CVE-2024-49568
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg
When receiving proposal msg in server, the fields v2_ext_offset/ eid_cnt/ism_gid_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field v2_ext_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen.
This patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt before using them.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 8c3dca341aea885249e08856c4380300b75d2cf5 < 295a92e3df32e72aff0f4bc25c310e349d07ffbf | affected |
| Linux | Linux | 8c3dca341aea885249e08856c4380300b75d2cf5 < 42f6beb2d5779429417b5f8115a4e3fa695d2a6c | affected |
| Linux | Linux | 8c3dca341aea885249e08856c4380300b75d2cf5 < 7863c9f3d24ba49dbead7e03dfbe40deb5888fdf | affected |
| Linux | Linux | 5.10 | affected |
| Linux | Linux | 0 < 5.10 | unaffected |
| Linux | Linux | 6.6.68 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.7 <= 6.12.* | unaffected |
| Linux | Linux | 6.13 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/295a92e3df32e72aff0f4bc25c310e349d07ffbf
- https://git.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6c
- https://git.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdf
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