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CERTFR-2022-AVI-140
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans le noyau Linux d'Ubuntu. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service et une atteinte à l'intégrité des données.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Ubuntu 18.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 21.10",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"scada": false
}
}
},
{
"description": "Ubuntu 20.04 LTS",
"product": {
"name": "Ubuntu",
"vendor": {
"name": "Ubuntu",
"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-2022-24122",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-24122"
},
{
"name": "CVE-2021-45095",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45095"
},
{
"name": "CVE-2022-21813",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21813"
},
{
"name": "CVE-2021-4001",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4001"
},
{
"name": "CVE-2021-43975",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-43975"
},
{
"name": "CVE-2021-4135",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4135"
},
{
"name": "CVE-2021-28713",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28713"
},
{
"name": "CVE-2021-4083",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4083"
},
{
"name": "CVE-2022-0330",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0330"
},
{
"name": "CVE-2022-0264",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0264"
},
{
"name": "CVE-2021-44733",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-44733"
},
{
"name": "CVE-2020-27820",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-27820"
},
{
"name": "CVE-2021-45480",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-45480"
},
{
"name": "CVE-2022-22942",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-22942"
},
{
"name": "CVE-2021-3640",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3640"
},
{
"name": "CVE-2021-4155",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4155"
},
{
"name": "CVE-2021-42739",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-42739"
},
{
"name": "CVE-2021-3752",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-3752"
},
{
"name": "CVE-2021-22600",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-22600"
},
{
"name": "CVE-2021-39685",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-39685"
},
{
"name": "CVE-2022-0382",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-0382"
},
{
"name": "CVE-2021-28714",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28714"
},
{
"name": "CVE-2022-21814",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-21814"
},
{
"name": "CVE-2021-28715",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-28715"
},
{
"name": "CVE-2021-4197",
"url": "https://www.cve.org/CVERecord?id=CVE-2021-4197"
},
{
"name": "CVE-2022-23222",
"url": "https://www.cve.org/CVERecord?id=CVE-2022-23222"
}
],
"initial_release_date": "2022-02-11T00:00:00",
"last_revision_date": "2022-02-11T00:00:00",
"links": [],
"reference": "CERTFR-2022-AVI-140",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2022-02-11T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"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\nd\u0027Ubuntu. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer\nune ex\u00e9cution de code arbitraire, un d\u00e9ni de service et une atteinte \u00e0\nl\u0027int\u00e9grit\u00e9 des donn\u00e9es.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans le noyau Linux d\u0027Ubuntu",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5276-1 du 08 f\u00e9vrier 2022",
"url": "https://ubuntu.com/security/notices/USN-5276-1"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5267-2 du 10 f\u00e9vrier 2022",
"url": "https://ubuntu.com/security/notices/USN-5267-2"
},
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Ubuntu USN-5278-1 du 09 f\u00e9vrier 2022",
"url": "https://ubuntu.com/security/notices/USN-5278-1"
}
]
}
CVE-2021-4155 (GCVE-0-2021-4155)
Vulnerability from cvelistv5
Published
2022-08-24 15:10
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-131 - - Incorrect Calculation of Buffer Size
Summary
A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2021-45480 (GCVE-0-2021-45480)
Vulnerability from cvelistv5
Published
2021-12-24 22:55
Modified
2024-08-04 04:39
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in the Linux kernel before 5.15.11. There is a memory leak in the __rds_conn_create() function in net/rds/connection.c in a certain combination of circumstances.
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||
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CVE-2021-42739 (GCVE-0-2021-42739)
Vulnerability from cvelistv5
Published
2021-10-20 00:00
Modified
2024-08-04 03:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The firewire subsystem in the Linux kernel through 5.14.13 has a buffer overflow related to drivers/media/firewire/firedtv-avc.c and drivers/media/firewire/firedtv-ci.c, because avc_ca_pmt mishandles bounds checking.
References
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CVE-2021-4001 (GCVE-0-2021-4001)
Vulnerability from cvelistv5
Published
2022-01-21 00:00
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A race condition was found in the Linux kernel's ebpf verifier between bpf_map_update_elem and bpf_map_freeze due to a missing lock in kernel/bpf/syscall.c. In this flaw, a local user with a special privilege (cap_sys_admin or cap_bpf) can modify the frozen mapped address space. This flaw affects kernel versions prior to 5.16 rc2.
