CVE-2023-54258 (GCVE-0-2023-54258)
Vulnerability from cvelistv5
Published
2025-12-30 12:15
Modified
2025-12-30 12:15
Severity ?
VLAI Severity ?
EPSS score ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
cifs: fix potential oops in cifs_oplock_break
With deferred close we can have closes that race with lease breaks,
and so with the current checks for whether to send the lease response,
oplock_response(), this can mean that an unmount (kill_sb) can occur
just before we were checking if the tcon->ses is valid. See below:
[Fri Aug 4 04:12:50 2023] RIP: 0010:cifs_oplock_break+0x1f7/0x5b0 [cifs]
[Fri Aug 4 04:12:50 2023] Code: 7d a8 48 8b 7d c0 c0 e9 02 48 89 45 b8 41 89 cf e8 3e f5 ff ff 4c 89 f7 41 83 e7 01 e8 82 b3 03 f2 49 8b 45 50 48 85 c0 74 5e <48> 83 78 60 00 74 57 45 84 ff 75 52 48 8b 43 98 48 83 eb 68 48 39
[Fri Aug 4 04:12:50 2023] RSP: 0018:ffffb30607ddbdf8 EFLAGS: 00010206
[Fri Aug 4 04:12:50 2023] RAX: 632d223d32612022 RBX: ffff97136944b1e0 RCX: 0000000080100009
[Fri Aug 4 04:12:50 2023] RDX: 0000000000000001 RSI: 0000000080100009 RDI: ffff97136944b188
[Fri Aug 4 04:12:50 2023] RBP: ffffb30607ddbe58 R08: 0000000000000001 R09: ffffffffc08e0900
[Fri Aug 4 04:12:50 2023] R10: 0000000000000001 R11: 000000000000000f R12: ffff97136944b138
[Fri Aug 4 04:12:50 2023] R13: ffff97149147c000 R14: ffff97136944b188 R15: 0000000000000000
[Fri Aug 4 04:12:50 2023] FS: 0000000000000000(0000) GS:ffff9714f7c00000(0000) knlGS:0000000000000000
[Fri Aug 4 04:12:50 2023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[Fri Aug 4 04:12:50 2023] CR2: 00007fd8de9c7590 CR3: 000000011228e000 CR4: 0000000000350ef0
[Fri Aug 4 04:12:50 2023] Call Trace:
[Fri Aug 4 04:12:50 2023] <TASK>
[Fri Aug 4 04:12:50 2023] process_one_work+0x225/0x3d0
[Fri Aug 4 04:12:50 2023] worker_thread+0x4d/0x3e0
[Fri Aug 4 04:12:50 2023] ? process_one_work+0x3d0/0x3d0
[Fri Aug 4 04:12:50 2023] kthread+0x12a/0x150
[Fri Aug 4 04:12:50 2023] ? set_kthread_struct+0x50/0x50
[Fri Aug 4 04:12:50 2023] ret_from_fork+0x22/0x30
[Fri Aug 4 04:12:50 2023] </TASK>
To fix this change the ordering of the checks before sending the oplock_response
to first check if the openFileList is empty.
