suse-su-2023:2431-1
Vulnerability from csaf_suse
Published
2023-06-06 21:04
Modified
2023-06-06 21:04
Summary
Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4)
Notes
Title of the patch
Security update for the Linux Kernel (Live Patch 6 for SLE 15 SP4)
Description of the patch
This update for the Linux Kernel 5.14.21-150400_24_38 fixes several issues.
The following security issues were fixed:
- CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/uetooth/hci_conn.c (bsc#1211111).
- CVE-2023-1989: Fixed a use after free in btsdio_remove (bsc#1210500).
- CVE-2023-0386: Fixed privileges escalation for low-privileged users in the OverlayFS subsystem (bsc#1210499).
- CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209683).
- CVE-2023-2162: Fixed an use-after-free flaw in iscsi_sw_tcp_session_create (bsc#1210662).
- CVE-2023-0461: Fixed use-after-free in icsk_ulp_data (bsc#1208911).
- CVE-2023-23454: Fixed a type-confusion in the CBQ network scheduler (bsc#1207188).
Patchnames
SUSE-2023-2431,SUSE-SLE-Module-Live-Patching-15-SP4-2023-2431
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel\u0027s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.",
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"text": "There is a use-after-free vulnerability in the Linux Kernel which can be exploited to achieve local privilege escalation. To reach the vulnerability kernel configuration flag CONFIG_TLS or CONFIG_XFRM_ESPINTCP has to be configured, but the operation does not require any privilege.\n\nThere is a use-after-free bug of icsk_ulp_data of a struct inet_connection_sock.\n\nWhen CONFIG_TLS is enabled, user can install a tls context (struct tls_context) on a connected tcp socket. The context is not cleared if this socket is disconnected and reused as a listener. If a new socket is created from the listener, the context is inherited and vulnerable.\n\nThe setsockopt TCP_ULP operation does not require any privilege.\n\nWe recommend upgrading past commit 2c02d41d71f90a5168391b6a5f2954112ba2307c",
"title": "CVE description"
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"summary": "SUSE Bug 1218514 for CVE-2023-0461",
"url": "https://bugzilla.suse.com/1218514"
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"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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"text": "https://www.suse.com/security/cve/CVE-2023-1281"
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"notes": [
{
"category": "general",
"text": "Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when \u0027tcf_exts_exec()\u0027 is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root.\nThis issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.\n\n",
"title": "CVE description"
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"url": "https://bugzilla.suse.com/1210423"
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},
{
"cve": "CVE-2023-1989",
"ids": [
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"text": "https://www.suse.com/security/cve/CVE-2023-1989"
}
],
"notes": [
{
"category": "general",
"text": "A use-after-free flaw was found in btsdio_remove in drivers\\bluetooth\\btsdio.c in the Linux Kernel. In this flaw, a call to btsdio_remove with an unfinished job, may cause a race problem leading to a UAF on hdev devices.",
"title": "CVE description"
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],
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"url": "https://www.suse.com/security/cve/CVE-2023-1989"
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},
{
"category": "external",
"summary": "SUSE Bug 1210500 for CVE-2023-1989",
"url": "https://bugzilla.suse.com/1210500"
},
{
"category": "external",
"summary": "SUSE Bug 1213841 for CVE-2023-1989",
"url": "https://bugzilla.suse.com/1213841"
},
{
"category": "external",
"summary": "SUSE Bug 1213842 for CVE-2023-1989",
"url": "https://bugzilla.suse.com/1213842"
},
{
"category": "external",
"summary": "SUSE Bug 1214128 for CVE-2023-1989",
"url": "https://bugzilla.suse.com/1214128"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2023-06-06T21:04:43Z",
"details": "important"
}
],
"title": "CVE-2023-1989"
},
{
"cve": "CVE-2023-2162",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-2162"
}
],
"notes": [
{
"category": "general",