References
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CVE-2022-24122 (GCVE-0-2022-24122)
Vulnerability from cvelistv5
Published
2022-01-29 21:33
Modified
2024-08-03 03:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
kernel/ucount.c in the Linux kernel 5.14 through 5.16.4, when unprivileged user namespaces are enabled, allows a use-after-free and privilege escalation because a ucounts object can outlive its namespace.
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-21813 (GCVE-0-2022-21813)
Vulnerability from cvelistv5
Published
2022-02-07 00:00
Modified
2024-08-03 02:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-284 - Improper Access Control
Summary
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NVIDIA | NVIDIA GPU Display Driver |
Version: All GPU Driver versions for Linux |
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CVE-2021-22600 (GCVE-0-2021-22600)
Vulnerability from cvelistv5
Published
2022-01-26 00:00
Modified
2025-07-30 01:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-415 - Double Free
Summary
A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux Kernel | Kernel |
Version: unspecified < 5.4.168 Version: unspecified < 5.10.88 Version: unspecified < 5.15.11 Version: unspecified < 5.16-rc6 |
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CVE-2021-3640 (GCVE-0-2021-3640)
Vulnerability from cvelistv5
Published
2022-03-03 22:04
Modified
2024-08-03 17:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'), CWE-416 - Use After Free.
Summary
A flaw use-after-free in function sco_sock_sendmsg() of the Linux kernel HCI subsystem was found in the way user calls ioct UFFDIO_REGISTER or other way triggers race condition of the call sco_conn_del() together with the call sco_sock_sendmsg() with the expected controllable faulting memory page. A privileged local user could use this flaw to crash the system or escalate their privileges on the system.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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|||||||||||||||||||||||||||||
Impacted products
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CVE-2020-27820 (GCVE-0-2020-27820)
Vulnerability from cvelistv5
Published
2021-11-02 23:26
Modified
2024-08-04 16:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability was found in Linux kernel, where a use-after-frees in nouveau's postclose() handler could happen if removing device (that is not common to remove video card physically without power-off, but same happens if "unbind" the driver).
References
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CVE-2021-4135 (GCVE-0-2021-4135)
Vulnerability from cvelistv5
Published
2022-07-14 19:30
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.
References
| URL | Tags | |
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Impacted products
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CVE-2022-22942 (GCVE-0-2022-22942)
Vulnerability from cvelistv5
Published
2023-12-13 08:16
Modified
2024-08-03 03:28
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Privilege escalation
Summary
The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling 'file' pointer.
References
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CVE-2021-43975 (GCVE-0-2021-43975)
Vulnerability from cvelistv5
Published
2021-11-17 16:32
Modified
2024-08-04 04:10
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.
References
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CVE-2021-39685 (GCVE-0-2021-39685)
Vulnerability from cvelistv5
Published
2022-03-16 14:04
Modified
2024-08-04 02:13
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Elevation of privilege
Summary
In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210292376References: Upstream kernel
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CVE-2021-4197 (GCVE-0-2021-4197)
Vulnerability from cvelistv5
Published
2022-03-23 19:46
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An unprivileged write to the file handler flaw in the Linux kernel's control groups and namespaces subsystem was found in the way users have access to some less privileged process that are controlled by cgroups and have higher privileged parent process. It is actually both for cgroup2 and cgroup1 versions of control groups. A local user could use this flaw to crash the system or escalate their privileges on the system.
