In the Linux kernel, the following vulnerability has been resolved:
RDMA/irdma: Prevent some integer underflows
My static checker complains that:
drivers/infiniband/hw/irdma/ctrl.c:3605 irdma_sc_ceq_init() warn: can subtract underflow 'info->dev->hmc_fpm_misc.max_ceqs'?
It appears that "info->dev->hmc_fpm_misc.max_ceqs" comes from the firmware in irdma_sc_parse_fpm_query_buf() so, yes, there is a chance that it could be zero. Even if we trust the firmware, it's easy enough to change the condition just as a hardenning measure.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Feb 27, 2025 | Feb 27, 2025 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 26, 2025 |
| Ubuntu | — | Upgrade linux-lowlatencyUpgrade linux-realtimeUpgrade linux-gkeUpgrade linux-intel-iotg-5.15Upgrade linux-kvmUpgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-raspiUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-oracleUpgrade linux-azure-5.15Upgrade linux-awsUpgrade linux-intel-iotgUpgrade linux-ibmUpgrade linux | Mar 19, 2025 | Feb 26, 2025 |
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