CVE-2023-53306
published 2025-09-16CVE-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 combat…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.13%
2.8th percentile
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 fscache netfs nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables
[ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3.0-rc1-00001-g85e1481e19c1-dirty #117
[ 28.515902] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS Arch Linux 1.16.1-1-1 04/01/2014
[ 28.516307] RIP: 0010:dax_insert_entry+0x342/0x390
[ 28.516536] Code: 30 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 48 8b 45 20 48 83 c0 01 e9 e2 fe ff ff 48 8b 45 20 48 83 c0 01 e9 cd fe ff ff 0b e9 53 ff ff ff 48 8b 7c 24 08 31 f6 e8 1b 61 a1 00 eb 8c 48
[ 28.517417] RSP: 0000:ffffc9000845fb18 EFLAGS: 00010086
[ 28.517721] RAX: 0000000000000053 RBX: 0000000000000155 RCX: 000000000018824b
[ 28.518113] RDX: 0000000000000000 RSI: ffffffff827525a6 RDI: 00000000ffffffff
[ 28.518515] RBP: ffffea00062092c0 R08: 0000000000000000 R09: ffffc9000845f9c8
[ 28.518905] R10: 0000000000000003 R11: ffffffff82ddb7e8 R12: 0000000000000155
[ 28.519301] R13: 0000000000000000 R14: 000000000018824b R15: ffff88810cfa76b8
[ 28.519703] FS: 00007f14a0c94740(0000) GS:ffff88817bd00000(0000) knlGS:0000000000000000
[ 28.520148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.520472] CR2: 00007f14a0c8d000 CR3: 000000010321c004 CR4: 0000000000770ee0
[ 28.520863] PKRU: 55555554
[ 28.521043] Call Trace:
[ 28.521219]
[ 28.521368] dax_fault_iter+0x196/0x390
[ 28.521595] dax_iomap_pte_fault+0x19b/0x3d0
[ 28.521
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.3.7-1 (forky) | linux 6.3.7-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= f80e1668888f34c0764822e74953c997daf2ccdb < fac05f800abb63dc4d7cc48fe7edf16e0520dc1f | fac05f800abb63dc4d7cc48fe7edf16e0520dc1f |
| linux | linux | >= f80e1668888f34c0764822e74953c997daf2ccdb < f76b3a32879de215ced3f8c754c4077b0c2f79e3 | f76b3a32879de215ced3f8c754c4077b0c2f79e3 |
| linux | linux_kernel | — | — |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 0 < 6.3.7-1 | 6.3.7-1 |
| linux | linux_kernel | >= 6.2 < 6.2.11 | 6.2.11 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
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Red Hat
kernel: fsdax: force clear dirty mark if CoW
vendor_redhat·2025-09-16·CVSS 5.5
CVE-2023-53306 [MEDIUM] CWE-771 kernel: fsdax: force clear dirty mark if CoW
kernel: fsdax: force clear dirty mark if CoW
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 fscache netfs nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables
[ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3
Debian
CVE-2023-53306: linux - In the Linux kernel, the following vulnerability has been resolved: fsdax: forc...
vendor_debian·2023·CVSS 5.5
CVE-2023-53306 [MEDIUM] CVE-2023-53306: linux - In the Linux kernel, the following vulnerability has been resolved: fsdax: forc...
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 fscache netfs nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables [ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3.0-rc1-00001-g85e1481e19c1-dirty #117 [ 28.515
GHSA
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
ghsa_unreviewed·2025-09-16
CVE-2023-53306 [MEDIUM] 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
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 fscache netfs nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables
[ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3.0-rc1-00001-g85e1481e19c1-dirty #117
[ 28
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
osv·2025-09-16·CVSS 5.5
CVE-2023-53306 [MEDIUM] 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
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 fscache netfs nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables [ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3.0-rc1-00001-g85e1481e19c1-dirty #117 [ 28.515
No detection rules found.
No public exploits indexed.
2025-09-16
Published