CVE-2021-47345
RDMA/cma: Fix rdma_resolve_route() memory leak
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.18
References 9
git.kernel.org
- stable/c/40b613db3a95bc27998e4097d74c2f7e5d083a0b
- stable/c/e2da8ce2a9543f3ca5c93369bd1fe6eeb572101a
- stable/c/e4e062da082a199357ba4911145f331d40139ad8
- stable/c/4893c938f2a140a74be91779e45e4a7fa111198f
- stable/c/032c68b4f5be128a2167f35b558b7cec88fe4972
- stable/c/3d08b5917984f737f32d5bee9737b9075c3895c6
- stable/c/f4f553d67236145fa5fd203ed7b35b9377e19939
- stable/c/07583ba2e2d8947c3d365d97608cb436510885ac
- stable/c/74f160ead74bfe5f2b38afb4fcf86189f9ff40c9