CVE-2023-53306 (GCVE-0-2023-53306)
Vulnerability from cvelistv5
Published
2025-09-16 16:11
Modified
2025-09-16 16:11
Severity ?
VLAI Severity ?
EPSS score ?
Summary
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 <0f> 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] <TASK>
[ 28.521368] dax_fault_iter+0x196/0x390
[ 28.521595] dax_iomap_pte_fault+0x19b/0x3d0
[ 28.521852] __xfs_filemap_fault+0x234/0x2b0
[ 28.522116] __do_fault+0x30/0x130
[ 28.522334] do_fault+0x193/0x340
[ 28.522586] __handle_mm_fault+0x2d3/0x690
[ 28.522975] handle_mm_fault+0xe6/0x2c0
[ 28.523259] do_user_addr_fault+0x1bc/0x6f0
[ 28.523521] exc_page_fault+0x60/0x140
[ 28.523763] asm_exc_page_fault+0x22/0x30
[ 28.524001] RIP: 0033:0x7f14a0b589ca
[ 28.524225] Code: c5 fe 7f 07 c5 fe 7f 47 20 c5 fe 7f 47 40 c5 fe 7f 47 60 c5 f8 77 c3 66 0f 1f 84 00 00 00 00 00 40 0f b6 c6 48 89 d1 48 89 fa <f3> aa 48 89 d0 c5 f8 77 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90
[ 28.525198] RSP: 002b:00007fff1dea1c98 EFLAGS: 00010202
[ 28.525505] RAX: 000000000000001e RBX: 000000000014a000 RCX: 0000000000006046
[ 28.525895] RDX: 00007f14a0c82000 RSI: 000000000000001e RDI: 00007f14a0c8d000
[ 28.526290] RBP: 000000000000006f R08: 0000000000000004 R09: 000000000014a000
[ 28.526681] R10: 0000000000000008 R11: 0000000000000246 R12: 028f5c28f5c28f5c
[ 28.527067] R13: 8f5c28f5c28f5c29 R14: 0000000000011046 R15: 00007f14a0c946c0
[ 28.527449] </TASK>
[ 28.527600] ---[ end trace 0000000000000000 ]---
To be able to delete this entry, clear its dirty mark before
invalidate_inode_pages2_range().
[1] https://lore.kernel.org/linux-xfs/20230321151339.GA11376@frogsfrogsfrogs/
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/dax.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "fac05f800abb63dc4d7cc48fe7edf16e0520dc1f",
"status": "affected",
"version": "f80e1668888f34c0764822e74953c997daf2ccdb",
"versionType": "git"
},
{
"lessThan": "f76b3a32879de215ced3f8c754c4077b0c2f79e3",
"status": "affected",
"version": "f80e1668888f34c0764822e74953c997daf2ccdb",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"fs/dax.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.2"
},
{
"lessThan": "6.2",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.2.*",
"status": "unaffected",
"version": "6.2.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.3",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.2.11",
"versionStartIncluding": "6.2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.3",
"versionStartIncluding": "6.2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfsdax: force clear dirty mark if CoW\n\nXFS allows CoW on non-shared extents to combat fragmentation[1]. The old\nnon-shared extent could be mwrited before, its dax entry is marked dirty. \n\nThis results in a WARNing:\n\n[ 28.512349] ------------[ cut here ]------------\n[ 28.512622] WARNING: CPU: 2 PID: 5255 at fs/dax.c:390 dax_insert_entry+0x342/0x390\n[ 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\n[ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3.0-rc1-00001-g85e1481e19c1-dirty #117\n[ 28.515902] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS Arch Linux 1.16.1-1-1 04/01/2014\n[ 28.516307] RIP: 