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CVE-2022-49208

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CVE-2022-49208

Published: Feb 26, 2025

Modified: May 11, 2026

PUBLISHED

Description

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.

VendorProductVersions

Linux

Linux

affected
3f49d684256963d3f27dfb9d9ff228e2255be78d - < d52dab6e03550f9c97121b0c11c0a3ed78ee76a4
affected
3f49d684256963d3f27dfb9d9ff228e2255be78d - < f21056f15bbeacab7b4b87af232f5599d1f2bff1
affected
3f49d684256963d3f27dfb9d9ff228e2255be78d - < 7340c3675d7ac946f4019b84cd7c64ed542dfe4c
affected
3f49d684256963d3f27dfb9d9ff228e2255be78d - < 6f6dbb819dfc1a35bcb8b709b5c83a3ea8beff75

Linux

Linux

affected
5.14
unaffected
0 - < 5.14
unaffected
5.15.33 - <= 5.15.*
unaffected
5.16.19 - <= 5.16.*
unaffected
5.17.2 - <= 5.17.*

+1 more versions

References

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