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CERTFR-2019-AVI-337
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux de SUSE. Certaines d'entre elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur, un déni de service et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server 12-SP3-LTSS | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Legacy Software 15-SP1 | ||
| SUSE | N/A | SUSE Enterprise Storage 5 | ||
| SUSE | SUSE Linux Enterprise Desktop | SUSE Linux Enterprise Desktop 12-SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Development Tools 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Software Development Kit 12-SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Development Tools 15 | ||
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server for SAP 12-SP3 | ||
| SUSE | N/A | SUSE CaaS Platform 3.0 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Live Patching 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Workstation Extension 12-SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise Workstation Extension 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Basesystem 15 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Live Patching 15 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability 15 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Basesystem 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Workstation Extension 15 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 | ||
| SUSE | N/A | SUSE OpenStack Cloud 8 | ||
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server 12-SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Legacy Software 15 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability 12-SP4 | ||
| SUSE | SUSE Linux Enterprise Live Patching | SUSE Linux Enterprise Live Patching 12-SP4 | ||
| SUSE | N/A | SUSE Linux Enterprise High Availability 12-SP3 |
References
| Title | Publication Time | Tags | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "SUSE Linux Enterprise Server 12-SP3-LTSS",
"product": {
"name": "SUSE Linux Enterprise Server",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Open Buildservice Development Tools 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Legacy Software 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Enterprise Storage 5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Desktop 12-SP4",
"product": {
"name": "SUSE Linux Enterprise Desktop",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Development Tools 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Software Development Kit 12-SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Development Tools 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server for SAP 12-SP3",
"product": {
"name": "SUSE Linux Enterprise Server",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE CaaS Platform 3.0",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Live Patching 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Workstation Extension 12-SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Workstation Extension 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Basesystem 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Live Patching 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Basesystem 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Workstation Extension 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE OpenStack Cloud 8",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 12-SP4",
"product": {
"name": "SUSE Linux Enterprise Server",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Module for Legacy Software 15",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability 15-SP1",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability 12-SP4",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 12-SP4",
"product": {
"name": "SUSE Linux Enterprise Live Patching",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise High Availability 12-SP3",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2019-12614",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12614"
},
{
"name": "CVE-2019-11478",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-11478"
},
{
"name": "CVE-2019-10638",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-10638"
},
{
"name": "CVE-2018-16871",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-16871"
},
{
"name": "CVE-2018-20836",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-20836"
},
{
"name": "CVE-2019-12380",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12380"
},
{
"name": "CVE-2019-10639",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-10639"
},
{
"name": "CVE-2019-12456",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12456"
},
{
"name": "CVE-2019-12818",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12818"
},
{
"name": "CVE-2019-13233",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-13233"
},
{
"name": "CVE-2019-11599",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-11599"
},
{
"name": "CVE-2019-10126",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-10126"
},
{
"name": "CVE-2019-11487",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-11487"
},
{
"name": "CVE-2019-12819",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12819"
}
],
"initial_release_date": "2019-07-16T00:00:00",
"last_revision_date": "2019-07-16T00:00:00",
"links": [],
"reference": "CERTFR-2019-AVI-337",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2019-07-16T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans le noyau Linux de\nSUSE. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un\nprobl\u00e8me de s\u00e9curit\u00e9 non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur, un d\u00e9ni de service et\nun contournement de la politique de s\u00e9curit\u00e9.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux de SUSE",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20191854-1 du 15 juillet 2019",
"url": "https://www.suse.com/support/update/announcement/2019/suse-su-20191854-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20191855-1 du 15 juillet 2019",
"url": "https://www.suse.com/support/update/announcement/2019/suse-su-20191855-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20191851-1 du 15 juillet 2019",
"url": "https://www.suse.com/support/update/announcement/2019/suse-su-20191851-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE suse-su-20191852-1 du 15 juillet 2019",
"url": "https://www.suse.com/support/update/announcement/2019/suse-su-20191852-1/"
}
]
}
CVE-2019-10639 (GCVE-0-2019-10639)
Vulnerability from cvelistv5
Published
2019-07-05 22:07
Modified
2024-08-04 22:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The Linux kernel 4.x (starting from 4.1) and 5.x before 5.0.8 allows Information Exposure (partial kernel address disclosure), leading to a KASLR bypass. Specifically, it is possible to extract the KASLR kernel image offset using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). This key contains enough bits from a kernel address (of a static variable) so when the key is extracted (via enumeration), the offset of the kernel image is exposed. This attack can be carried out remotely, by the attacker forcing the target device to send UDP or ICMP (or certain other) traffic to attacker-controlled IP addresses. Forcing a server to send UDP traffic is trivial if the server is a DNS server. ICMP traffic is trivial if the server answers ICMP Echo requests (ping). For client targets, if the target visits the attacker's web page, then WebRTC or gQUIC can be used to force UDP traffic to attacker-controlled IP addresses. NOTE: this attack against KASLR became viable in 4.1 because IP ID generation was changed to have a dependency on an address associated with a network namespace.
