CVE-2022-49208 (GCVE-0-2022-49208)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:55 – Updated: 2025-10-01 19:47
VLAI?
Title
RDMA/irdma: Prevent some integer underflows
Summary
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.
Severity ?
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 3f49d684256963d3f27dfb9d9ff228e2255be78d , < d52dab6e03550f9c97121b0c11c0a3ed78ee76a4 (git)
Affected: 3f49d684256963d3f27dfb9d9ff228e2255be78d , < f21056f15bbeacab7b4b87af232f5599d1f2bff1 (git)
Affected: 3f49d684256963d3f27dfb9d9ff228e2255be78d , < 7340c3675d7ac946f4019b84cd7c64ed542dfe4c (git)
Affected: 3f49d684256963d3f27dfb9d9ff228e2255be78d , < 6f6dbb819dfc1a35bcb8b709b5c83a3ea8beff75 (git)
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    Linux Linux Affected: 5.14
Unaffected: 0 , < 5.14 (semver)
Unaffected: 5.15.33 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.