CVE-2023-53360 Affecting kernel-debug-devel-matched package, versions *


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

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  • Snyk IDSNYK-CENTOS9-KERNELDEBUGDEVELMATCHED-12882110
  • published18 Sept 2025
  • disclosed17 Sept 2025

Introduced: 17 Sep 2025

NewCVE-2023-53360  (opens in a new tab)

How to fix?

There is no fixed version for Centos:9 kernel-debug-devel-matched.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel-matched package and not the kernel-debug-devel-matched package as distributed by Centos. See How to fix? for Centos:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

NFSv4.2: Rework scratch handling for READ_PLUS (again)

I found that the read code might send multiple requests using the same nfs_pgio_header, but nfs4_proc_read_setup() is only called once. This is how we ended up occasionally double-freeing the scratch buffer, but also means we set a NULL pointer but non-zero length to the xdr scratch buffer. This results in an oops the first time decoding needs to copy something to scratch, which frequently happens when decoding READ_PLUS hole segments.

I fix this by moving scratch handling into the pageio read code. I provide a function to allocate scratch space for decoding read replies, and free the scratch buffer when the nfs_pgio_header is freed.

CVSS Base Scores

version 3.1