CVE-2023-54177
Estado: AplazadaSin puntuar—
In the Linux kernel, the following vulnerability has been resolved:
quota: fix warning in dqgrab()
In the above scenario, 'dquot->dq_flags' has no DQ_ACTIVE_B is normal when dqgrab(). To solve above issue just replace the dqgrab() use in invalidate_dquots() with atomic_inc(&dquot->dq_count).
Detalles técnicos trazas, registros y código del informe original
There's issue as follows when do fault injection:
WARNING: CPU: 1 PID: 14870 at include/linux/quotaops.h:51 dquot_disable+0x13b7/0x18c0
Modules linked in:
CPU: 1 PID: 14870 Comm: fsconfig Not tainted 6.3.0-next-20230505-00006-g5107a9c821af-dirty #541
RIP: 0010:dquot_disable+0x13b7/0x18c0
RSP: 0018:ffffc9000acc79e0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88825e41b980
RDX: 0000000000000000 RSI: ffff88825e41b980 RDI: 0000000000000002
RBP: ffff888179f68000 R08: ffffffff82087ca7 R09: 0000000000000000
R10: 0000000000000001 R11: ffffed102f3ed026 R12: ffff888179f68130
R13: ffff888179f68110 R14: dffffc0000000000 R15: ffff888179f68118
FS: 00007f450a073740(0000) GS:ffff88882fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe96f2efd8 CR3: 000000025c8ad000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
dquot_load_quota_sb+0xd53/0x1060
dquot_resume+0x172/0x230
ext4_reconfigure+0x1dc6/0x27b0
reconfigure_super+0x515/0xa90
__x64_sys_fsconfig+0xb19/0xd20
do_syscall_64+0x39/0xb0
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Above issue may happens as follows:
ProcessA ProcessB ProcessC
sys_fsconfig
vfs_fsconfig_locked
reconfigure_super
ext4_remount
dquot_suspend -> suspend all type quota
sys_fsconfig
vfs_fsconfig_locked
reconfigure_super
ext4_remount
dquot_resume
ret = dquot_load_quota_sb
add_dquot_ref
do_open -> open file O_RDWR
vfs_open
do_dentry_open
get_write_access
atomic_inc_unless_negative(&inode->i_writecount)
ext4_file_open
dquot_file_open
dquot_initialize
__dquot_initialize
dqget
atomic_inc(&dquot->dq_count);
__dquot_initialize
__dquot_initialize
dqget
if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
ext4_acquire_dquot
-> Return error DQ_ACTIVE_B flag isn't set
dquot_disable
invalidate_dquots
if (atomic_read(&dquot->dq_count))
dqgrab
WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))
-> Trigger warningCVSS
NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.23%
- Percentil entre todas las CVEs puntuadas: 12
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
Referencias
- https://git.kernel.org/stable/c/3f378783c47b5749317ea008d8c931d6d3986d8f
- https://git.kernel.org/stable/c/579d814de87c3cac69c9b261efa165d07cde3357
- https://git.kernel.org/stable/c/6432843debe1ec7d76c5b2f76c67f9c5df22436e
- https://git.kernel.org/stable/c/6478eabc92274efae6269da7c515ba2b4c8e88d8
- https://git.kernel.org/stable/c/6f4e543d277a12dfeff027e6ab24a170e1bfc160
- https://git.kernel.org/stable/c/965bad2bf1afef64ec16249da676dc7310cca32e
- https://git.kernel.org/stable/c/cbaebbba722cb9738c55903efce11f51cdd97bee
- https://git.kernel.org/stable/c/d6a95db3c7ad160bc16b89e36449705309b52bcb
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-54177",
"cveTags": [],
"metrics": {},
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "6478eabc92274efae6269da7c515ba2b4c8e88d8",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "965bad2bf1afef64ec16249da676dc7310cca32e",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "3f378783c47b5749317ea008d8c931d6d3986d8f",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "cbaebbba722cb9738c55903efce11f51cdd97bee",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "579d814de87c3cac69c9b261efa165d07cde3357",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "6432843debe1ec7d76c5b2f76c67f9c5df22436e",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "6f4e543d277a12dfeff027e6ab24a170e1bfc160",
"versionType": "git"
},
{
"status": "affected",
"version": "9f985cb6c45bc3f8b7e161c9658d409d051d576f",
"lessThan": "d6a95db3c7ad160bc16b89e36449705309b52bcb",
"versionType": "git"
},
{
"status": "affected",
"version": "b5258061a2a8f657aa5900dd3c1ded9e868e3544",
"versionType": "git"
},
{
"status": "affected",
"version": "3.12.24",
"lessThan": "3.13",
"versionType": "semver"
}
],
"programFiles": [
