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CERTFR-2020-AVI-256
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 une exécution de code arbitraire, un déni de service et une atteinte à la confidentialité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
| Vendor | Product | Description | ||
|---|---|---|---|---|
| SUSE | N/A | SUSE Linux Enterprise High Availability 12-SP5 | ||
| SUSE | SUSE Linux Enterprise Live Patching | SUSE Linux Enterprise Live Patching 12-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Legacy Software 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Development Tools 15-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Software Development Kit 12-SP5 | ||
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server 12-SP5 | ||
| SUSE | N/A | SUSE Linux Enterprise Software Development Kit 12-SP4 | ||
| 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-SP1 | ||
| SUSE | N/A | SUSE Linux Enterprise Module for Open Buildservice Development Tools 15-SP1 | ||
| SUSE | SUSE Linux Enterprise Server | SUSE Linux Enterprise Server 12-SP4 | ||
| 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 Workstation Extension 12-SP5 |
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "SUSE Linux Enterprise High Availability 12-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Live Patching 12-SP5",
"product": {
"name": "SUSE Linux Enterprise Live Patching",
"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 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-SP5",
"product": {
"name": "N/A",
"vendor": {
"name": "SUSE",
"scada": false
}
}
},
{
"description": "SUSE Linux Enterprise Server 12-SP5",
"product": {
"name": "SUSE Linux Enterprise Server",
"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 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-SP1",
"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 Linux Enterprise Server 12-SP4",
"product": {
"name": "SUSE Linux Enterprise Server",
"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 Workstation Extension 12-SP5",
"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-2020-11669",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-11669"
},
{
"name": "CVE-2020-11494",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-11494"
},
{
"name": "CVE-2020-8649",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-8649"
},
{
"name": "CVE-2018-20836",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-20836"
},
{
"name": "CVE-2020-9383",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-9383"
},
{
"name": "CVE-2020-10942",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-10942"
},
{
"name": "CVE-2019-9458",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-9458"
},
{
"name": "CVE-2020-2732",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-2732"
},
{
"name": "CVE-2019-3701",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-3701"
},
{
"name": "CVE-2019-19770",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-19770"
},
{
"name": "CVE-2020-8647",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-8647"
},
{
"name": "CVE-2020-8834",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-8834"
},
{
"name": "CVE-2019-19768",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-19768"
}
],
"initial_release_date": "2020-04-30T00:00:00",
"last_revision_date": "2020-04-30T00:00:00",
"links": [],
"reference": "CERTFR-2020-AVI-256",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2020-04-30T00:00:00.000000"
}
],
"risks": [
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
},
{
"description": "\u00c9l\u00e9vation de privil\u00e8ges"
}
],
"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 une\nex\u00e9cution de code arbitraire, un d\u00e9ni de service et une atteinte \u00e0 la\nconfidentialit\u00e9 des donn\u00e9es.\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-2020:1146-1 du 30 avril 2020",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201146-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2020:1141-1 du 30 avril 2020",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201141-1/"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 SUSE SUSE-SU-2020:1142-1 du 30 avril 2020",
"url": "https://www.suse.com/support/update/announcement/2020/suse-su-20201142-1/"
}
]
}
CVE-2020-11669 (GCVE-0-2020-11669)
Vulnerability from cvelistv5
Published
2020-04-10 14:40
Modified
2024-08-04 11:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 5.2 on the powerpc platform. arch/powerpc/kernel/idle_book3s.S does not have save/restore functionality for PNV_POWERSAVE_AMR, PNV_POWERSAVE_UAMOR, and PNV_POWERSAVE_AMOR, aka CID-53a712bae5dd.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||
{
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"url": "https://security.netapp.com/advisory/ntap-20200430-0001/"
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},
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"url": "https://security.netapp.com/advisory/ntap-20200430-0001/"
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CVE-2020-10942 (GCVE-0-2020-10942)
Vulnerability from cvelistv5
Published
2020-03-24 21:03
Modified
2024-08-04 11:21
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel before 5.5.8, get_raw_socket in drivers/vhost/net.c lacks validation of an sk_family field, which might allow attackers to trigger kernel stack corruption via crafted system calls.