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CVE-2021-28715 (GCVE-0-2021-28715)
Vulnerability from cvelistv5
Published
2022-01-06 17:06
Modified
2025-05-22 18:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
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CVE-2021-28713 (GCVE-0-2021-28713)
Vulnerability from cvelistv5
Published
2022-01-05 16:10
Modified
2024-08-03 21:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Rogue backends can cause DoS of guests via high frequency events T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Xen offers the ability to run PV backends in regular unprivileged guests, typically referred to as "driver domains". Running PV backends in driver domains has one primary security advantage: if a driver domain gets compromised, it doesn't have the privileges to take over the system. However, a malicious driver domain could try to attack other guests via sending events at a high frequency leading to a Denial of Service in the guest due to trying to service interrupts for elongated amounts of time. There are three affected backends: * blkfront patch 1, CVE-2021-28711 * netfront patch 2, CVE-2021-28712 * hvc_xen (console) patch 3, CVE-2021-28713
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CVE-2021-45095 (GCVE-0-2021-45095)
Vulnerability from cvelistv5
Published
2021-12-16 03:37
Modified
2024-08-04 04:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
pep_sock_accept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.
References
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CVE-2022-0264 (GCVE-0-2022-0264)
Vulnerability from cvelistv5
Published
2022-02-04 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A vulnerability was found in the Linux kernel's eBPF verifier when handling internal data structures. Internal memory locations could be returned to userspace. A local attacker with the permissions to insert eBPF code to the kernel can use this to leak internal kernel memory details defeating some of the exploit mitigations in place for the kernel. This flaws affects kernel versions < v5.16-rc6
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CVE-2022-21814 (GCVE-0-2022-21814)
Vulnerability from cvelistv5
Published
2022-02-07 00:00
Modified
2024-08-03 02:53
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-280 - Improper Handling of Insufficient Permissions or Privileges
Summary
NVIDIA GPU Display Driver for Linux contains a vulnerability in the kernel driver package, where improper handling of insufficient permissions or privileges may allow an unprivileged local user limited write access to protected memory, which can lead to denial of service.
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NVIDIA | NVIDIA GPU Display Driver |
Version: All GPU Drivers for Linux |
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CVE-2022-0382 (GCVE-0-2022-0382)
Vulnerability from cvelistv5
Published
2022-02-11 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
An information leak flaw was found due to uninitialized memory in the Linux kernel's TIPC protocol subsystem, in the way a user sends a TIPC datagram to one or more destinations. This flaw allows a local user to read some kernel memory. This issue is limited to no more than 7 bytes, and the user cannot control what is read. This flaw affects the Linux kernel versions prior to 5.17-rc1.
References
Impacted products
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CVE-2021-4083 (GCVE-0-2021-4083)
Vulnerability from cvelistv5
Published
2022-01-18 16:51
Modified
2024-08-03 17:16
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-28714 (GCVE-0-2021-28714)
Vulnerability from cvelistv5
Published
2022-01-06 17:06
Modified
2024-08-03 21:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- unknown
Summary
Guest can force Linux netback driver to hog large amounts of kernel memory T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] Incoming data packets for a guest in the Linux kernel's netback driver are buffered until the guest is ready to process them. There are some measures taken for avoiding to pile up too much data, but those can be bypassed by the guest: There is a timeout how long the client side of an interface can stop consuming new packets before it is assumed to have stalled, but this timeout is rather long (60 seconds by default). Using a UDP connection on a fast interface can easily accumulate gigabytes of data in that time. (CVE-2021-28715) The timeout could even never trigger if the guest manages to have only one free slot in its RX queue ring page and the next package would require more than one free slot, which may be the case when using GSO, XDP, or software hashing. (CVE-2021-28714)
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2021-3752 (GCVE-0-2021-3752)
Vulnerability from cvelistv5
Published
2022-02-16 18:35
Modified
2024-08-03 17:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
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CVE-2022-0330 (GCVE-0-2022-0330)
Vulnerability from cvelistv5
Published
2022-03-25 00:00
Modified
2024-08-02 23:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw allows a local user to crash the system or escalate their privileges on the system.
References
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CVE-2021-44733 (GCVE-0-2021-44733)
Vulnerability from cvelistv5
Published
2021-12-22 00:00
Modified
2024-08-04 04:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.
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CVE-2022-23222 (GCVE-0-2022-23222)
Vulnerability from cvelistv5
Published
2022-01-14 00:00
Modified
2024-08-03 03:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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{
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{
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{
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],
"title": "CVE Program Container"
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],
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{
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"datePublished": "2022-01-14T00:00:00",
"dateReserved": "2022-01-14T00:00:00",
"dateUpdated": "2024-08-03T03:36:20.302Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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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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