"fs/quota/dquot.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "3.15"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "3.15",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "4.14.324",
"versionType": "semver",
"lessThanOrEqual": "4.14.*"
},
{
"status": "unaffected",
"version": "4.19.293",
"versionType": "semver",
"lessThanOrEqual": "4.19.*"
},
{
"status": "unaffected",
"version": "5.4.255",
"versionType": "semver",
"lessThanOrEqual": "5.4.*"
},
{
"status": "unaffected",
"version": "5.10.192",
"versionType": "semver",
"lessThanOrEqual": "5.10.*"
},
{
"status": "unaffected",
"version": "5.15.123",
"versionType": "semver",
"lessThanOrEqual": "5.15.*"
},
{
"status": "unaffected",
"version": "6.1.42",
"versionType": "semver",
"lessThanOrEqual": "6.1.*"
},
{
"status": "unaffected",
"version": "6.4.7",
"versionType": "semver",
"lessThanOrEqual": "6.4.*"
},
{
"status": "unaffected",
"version": "6.5",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"fs/quota/dquot.c"
],
"defaultStatus": "affected"
}
]
}
],
"published": "2025-12-30T13:16:05.590",
"references": [
{
"url": "https://git.kernel.org/stable/c/3f378783c47b5749317ea008d8c931d6d3986d8f",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/579d814de87c3cac69c9b261efa165d07cde3357",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/6432843debe1ec7d76c5b2f76c67f9c5df22436e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/6478eabc92274efae6269da7c515ba2b4c8e88d8",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/6f4e543d277a12dfeff027e6ab24a170e1bfc160",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/965bad2bf1afef64ec16249da676dc7310cca32e",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/cbaebbba722cb9738c55903efce11f51cdd97bee",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d6a95db3c7ad160bc16b89e36449705309b52bcb",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"vulnStatus": "Deferred",
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nquota: fix warning in dqgrab()\n\nThere's issue as follows when do fault injection:\nWARNING: CPU: 1 PID: 14870 at include/linux/quotaops.h:51 dquot_disable+0x13b7/0x18c0\nModules linked in:\nCPU: 1 PID: 14870 Comm: fsconfig Not tainted 6.3.0-next-20230505-00006-g5107a9c821af-dirty #541\nRIP: 0010:dquot_disable+0x13b7/0x18c0\nRSP: 0018:ffffc9000acc79e0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88825e41b980\nRDX: 0000000000000000 RSI: ffff88825e41b980 RDI: 0000000000000002\nRBP: ffff888179f68000 R08: ffffffff82087ca7 R09: 0000000000000000\nR10: 0000000000000001 R11: ffffed102f3ed026 R12: ffff888179f68130\nR13: ffff888179f68110 R14: dffffc0000000000 R15: ffff888179f68118\nFS: 00007f450a073740(0000) GS:ffff88882fc00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ffe96f2efd8 CR3: 000000025c8ad000 CR4: 00000000000006e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n dquot_load_quota_sb+0xd53/0x1060\n dquot_resume+0x172/0x230\n ext4_reconfigure+0x1dc6/0x27b0\n reconfigure_super+0x515/0xa90\n __x64_sys_fsconfig+0xb19/0xd20\n do_syscall_64+0x39/0xb0\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nAbove issue may happens as follows:\nProcessA ProcessB ProcessC\nsys_fsconfig\n vfs_fsconfig_locked\n reconfigure_super\n ext4_remount\n dquot_suspend -> suspend all type quota\n\n sys_fsconfig\n vfs_fsconfig_locked\n reconfigure_super\n ext4_remount\n dquot_resume\n ret = dquot_load_quota_sb\n add_dquot_ref\n do_open -> open file O_RDWR\n vfs_open\n do_dentry_open\n get_write_access\n atomic_inc_unless_negative(&inode->i_writecount)\n ext4_file_open\n dquot_file_open\n dquot_initialize\n __dquot_initialize\n dqget\n\t\t\t\t\t\t atomic_inc(&dquot->dq_count);\n\n __dquot_initialize\n __dquot_initialize\n dqget\n if (!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))\n ext4_acquire_dquot\n\t\t\t -> Return error DQ_ACTIVE_B flag isn't set\n dquot_disable\n\t\t\t invalidate_dquots\n\t\t\t if (atomic_read(&dquot->dq_count))\n\t dqgrab\n\t\t\t WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags))\n\t -> Trigger warning\n\nIn the above scenario, 'dquot->dq_flags' has no DQ_ACTIVE_B is normal when\ndqgrab().\nTo solve above issue just replace the dqgrab() use in invalidate_dquots() with\natomic_inc(&dquot->dq_count)."
}
],
"lastModified": "2026-06-17T06:46:56.717",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}