References
{
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"url": "https://git.kernel.org/linus/42d84c8490f9f0931786f1623191fcab397c3d64"
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},
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],
"url": "https://security.netapp.com/advisory/ntap-20200403-0003/"
},
{
"name": "[oss-security] 20200415 CVE-2020-10942 Kernel: vhost-net: stack overflow in get_raw_socket while checking sk_family field",
"tags": [
"mailing-list",
"x_refsource_MLIST",
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"url": "http://www.openwall.com/lists/oss-security/2020/04/15/4"
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"url": "http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html"
},
{
"name": "DSA-4667",
"tags": [
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"x_refsource_DEBIAN",
"x_transferred"
],
"url": "https://www.debian.org/security/2020/dsa-4667"
},
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"name": "USN-4344-1",
"tags": [
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"x_refsource_UBUNTU",
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],
"url": "https://usn.ubuntu.com/4344-1/"
},
{
"name": "USN-4345-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "https://usn.ubuntu.com/4345-1/"
},
{
"name": "USN-4342-1",
"tags": [
"vendor-advisory",
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"x_transferred"
],
"url": "https://usn.ubuntu.com/4342-1/"
},
{
"name": "USN-4364-1",
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CVE-2020-8647 (GCVE-0-2020-8647)
Vulnerability from cvelistv5
Published
2020-02-06 00:06
Modified
2024-08-04 10:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vc_do_resize function in drivers/tty/vt/vt.c.
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CVE-2020-11494 (GCVE-0-2020-11494)
Vulnerability from cvelistv5
Published
2020-04-02 20:14
Modified
2024-08-04 11:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2020-8649 (GCVE-0-2020-8649)
Vulnerability from cvelistv5
Published
2020-02-06 00:06
Modified
2024-08-04 10:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-8834 (GCVE-0-2020-8834)
Vulnerability from cvelistv5
Published
2020-04-09 22:10
Modified
2024-09-16 22:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
KVM in the Linux kernel on Power8 processors has a conflicting use of HSTATE_HOST_R1 to store r1 state in kvmppc_hv_entry plus in kvmppc_{save,restore}_tm, leading to a stack corruption. Because of this, an attacker with the ability run code in kernel space of a guest VM can cause the host kernel to panic. There were two commits that, according to the reporter, introduced the vulnerability: f024ee098476 ("KVM: PPC: Book3S HV: Pull out TM state save/restore into separate procedures") 87a11bb6a7f7 ("KVM: PPC: Book3S HV: Work around XER[SO] bug in fake suspend mode") The former landed in 4.8, the latter in 4.17. This was fixed without realizing the impact in 4.18 with the following three commits, though it's believed the first is the only strictly necessary commit: 6f597c6b63b6 ("KVM: PPC: Book3S PR: Add guest MSR parameter for kvmppc_save_tm()/kvmppc_restore_tm()") 7b0e827c6970 ("KVM: PPC: Book3S HV: Factor fake-suspend handling out of kvmppc_save/restore_tm") 009c872a8bc4 ("KVM: PPC: Book3S PR: Move kvmppc_save_tm/kvmppc_restore_tm to separate file")
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux kernel | Linux kernel |
Version: 4.8 < unspecified Version: unspecified < 4.18 |
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"value": "KVM in the Linux kernel on Power8 processors has a conflicting use of HSTATE_HOST_R1 to store r1 state in kvmppc_hv_entry plus in kvmppc_{save,restore}_tm, leading to a stack corruption. Because of this, an attacker with the ability run code in kernel space of a guest VM can cause the host kernel to panic. There were two commits that, according to the reporter, introduced the vulnerability: f024ee098476 (\"KVM: PPC: Book3S HV: Pull out TM state save/restore into separate procedures\") 87a11bb6a7f7 (\"KVM: PPC: Book3S HV: Work around XER[SO] bug in fake suspend mode\") The former landed in 4.8, the latter in 4.17. This was fixed without realizing the impact in 4.18 with the following three commits, though it\u0027s believed the first is the only strictly necessary commit: 6f597c6b63b6 (\"KVM: PPC: Book3S PR: Add guest MSR parameter for kvmppc_save_tm()/kvmppc_restore_tm()\") 7b0e827c6970 (\"KVM: PPC: Book3S HV: Factor fake-suspend handling out of kvmppc_save/restore_tm\") 009c872a8bc4 (\"KVM: PPC: Book3S PR: Move kvmppc_save_tm/kvmppc_restore_tm to separate file\")"
