CVE-2025-38724Critical· 9.8▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the return value from g…
▾ 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.
Exploit-prediction probability, daily snapshots since Oct 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.4%
In the Linux kernel, the following vulnerability has been resolved:
nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()
Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the return value from get_client_locked(). a SETCLIENTID_CONFIRM could race with a confirmed client expiring and fail to get a reference. That could later lead to a UAF.
Fix this by getting a reference early in the case where there is an extant confirmed client. If that fails then treat it as if there were no confirmed client found at all.
In the case where the unconfirmed client is expiring, just fail and return the result from get_client_locked().
Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < 3f252a73e81aa01660cb426735eab932e6182e8dLinux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < d35ac850410966010e92f401f4e21868a9ea4d8bLinux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < f3aac6cf390d8b80e1d82975faf4ac61175519c0Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < 22f45cedf281e6171817c8a3432c44d788c550e1Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < d71abd1ae4e0413707cd42b10c24a11d1aa71772Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < 74ad36ed60df561a303a19ecef400c7096b20306Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < 36e83eda90e0e4ac52f259f775b40b2841f8a0a3Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < 571a5e46c71490285d2d8c06f6b5a7cbf6c7edd1Linux >= d20c11d86d8f821a64eac7d6c8f296f06d935f4f < 908e4ead7f757504d8b345452730636e298cbf68Linux 3.17Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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