References
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{
"name": "[debian-lts-announce] 20190723 [SECURITY] [DLA 1862-1] linux security update",
"tags": [
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"url": "https://lists.debian.org/debian-lts-announce/2019/07/msg00022.html"
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"url": "https://www.debian.org/security/2019/dsa-4497"
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"url": "https://lists.debian.org/debian-lts-announce/2019/08/msg00017.html"
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{
"name": "USN-4115-1",
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"url": "https://usn.ubuntu.com/4115-1/"
},
{
"name": "USN-4118-1",
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"url": "https://usn.ubuntu.com/4118-1/"
},
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"url": "https://www.oracle.com/security-alerts/cpuApr2021.html"
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"url": "https://security.netapp.com/advisory/ntap-20190806-0001/"
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"value": "The Linux kernel 4.x (starting from 4.1) and 5.x before 5.0.8 allows Information Exposure (partial kernel address disclosure), leading to a KASLR bypass. Specifically, it is possible to extract the KASLR kernel image offset using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). This key contains enough bits from a kernel address (of a static variable) so when the key is extracted (via enumeration), the offset of the kernel image is exposed. This attack can be carried out remotely, by the attacker forcing the target device to send UDP or ICMP (or certain other) traffic to attacker-controlled IP addresses. Forcing a server to send UDP traffic is trivial if the server is a DNS server. ICMP traffic is trivial if the server answers ICMP Echo requests (ping). For client targets, if the target visits the attacker\u0027s web page, then WebRTC or gQUIC can be used to force UDP traffic to attacker-controlled IP addresses. NOTE: this attack against KASLR became viable in 4.1 because IP ID generation was changed to have a dependency on an address associated with a network namespace."
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CVE-2019-13233 (GCVE-0-2019-13233)
Vulnerability from cvelistv5
Published
2019-07-04 12:27
Modified
2024-08-04 23:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-12819 (GCVE-0-2019-12819)
Vulnerability from cvelistv5
Published
2019-06-14 01:24
Modified
2024-08-04 23:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. This will cause a denial of service.
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-11478 (GCVE-0-2019-11478)
Vulnerability from cvelistv5
Published
2019-06-18 23:34
Modified
2024-09-16 23:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Summary
Jonathan Looney discovered that the TCP retransmission queue implementation in tcp_fragment in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment (SACK) sequences. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commit f070ef2ac66716357066b683fb0baf55f8191a2e.
References
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux kernel |
Version: 4.4 < 4.4.182 Version: 4.9 < 4.9.182 Version: 4.14 < 4.14.127 Version: 4.19 < 4.19.52 Version: 5.1 < 5.1.11 |
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CVE-2018-16871 (GCVE-0-2018-16871)
Vulnerability from cvelistv5
Published
2019-07-30 16:19
Modified
2024-08-05 10:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux kernel's NFS implementation, all versions 3.x and all versions 4.x up to 4.20. An attacker, who is able to mount an exported NFS filesystem, is able to trigger a null pointer dereference by using an invalid NFS sequence. This can panic the machine and deny access to the NFS server. Any outstanding disk writes to the NFS server will be lost.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-12380 (GCVE-0-2019-12380)
Vulnerability from cvelistv5
Published
2019-05-28 02:05
Modified
2024-08-04 23:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
**DISPUTED** An issue was discovered in the efi subsystem in the Linux kernel through 5.1.5. phys_efi_set_virtual_address_map in arch/x86/platform/efi/efi.c and efi_call_phys_prolog in arch/x86/platform/efi/efi_64.c mishandle memory allocation failures. NOTE: This id is disputed as not being an issue because “All the code touched by the referenced commit runs only at boot, before any user processes are started. Therefore, there is no possibility for an unprivileged user to control it.”.
