CVE-2026-93154
RDMA/irdma: Add refcounting to user ring MRs
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- Fix
- Fixed in 6.18.52, 7.2.6
- 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
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Add refcounting to user ring MRs Prevent userspace from deregistering the MRs that back QP/CQ/SRQ rings by bumping the MR's refcount upon association.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From b48c24c2d710cf34810c555dcef883a3d35a9c08 · fixed in 07974c267f603a76aead348bca97deee95efdcc9; From b48c24c2d710cf34810c555dcef883a3d35a9c08 · fixed in a6c0e693a7c881bfa43ac74cbcad1f8e10f1382b; From b48c24c2d710cf34810c555dcef883a3d35a9c08 · fixed in f67d8a08f60c9217df6d40da56422d2049f5e334
- Linux Linux
5.14
- KernelLinux
From 5.14.0 · fixed in 6.18.52; From 6.19.0 · fixed in 7.2.6