"text": "A use-after-free vulnerability was found in iscsi_sw_tcp_session_create in drivers/scsi/iscsi_tcp.c in SCSI sub-component in the Linux Kernel. In this flaw an attacker could leak kernel internal information.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2023-2162",
"url": "https://www.suse.com/security/cve/CVE-2023-2162"
},
{
"category": "external",
"summary": "SUSE Bug 1210647 for CVE-2023-2162",
"url": "https://bugzilla.suse.com/1210647"
},
{
"category": "external",
"summary": "SUSE Bug 1210662 for CVE-2023-2162",
"url": "https://bugzilla.suse.com/1210662"
},
{
"category": "external",
"summary": "SUSE Bug 1213841 for CVE-2023-2162",
"url": "https://bugzilla.suse.com/1213841"
},
{
"category": "external",
"summary": "SUSE Bug 1213842 for CVE-2023-2162",
"url": "https://bugzilla.suse.com/1213842"
},
{
"category": "external",
"summary": "SUSE Bug 1214128 for CVE-2023-2162",
"url": "https://bugzilla.suse.com/1214128"
},
{
"category": "external",
"summary": "SUSE Bug 1222212 for CVE-2023-2162",
"url": "https://bugzilla.suse.com/1222212"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2023-06-06T21:04:43Z",
"details": "moderate"
}
],
"title": "CVE-2023-2162"
},
{
"cve": "CVE-2023-23454",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-23454"
}
],
"notes": [
{
"category": "general",
"text": "cbq_classify in net/sched/sch_cbq.c in the Linux kernel through 6.1.4 allows attackers to cause a denial of service (slab-out-of-bounds read) because of type confusion (non-negative numbers can sometimes indicate a TC_ACT_SHOT condition rather than valid classification results).",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2023-23454",
"url": "https://www.suse.com/security/cve/CVE-2023-23454"
},
{
"category": "external",
"summary": "SUSE Bug 1207036 for CVE-2023-23454",
"url": "https://bugzilla.suse.com/1207036"
},
{
"category": "external",
"summary": "SUSE Bug 1207188 for CVE-2023-23454",
"url": "https://bugzilla.suse.com/1207188"
},
{
"category": "external",
"summary": "SUSE Bug 1208030 for CVE-2023-23454",
"url": "https://bugzilla.suse.com/1208030"
},
{
"category": "external",
"summary": "SUSE Bug 1208044 for CVE-2023-23454",
"url": "https://bugzilla.suse.com/1208044"
},
{
"category": "external",
"summary": "SUSE Bug 1208085 for CVE-2023-23454",
"url": "https://bugzilla.suse.com/1208085"
},
{
"category": "external",
"summary": "SUSE Bug 1211833 for CVE-2023-23454",
"url": "https://bugzilla.suse.com/1211833"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2023-06-06T21:04:43Z",
"details": "important"
}
],
"title": "CVE-2023-23454"
},
{
"cve": "CVE-2023-28464",
"ids": [
{
"system_name": "SUSE CVE Page",
"text": "https://www.suse.com/security/cve/CVE-2023-28464"
}
],
"notes": [
{
"category": "general",
"text": "hci_conn_cleanup in net/bluetooth/hci_conn.c in the Linux kernel through 6.2.9 has a use-after-free (observed in hci_conn_hash_flush) because of calls to hci_dev_put and hci_conn_put. There is a double free that may lead to privilege escalation.",
"title": "CVE description"
}
],
"product_status": {
"recommended": [
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"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
},
"references": [
{
"category": "external",
"summary": "CVE-2023-28464",
"url": "https://www.suse.com/security/cve/CVE-2023-28464"
},
{
"category": "external",
"summary": "SUSE Bug 1209052 for CVE-2023-28464",
"url": "https://bugzilla.suse.com/1209052"
},
{
"category": "external",
"summary": "SUSE Bug 1211111 for CVE-2023-28464",
"url": "https://bugzilla.suse.com/1211111"
},
{
"category": "external",
"summary": "SUSE Bug 1220130 for CVE-2023-28464",
"url": "https://bugzilla.suse.com/1220130"
}
],
"remediations": [
{
"category": "vendor_fix",
"details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
"product_ids": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"scores": [
{
"cvss_v3": {
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"products": [
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.ppc64le",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.s390x",
"SUSE Linux Enterprise Live Patching 15 SP4:kernel-livepatch-5_14_21-150400_24_38-default-6-150400.2.3.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"date": "2023-06-06T21:04:43Z",
"details": "important"
}
],
"title": "CVE-2023-28464"
}
]
}
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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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