Vulnerabilities > CVE-2024-47737 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: nfsd: call cache_put if xdr_reserve_space returns NULL If not enough buffer space available, but idmap_lookup has triggered lookup_fn which calls cache_get and returns successfully. Then we missed to call cache_put here which pairs with cache_get. Reviwed-by: Jeff Layton <[email protected]>
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134
- https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd
- https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056
- https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da
- https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029
- https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834
- https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7