RDMA/cma: Fix rdma_resolve_route() memory leak (Linux Linux)

CVE-2021-47345
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.26 % · percentile 18 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdma_resolve_route() memory leak Fix a memory leak when "mda_resolve_route() is called more than once on the same "rdma_cm_id". This is possible if cma_query_handler() triggers the RDMA_CM_EVENT_ROUTE_ERROR flow which puts the state machine back and allows rdma_resolve_route() to be called again.

Weaknesses (CWE)

  • CWE-401 — Missing Release of Memory after Effective Lifetime

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected e51060f08a61965c4dd91516d82fe90617152590 < 40b613db3a95bc27998e4097d74c2f7e5d083a0b ; affected e51060f08a61965c4dd91516d82fe90617152590 < e2da8ce2a9543f3ca5c93369bd1fe6eeb572101a ; affected e51060f08a61965c4dd91516d82fe90617152590 < e4e062da082a199357ba4911145f331d40139ad8 ; affected e51060f08a61965c4dd91516d82fe90617152590 < 4893c938f2a140a74be91779e45e4a7fa111198f ; affected e51060f08a61965c4dd91516d82fe90617152590 < 032c68b4f5be128a2167f35b558b7cec88fe4972 ; affected e51060f08a61965c4dd91516d82fe90617152590 < 3d08b5917984f737f32d5bee9737b9075c3895c6
Linux · Linuxaffected 2.6.18 ; unaffected 0 < 2.6.18 ; unaffected 4.4.276 ≤ 4.4.* ; unaffected 4.9.276 ≤ 4.9.* ; unaffected 4.14.240 ≤ 4.14.* ; unaffected 4.19.198 ≤ 4.19.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD