ksmbd: avoid out of bounds access in decode_preauth_ctxt()
ksmbd: avoid out of bounds access in decode_preauth_ctxt()
Tip revision: e7067a4
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 20.0 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 151 bytes |
| .gitattributes | -rw-r--r-- | 90 bytes |
| .gitignore | -rw-r--r-- | 2.1 KB |
| .mailmap | -rw-r--r-- | 26.9 KB |
| .rustfmt.toml | -rw-r--r-- | 369 bytes |
| COPYING | -rw-r--r-- | 496 bytes |
| CREDITS | -rw-r--r-- | 99.7 KB |
| Kbuild | -rw-r--r-- | 2.5 KB |
| Kconfig | -rw-r--r-- | 555 bytes |
| MAINTAINERS | -rw-r--r-- | 684.8 KB |
| Makefile | -rw-r--r-- | 70.0 KB |
| README | -rw-r--r-- | 727 bytes |
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