CVE-2022-50666Critical· 9.8▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix QP destroy to wait for all references dropped. Delay QP destroy completion until all siw references to QP are dropped. The calling RDMA core will free QP…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.7%
In the Linux kernel, the following vulnerability has been resolved:
RDMA/siw: Fix QP destroy to wait for all references dropped.
Delay QP destroy completion until all siw references to QP are dropped. The calling RDMA core will free QP structure after successful return from siw_qp_destroy() call, so siw must not hold any remaining reference to the QP upon return. A use-after-free was encountered in xfstest generic/460, while testing NFSoRDMA. Here, after a TCP connection drop by peer, the triggered siw_cm_work_handler got delayed until after QP destroy call, referencing a QP which has already freed.
Linux >= 303ae1cdfdf7280ff4cfbbe65563b5ff15bb025b < 5c75d608fad58301b63e7d69200c13c3a1d411daLinux >= 303ae1cdfdf7280ff4cfbbe65563b5ff15bb025b < 74ad141e995a730760b1bcfa14854b7f1057d6bcLinux >= 303ae1cdfdf7280ff4cfbbe65563b5ff15bb025b < 0ed8bf9d0bb19f3f5eedd73f04aaf5bba9ac0737Linux >= 303ae1cdfdf7280ff4cfbbe65563b5ff15bb025b < a3c278807a459e6f50afee6971cabe74cccfb490Linux 5.3Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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