References
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/smb/client/file.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "b99f490ea87ebcca3a429fd8837067feb56a4c7c",
"status": "affected",
"version": "63fb45ddc491895c4b36664e0c2c3b548545ae93",
"versionType": "git"
},
{
"lessThan": "5ee28bcfbaacf289eb25c662a2862542ea6ce6a7",
"status": "affected",
"version": "1bf709b9625001eefdd41048c5f4c7544ee33394",
"versionType": "git"
},
{
"lessThan": "6b67a6d2e50634fe127e656147c81915955e9f5e",
"status": "affected",
"version": "3b4c15171c3ce9120c81f5564b9367d8d0f4219c",
"versionType": "git"
},
{
"lessThan": "e8f5f849ffce24490eb9449e98312b66c0dba76f",
"status": "affected",
"version": "da787d5b74983f7525d1eb4b9c0b4aff2821511a",
"versionType": "git"
},
{
"status": "affected",
"version": "cff7fb969edaeff2bc80c8a8f7cf7b0c8df32da7",
"versionType": "git"
}
]
},
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"fs/smb/client/file.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "5.15.128",
"status": "affected",
"version": "5.15.121",
"versionType": "semver"
},
{
"lessThan": "6.1.47",
"status": "affected",
"version": "6.1.39",
"versionType": "semver"
},
{
"lessThan": "6.4.12",
"status": "affected",
"version": "6.4.4",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.128",
"versionStartIncluding": "5.15.121",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.47",
"versionStartIncluding": "6.1.39",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.4.12",
"versionStartIncluding": "6.4.4",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.3.13",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: fix potential oops in cifs_oplock_break\n\nWith deferred close we can have closes that race with lease breaks,\nand so with the current checks for whether to send the lease response,\noplock_response(), this can mean that an unmount (kill_sb) can occur\njust before we were checking if the tcon-\u003eses is valid. See below:\n\n[Fri Aug 4 04:12:50 2023] RIP: 0010:cifs_oplock_break+0x1f7/0x5b0 [cifs]\n[Fri Aug 4 04:12:50 2023] Code: 7d a8 48 8b 7d c0 c0 e9 02 48 89 45 b8 41 89 cf e8 3e f5 ff ff 4c 89 f7 41 83 e7 01 e8 82 b3 03 f2 49 8b 45 50 48 85 c0 74 5e \u003c48\u003e 83 78 60 00 74 57 45 84 ff 75 52 48 8b 43 98 48 83 eb 68 48 39\n[Fri Aug 4 04:12:50 2023] RSP: 0018:ffffb30607ddbdf8 EFLAGS: 00010206\n[Fri Aug 4 04:12:50 2023] RAX: 632d223d32612022 RBX: ffff97136944b1e0 RCX: 0000000080100009\n[Fri Aug 4 04:12:50 2023] RDX: 0000000000000001 RSI: 0000000080100009 RDI: ffff97136944b188\n[Fri Aug 4 04:12:50 2023] RBP: ffffb30607ddbe58 R08: 0000000000000001 R09: ffffffffc08e0900\n[Fri Aug 4 04:12:50 2023] R10: 0000000000000001 R11: 000000000000000f R12: ffff97136944b138\n[Fri Aug 4 04:12:50 2023] R13: ffff97149147c000 R14: ffff97136944b188 R15: 0000000000000000\n[Fri Aug 4 04:12:50 2023] FS: 0000000000000000(0000) GS:ffff9714f7c00000(0000) knlGS:0000000000000000\n[Fri Aug 4 04:12:50 2023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[Fri Aug 4 04:12:50 2023] CR2: 00007fd8de9c7590 CR3: 000000011228e000 CR4: 0000000000350ef0\n[Fri Aug 4 04:12:50 2023] Call Trace:\n[Fri Aug 4 04:12:50 2023] \u003cTASK\u003e\n[Fri Aug 4 04:12:50 2023] process_one_work+0x225/0x3d0\n[Fri Aug 4 04:12:50 2023] worker_thread+0x4d/0x3e0\n[Fri Aug 4 04:12:50 2023] ? process_one_work+0x3d0/0x3d0\n[Fri Aug 4 04:12:50 2023] kthread+0x12a/0x150\n[Fri Aug 4 04:12:50 2023] ? set_kthread_struct+0x50/0x50\n[Fri Aug 4 04:12:50 2023] ret_from_fork+0x22/0x30\n[Fri Aug 4 04:12:50 2023] \u003c/TASK\u003e\n\nTo fix this change the ordering of the checks before sending the oplock_response\nto first check if the openFileList is empty."