0010:dax_insert_entry+0x342/0x390\n[ 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 \u003c0f\u003e 0b e9 53 ff ff ff 48 8b 7c 24 08 31 f6 e8 1b 61 a1 00 eb 8c 48\n[ 28.517417] RSP: 0000:ffffc9000845fb18 EFLAGS: 00010086\n[ 28.517721] RAX: 0000000000000053 RBX: 0000000000000155 RCX: 000000000018824b\n[ 28.518113] RDX: 0000000000000000 RSI: ffffffff827525a6 RDI: 00000000ffffffff\n[ 28.518515] RBP: ffffea00062092c0 R08: 0000000000000000 R09: ffffc9000845f9c8\n[ 28.518905] R10: 0000000000000003 R11: ffffffff82ddb7e8 R12: 0000000000000155\n[ 28.519301] R13: 0000000000000000 R14: 000000000018824b R15: ffff88810cfa76b8\n[ 28.519703] FS: 00007f14a0c94740(0000) GS:ffff88817bd00000(0000) knlGS:0000000000000000\n[ 28.520148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 28.520472] CR2: 00007f14a0c8d000 CR3: 000000010321c004 CR4: 0000000000770ee0\n[ 28.520863] PKRU: 55555554\n[ 28.521043] Call Trace:\n[ 28.521219] \u003cTASK\u003e\n[ 28.521368] dax_fault_iter+0x196/0x390\n[ 28.521595] dax_iomap_pte_fault+0x19b/0x3d0\n[ 28.521852] __xfs_filemap_fault+0x234/0x2b0\n[ 28.522116] __do_fault+0x30/0x130\n[ 28.522334] do_fault+0x193/0x340\n[ 28.522586] __handle_mm_fault+0x2d3/0x690\n[ 28.522975] handle_mm_fault+0xe6/0x2c0\n[ 28.523259] do_user_addr_fault+0x1bc/0x6f0\n[ 28.523521] exc_page_fault+0x60/0x140\n[ 28.523763] asm_exc_page_fault+0x22/0x30\n[ 28.524001] RIP: 0033:0x7f14a0b589ca\n[ 28.524225] Code: c5 fe 7f 07 c5 fe 7f 47 20 c5 fe 7f 47 40 c5 fe 7f 47 60 c5 f8 77 c3 66 0f 1f 84 00 00 00 00 00 40 0f b6 c6 48 89 d1 48 89 fa \u003cf3\u003e aa 48 89 d0 c5 f8 77 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90\n[ 28.525198] RSP: 002b:00007fff1dea1c98 EFLAGS: 00010202\n[ 28.525505] RAX: 000000000000001e RBX: 000000000014a000 RCX: 0000000000006046\n[ 28.525895] RDX: 00007f14a0c82000 RSI: 000000000000001e RDI: 00007f14a0c8d000\n[ 28.526290] RBP: 000000000000006f R08: 0000000000000004 R09: 000000000014a000\n[ 28.526681] R10: 0000000000000008 R11: 0000000000000246 R12: 028f5c28f5c28f5c\n[ 28.527067] R13: 8f5c28f5c28f5c29 R14: 0000000000011046 R15: 00007f14a0c946c0\n[ 28.527449] \u003c/TASK\u003e\n[ 28.527600] ---[ end trace 0000000000000000 ]---\n\n\nTo be able to delete this entry, clear its dirty mark before\ninvalidate_inode_pages2_range().\n\n[1] https://lore.kernel.org/linux-xfs/20230321151339.GA11376@frogsfrogsfrogs/"
}
],
"providerMetadata": {
"dateUpdated": "2025-09-16T16:11:45.592Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/fac05f800abb63dc4d7cc48fe7edf16e0520dc1f"
},
{
"url": "https://git.kernel.org/stable/c/f76b3a32879de215ced3f8c754c4077b0c2f79e3"
}
],
"title": "fsdax: force clear dirty mark if CoW",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-53306",
"datePublished": "2025-09-16T16:11:45.592Z",
"dateReserved": "2025-09-16T08:09:37.994Z",
