CVE-2024-47737

nfsd: call cache_put if xdr_reserve_space returns NULL

Description

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 <jlayton@kernel.org>

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/3e8081ebff12bec1347deaceb6bce0765cce54df
https://git.kernel.org/stable/c/c6b16e700cf4d959af524bd9d3978407ff7ce462
https://git.kernel.org/stable/c/9f03f0016ff797932551881c7e06ae50e9c39134 patch
https://git.kernel.org/stable/c/9803ab882d565a8fb2dde5999d98866d1c499dfd patch
https://git.kernel.org/stable/c/81821617312988096f5deccf0f7da6f888e98056 patch
https://git.kernel.org/stable/c/a1afbbb5276f943ad7173d0b4c626b8c75a260da patch
https://git.kernel.org/stable/c/e32ee6a61041925d1a05c14d10352dcfce9ef029 patch
https://git.kernel.org/stable/c/8d0765f86135e27f0bb5c950c136495719b4c834 patch
https://git.kernel.org/stable/c/d078cbf5c38de83bc31f83c47dcd2184c04a50c7 patch

Frequently Asked Questions

What is the severity of CVE-2024-47737?
CVE-2024-47737 has been scored as a medium severity vulnerability.
How to fix CVE-2024-47737?
To fix CVE-2024-47737, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-47737 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-47737 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-47737?
CVE-2024-47737 affects Linux Linux, Linux Linux.
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