CVE-2022-49103: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify() [You don't often get email from xiongx18@fudan.edu.cn. Learn why this is important at http://aka.ms/LearnAboutSenderIdentification.] The reference counting issue happens in two error paths in the function _nfs42_proc_copy_notify(). In both error paths, the function simply returns the error code and forgets to balance the refcount of object `ctx`, bumped by get_nfs_open_context() earlier, which may cause refcount leaks. Fix it by balancing refcount of the `ctx` object before the function returns in both error paths.

Affected products

• Linux Linux Kernel: before 5.10.111 (fixed in 5.10.111); from 5.11, before 5.15.34 (fixed in 5.15.34); from 5.16, before 5.16.20 (fixed in 5.16.20); from 5.17, before 5.17.3 (fixed in 5.17.3)

Published 2025-02-26. Last modified 2026-06-17.