CVE-2023-53306 — Missing Reference to Active Allocated Resource in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 16
Description
In the Linux kernel, the following vulnerability has been resolved:
fsdax: force clear dirty mark if CoW
XFS allows CoW on non-shared extents to combat fragmentation[1]. The old
non-shared extent could be mwrited before, its dax entry is marked dirty.
This results in a WARNing:
[ 28.512349] ------------[ cut here ]------------
[ 28.512622] WARNING: CPU: 2 PID: 5255 at fs/dax.c:390 dax_insert_entry+0x342/0x390
[ 28.513050] Modules linked in: rpcsec_gss_krb5 auth_rpcgss nfsv4 nfs lockd grace f…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
▶CVEListV5linux/linuxf80e1668888f34c0764822e74953c997daf2ccdb — fac05f800abb63dc4d7cc48fe7edf16e0520dc1f+2
Patches
🔴Vulnerability Details
2GHSA▶
GHSA-9247-9gc6-2w2p: In the Linux kernel, the following vulnerability has been resolved:
fsdax: force clear dirty mark if CoW
XFS allows CoW on non-shared extents to com↗2025-09-16
OSV▶
CVE-2023-53306: In the Linux kernel, the following vulnerability has been resolved: fsdax: force clear dirty mark if CoW XFS allows CoW on non-shared extents to comba↗2025-09-16