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"scope": "CHANGED",
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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.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
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CVE-2020-9383 (GCVE-0-2020-9383)
Vulnerability from cvelistv5
Published
2020-02-25 15:48
Modified
2024-08-04 10:26
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel 3.16 through 5.5.6. set_fdc in drivers/block/floppy.c leads to a wait_til_ready out-of-bounds read because the FDC index is not checked for errors before assigning it, aka CID-2e90ca68b0d2.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||
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CVE-2019-9458 (GCVE-0-2019-9458)
Vulnerability from cvelistv5
Published
2019-09-06 21:49
Modified
2024-08-04 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Elevation of privilege
Summary
In the Android kernel in the video driver there is a use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References
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|---|---|---|---|---|---|---|---|---|
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CVE-2019-3701 (GCVE-0-2019-3701)
Vulnerability from cvelistv5
Published
2019-01-03 16:00
Modified
2024-08-04 19:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in can_can_gw_rcv in net/can/gw.c in the Linux kernel through 4.19.13. The CAN frame modification rules allow bitwise logical operations that can be also applied to the can_dlc field. The privileged user "root" with CAP_NET_ADMIN can create a CAN frame modification rule that makes the data length code a higher value than the available CAN frame data size. In combination with a configured checksum calculation where the result is stored relatively to the end of the data (e.g. cgw_csum_xor_rel) the tail of the skb (e.g. frag_list pointer in skb_shared_info) can be rewritten which finally can cause a system crash. Because of a missing check, the CAN drivers may write arbitrary content beyond the data registers in the CAN controller's I/O memory when processing can-gw manipulated outgoing frames.
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CVE-2019-19770 (GCVE-0-2019-19770)
Vulnerability from cvelistv5
Published
2019-12-12 19:39
Modified
2024-08-05 02:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel 4.19.83, there is a use-after-free (read) in the debugfs_remove function in fs/debugfs/inode.c (which is used to remove a file or directory in debugfs that was previously created with a call to another debugfs function such as debugfs_create_file). NOTE: Linux kernel developers dispute this issue as not being an issue with debugfs, instead this is an issue with misuse of debugfs within blktrace
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2020-2732 (GCVE-0-2020-2732)
Vulnerability from cvelistv5
Published
2020-04-08 21:10
Modified
2024-09-30 15:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Difficult to exploit vulnerability allows low privileged attacker with network access via multiple protocols to compromise Linux server. Successful attacks of this vulnerability can result in authorized ability to cause a hang or frequently repeatable crash (complete DOS) of Linux Server.
Summary
A flaw was discovered in the way that the KVM hypervisor handled instruction emulation for an L2 guest when nested virtualisation is enabled. Under some circumstances, an L2 guest may trick the L0 guest into accessing sensitive L1 resources that should be inaccessible to the L2 guest.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Oracle Corporation | Oracle Linux |
Version: 7 Version: 6 |
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CVE-2019-19768 (GCVE-0-2019-19768)
Vulnerability from cvelistv5
Published
2019-12-12 19:38
Modified
2024-08-05 02:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
References
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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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