}
],
"providerMetadata": {
"dateUpdated": "2025-12-30T12:15:52.855Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/b99f490ea87ebcca3a429fd8837067feb56a4c7c"
},
{
"url": "https://git.kernel.org/stable/c/5ee28bcfbaacf289eb25c662a2862542ea6ce6a7"
},
{
"url": "https://git.kernel.org/stable/c/6b67a6d2e50634fe127e656147c81915955e9f5e"
},
{
"url": "https://git.kernel.org/stable/c/e8f5f849ffce24490eb9449e98312b66c0dba76f"
}
],
"title": "cifs: fix potential oops in cifs_oplock_break",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2023-54258",
"datePublished": "2025-12-30T12:15:52.855Z",
"dateReserved": "2025-12-30T12:06:44.516Z",
"dateUpdated": "2025-12-30T12:15:52.855Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2023-54258\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-30T13:16:14.560\",\"lastModified\":\"2025-12-31T20:42:43.210\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncifs: fix potential oops in cifs_oplock_break\\n\\nWith deferred close we can have closes that race with lease breaks,\\nand so with the current checks for whether to send the lease response,\\noplock_response(), this can mean that an unmount (kill_sb) can occur\\njust before we were checking if the tcon-\u003eses is valid. See below:\\n\\n[Fri Aug 4 04:12:50 2023] RIP: 0010:cifs_oplock_break+0x1f7/0x5b0 [cifs]\\n[Fri Aug 4 04:12:50 2023] Code: 7d a8 48 8b 7d c0 c0 e9 02 48 89 45 b8 41 89 cf e8 3e f5 ff ff 4c 89 f7 41 83 e7 01 e8 82 b3 03 f2 49 8b 45 50 48 85 c0 74 5e \u003c48\u003e 83 78 60 00 74 57 45 84 ff 75 52 48 8b 43 98 48 83 eb 68 48 39\\n[Fri Aug 4 04:12:50 2023] RSP: 0018:ffffb30607ddbdf8 EFLAGS: 00010206\\n[Fri Aug 4 04:12:50 2023] RAX: 632d223d32612022 RBX: ffff97136944b1e0 RCX: 0000000080100009\\n[Fri Aug 4 04:12:50 2023] RDX: 0000000000000001 RSI: 0000000080100009 RDI: ffff97136944b188\\n[Fri Aug 4 04:12:50 2023] RBP: ffffb30607ddbe58 R08: 0000000000000001 R09: ffffffffc08e0900\\n[Fri Aug 4 04:12:50 2023] R10: 0000000000000001 R11: 000000000000000f R12: ffff97136944b138\\n[Fri Aug 4 04:12:50 2023] R13: ffff97149147c000 R14: ffff97136944b188 R15: 0000000000000000\\n[Fri Aug 4 04:12:50 2023] FS: 0000000000000000(0000) GS:ffff9714f7c00000(0000) knlGS:0000000000000000\\n[Fri Aug 4 04:12:50 2023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[Fri Aug 4 04:12:50 2023] CR2: 00007fd8de9c7590 CR3: 000000011228e000 CR4: 0000000000350ef0\\n[Fri Aug 4 04:12:50 2023] Call Trace:\\n[Fri Aug 4 04:12:50 2023] \u003cTASK\u003e\\n[Fri Aug 4 04:12:50 2023] process_one_work+0x225/0x3d0\\n[Fri Aug 4 04:12:50 2023] worker_thread+0x4d/0x3e0\\n[Fri Aug 4 04:12:50 2023] ? process_one_work+0x3d0/0x3d0\\n[Fri Aug 4 04:12:50 2023] kthread+0x12a/0x150\\n[Fri Aug 4 04:12:50 2023] ? set_kthread_struct+0x50/0x50\\n[Fri Aug 4 04:12:50 2023] ret_from_fork+0x22/0x30\\n[Fri Aug 4 04:12:50 2023] \u003c/TASK\u003e\\n\\nTo fix this change the ordering of the checks before sending the oplock_response\\nto first check if the openFileList is empty.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5ee28bcfbaacf289eb25c662a2862542ea6ce6a7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6b67a6d2e50634fe127e656147c81915955e9f5e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b99f490ea87ebcca3a429fd8837067feb56a4c7c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e8f5f849ffce24490eb9449e98312b66c0dba76f\",\"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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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