References
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CVE-2018-20836 (GCVE-0-2018-20836)
Vulnerability from cvelistv5
Published
2019-05-07 13:04
Modified
2024-08-05 12:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 4.20. There is a race condition in smp_task_timedout() and smp_task_done() in drivers/scsi/libsas/sas_expander.c, leading to a use-after-free.
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2019-12614 (GCVE-0-2019-12614)
Vulnerability from cvelistv5
Published
2019-06-03 21:58
Modified
2024-08-04 23:24
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in dlpar_parse_cc_property in arch/powerpc/platforms/pseries/dlpar.c in the Linux kernel through 5.1.6. There is an unchecked kstrdup of prop->name, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash).
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2019-10126 (GCVE-0-2019-10126)
Vulnerability from cvelistv5
Published
2019-06-14 13:56
Modified
2024-08-04 22:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in the Linux kernel. A heap based buffer overflow in mwifiex_uap_parse_tail_ies function in drivers/net/wireless/marvell/mwifiex/ie.c might lead to memory corruption and possibly other consequences.
References
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CVE-2019-12456 (GCVE-0-2019-12456)
Vulnerability from cvelistv5
Published
2019-05-30 11:38
Modified
2024-08-04 23:17
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the MPT3COMMAND case in _ctl_ioctl_main in drivers/scsi/mpt3sas/mpt3sas_ctl.c in the Linux kernel through 5.1.5. It allows local users to cause a denial of service or possibly have unspecified other impact by changing the value of ioc_number between two kernel reads of that value, aka a "double fetch" vulnerability. NOTE: a third party reports that this is unexploitable because the doubly fetched value is not used
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CVE-2019-11599 (GCVE-0-2019-11599)
Vulnerability from cvelistv5
Published
2019-04-29 17:07
Modified
2024-08-04 22:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The coredump implementation in the Linux kernel before 5.0.10 does not use locking or other mechanisms to prevent vma layout or vma flags changes while it runs, which allows local users to obtain sensitive information, cause a denial of service, or possibly have unspecified other impact by triggering a race condition with mmget_not_zero or get_task_mm calls. This is related to fs/userfaultfd.c, mm/mmap.c, fs/proc/task_mmu.c, and drivers/infiniband/core/uverbs_main.c.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2019-11487 (GCVE-0-2019-11487)
Vulnerability from cvelistv5
Published
2019-04-23 22:00
Modified
2024-08-04 22:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The Linux kernel before 5.1-rc5 allows page->_refcount reference count overflow, with resultant use-after-free issues, if about 140 GiB of RAM exists. This is related to fs/fuse/dev.c, fs/pipe.c, fs/splice.c, include/linux/mm.h, include/linux/pipe_fs_i.h, kernel/trace/trace.c, mm/gup.c, and mm/hugetlb.c. It can occur with FUSE requests.
References
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CVE-2019-10638 (GCVE-0-2019-10638)
Vulnerability from cvelistv5
Published
2019-07-05 22:07
Modified
2024-08-04 22:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel before 5.1.7, a device can be tracked by an attacker using the IP ID values the kernel produces for connection-less protocols (e.g., UDP and ICMP). When such traffic is sent to multiple destination IP addresses, it is possible to obtain hash collisions (of indices to the counter array) and thereby obtain the hashing key (via enumeration). An attack may be conducted by hosting a crafted web page that uses WebRTC or gQUIC to force UDP traffic to attacker-controlled IP addresses.
References
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CVE-2019-12818 (GCVE-0-2019-12818)
Vulnerability from cvelistv5
Published
2019-06-14 01:24
Modified
2024-08-04 23:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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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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