CVE-2021-4028
N/A
N/A
Summary
A flaw in the Linux kernel's implementation of RDMA communications manager listener code allowed an attacker with local access to setup a socket to listen on a high port allowing for a list element to be used after free. Given the ability to execute code, a local attacker could leverage this use-after-free to crash the system or possibly escalate privileges on the system.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | kernel | Fixed in kernel 5.15-rc1 | affected |
Weaknesses
- CWE-416: CWE-416 - Use After Free
ADP Enrichment
CVE Program Container
Additional References
- https://lkml.org/lkml/2021/10/4/697
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0bdc5afaa74
- https://bugzilla.redhat.com/show_bug.cgi?id=2027201
- https://access.redhat.com/security/cve/CVE-2021-4028
- https://bugzilla.suse.com/show_bug.cgi?id=1193167#c0
- https://security.netapp.com/advisory/ntap-20221228-0002/
References
- https://lkml.org/lkml/2021/10/4/697
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bc0bdc5afaa74
- https://bugzilla.redhat.com/show_bug.cgi?id=2027201
- https://access.redhat.com/security/cve/CVE-2021-4028
- https://bugzilla.suse.com/show_bug.cgi?id=1193167#c0
- https://security.netapp.com/advisory/ntap-20221228-0002/
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