"dateUpdated": "2025-09-16T16:11:45.592Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2023-53306\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-09-16T17:15:36.370\",\"lastModified\":\"2025-09-17T14:18:55.093\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfsdax: force clear dirty mark if CoW\\n\\nXFS allows CoW on non-shared extents to combat fragmentation[1]. The old\\nnon-shared extent could be mwrited before, its dax entry is marked dirty. \\n\\nThis results in a WARNing:\\n\\n[ 28.512349] ------------[ cut here ]------------\\n[ 28.512622] WARNING: CPU: 2 PID: 5255 at fs/dax.c:390 dax_insert_entry+0x342/0x390\\n[ 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\\n[ 28.515462] CPU: 2 PID: 5255 Comm: fsstress Kdump: loaded Not tainted 6.3.0-rc1-00001-g85e1481e19c1-dirty #117\\n[ 28.515902] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS Arch Linux 1.16.1-1-1 04/01/2014\\n[ 28.516307] RIP: 0010:dax_insert_entry+0x342/0x390\\n[ 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 \u003c0f\u003e 0b e9 53 ff ff ff 48 8b 7c 24 08 31 f6 e8 1b 61 a1 00 eb 8c 48\\n[ 28.517417] RSP: 0000:ffffc9000845fb18 EFLAGS: 00010086\\n[ 28.517721] RAX: 0000000000000053 RBX: 0000000000000155 RCX: 000000000018824b\\n[ 28.518113] RDX: 0000000000000000 RSI: ffffffff827525a6 RDI: 00000000ffffffff\\n[ 28.518515] RBP: ffffea00062092c0 R08: 0000000000000000 R09: ffffc9000845f9c8\\n[ 28.518905] R10: 0000000000000003 R11: ffffffff82ddb7e8 R12: 0000000000000155\\n[ 28.519301] R13: 0000000000000000 R14: 000000000018824b R15: ffff88810cfa76b8\\n[ 28.519703] FS: 00007f14a0c94740(0000) GS:ffff88817bd00000(0000) knlGS:0000000000000000\\n[ 28.520148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[ 28.520472] CR2: 00007f14a0c8d000 CR3: 000000010321c004 CR4: 0000000000770ee0\\n[ 28.520863] PKRU: 55555554\\n[ 28.521043] Call Trace:\\n[ 28.521219] \u003cTASK\u003e\\n[ 28.521368] dax_fault_iter+0x196/0x390\\n[ 28.521595] dax_iomap_pte_fault+0x19b/0x3d0\\n[ 28.521852] __xfs_filemap_fault+0x234/0x2b0\\n[ 28.522116] __do_fault+0x30/0x130\\n[ 28.522334] do_fault+0x193/0x340\\n[ 28.522586] __handle_mm_fault+0x2d3/0x690\\n[ 28.522975] handle_mm_fault+0xe6/0x2c0\\n[ 28.523259] do_user_addr_fault+0x1bc/0x6f0\\n[ 28.523521] exc_page_fault+0x60/0x140\\n[ 28.523763] asm_exc_page_fault+0x22/0x30\\n[ 28.524001] RIP: 0033:0x7f14a0b589ca\\n[ 28.524225] Code: c5 fe 7f 07 c5 fe 7f 47 20 c5 fe 7f 47 40 c5 fe 7f 47 60 c5 f8 77 c3 66 0f 1f 84 00 00 00 00 00 40 0f b6 c6 48 89 d1 48 89 fa \u003cf3\u003e aa 48 89 d0 c5 f8 77 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90\\n[ 28.525198] RSP: 002b:00007fff1dea1c98 EFLAGS: 00010202\\n[ 28.525505] RAX: 000000000000001e RBX: 000000000014a000 RCX: 0000000000006046\\n[ 28.525895] RDX: 00007f14a0c82000 RSI: 000000000000001e RDI: 00007f14a0c8d000\\n[ 28.526290] RBP: 000000000000006f R08: 0000000000000004 R09: 000000000014a000\\n[ 28.526681] R10: 0000000000000008 R11: 0000000000000246 R12: 028f5c28f5c28f5c\\n[ 28.527067] R13: 8f5c28f5c28f5c29 R14: 0000000000011046 R15: 00007f14a0c946c0\\n[ 28.527449] \u003c/TASK\u003e\\n[ 28.527600] ---[ end trace 0000000000000000 ]---\\n\\n\\nTo be able to delete this entry, clear its dirty mark before\\ninvalidate_inode_pages2_range().\\n\\n[1] https://lore.kernel.org/linux-xfs/20230321151339.GA11376@frogsfrogsfrogs/\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/f76b3a32879de215ced3f8c754c4077b0c2f79e3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fac05f800abb63dc4d7cc48fe7edf16e0520dc1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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