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ubuntuUbuntuUSN-4890-1
HistoryMar 29, 2021 - 12:00 a.m.

Linux kernel vulnerabilities

2021-03-2900:00:00
ubuntu.com
131

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

5.9 Medium

AI Score

Confidence

High

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:N/A:P

0.0005 Low

EPSS

Percentile

15.8%

JSON

Releases

  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Packages

  • linux - Linux kernel
  • linux-aws - Linux kernel for Amazon Web Services (AWS) systems
  • linux-aws-hwe - Linux kernel for Amazon Web Services (AWS-HWE) systems
  • linux-azure - Linux kernel for Microsoft Azure Cloud systems
  • linux-azure-4.15 - Linux kernel for Microsoft Azure Cloud systems
  • linux-dell300x - Linux kernel for Dell 300x platforms
  • linux-gcp - Linux kernel for Google Cloud Platform (GCP) systems
  • linux-gcp-4.15 - Linux kernel for Google Cloud Platform (GCP) systems
  • linux-hwe - Linux hardware enablement (HWE) kernel
  • linux-kvm - Linux kernel for cloud environments
  • linux-oracle - Linux kernel for Oracle Cloud systems
  • linux-raspi2 - Linux kernel for Raspberry Pi (V8) systems
  • linux-snapdragon - Linux kernel for Qualcomm Snapdragon processors

Details

Piotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not
properly compute a speculative execution limit on pointer arithmetic in
some situations. A local attacker could use this to expose sensitive
information (kernel memory). (CVE-2020-27171)

Piotr Krysiuk discovered that the BPF subsystem in the Linux kernel did not
properly apply speculative execution limits on some pointer types. A local
attacker could use this to expose sensitive information (kernel memory).
(CVE-2020-27170)

OSVersionArchitecturePackageVersionFilename
Ubuntu18.04noarchlinux-image-4.15.0-1015-dell300x< 4.15.0-1015.19UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1015-dell300x-dbgsym< 4.15.0-1015.19UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1068-oracle< 4.15.0-1068.76UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1068-oracle-dbgsym< 4.15.0-1068.76UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1082-raspi2< 4.15.0-1082.87UNKNOWN
Ubuntu18.04noarchlinux-buildinfo-4.15.0-1082-raspi2< 4.15.0-1082.87UNKNOWN
Ubuntu18.04noarchlinux-headers-4.15.0-1082-raspi2< 4.15.0-1082.87UNKNOWN
Ubuntu18.04noarchlinux-image-4.15.0-1082-raspi2-dbgsym< 4.15.0-1082.87UNKNOWN
Ubuntu18.04noarchlinux-modules-4.15.0-1082-raspi2< 4.15.0-1082.87UNKNOWN
Ubuntu18.04noarchlinux-raspi2-headers-4.15.0-1082< 4.15.0-1082.87UNKNOWN
Rows per page:
1-10 of 3821

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linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2 linux-snapdragon vulnerabilities
2021-03-29 16:28:58
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke-5.3, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe, linux-hwe-5.4, linux-hwe-5.8, linux-kvm, linux-oem-5.10, linux-oem-5.6, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4, linux-raspi2-5.3 vulnerabilities
2021-03-23 21:57:53
linux-4.19 - security update
2021-03-29 00:00:00
thn
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New Bugs Could Let Hackers Bypass Spectre Attack Mitigations On Linux Systems
2021-03-29 11:27:00
cloudfoundry
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USN-4890-1: Linux kernel vulnerabilities | Cloud Foundry
2021-04-14 00:00:00
nessus
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Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-4890-1)
2021-03-25 00:00:00
Fedora 33 : kernel (2021-e49da8a226)
2021-03-24 00:00:00
Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4887-1)
2021-03-24 00:00:00
fedora
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[SECURITY] Fedora 34 Update: kernel-5.11.8-300.fc34
2021-03-24 01:48:59
[SECURITY] Fedora 33 Update: kernel-5.11.8-200.fc33
2021-03-24 02:41:30
[SECURITY] Fedora 32 Update: kernel-5.11.10-100.fc32
2021-03-29 01:12:40
veracode
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Information Disclosure
2021-05-24 09:17:55
Denial Of Service (DoS)
2021-05-24 09:17:59
cbl_mariner
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CVE-2020-27170 affecting package kernel 5.10.78.1-1
2022-04-09 06:52:47
CVE-2020-27171 affecting package kernel 5.10.78.1-1
2022-04-09 06:52:47
CVE-2020-27171 affecting package kernel 5.10.189.1-1
2021-09-09 15:03:26
prion
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Integer overflow
2021-03-20 22:15:00
Design/Logic Flaw
2021-03-20 22:15:00
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CVE-2020-27171
2021-03-18 00:00:00
CVE-2020-27170
2021-03-18 00:00:00
cve
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CVE-2020-27170
2021-03-20 22:15:00
CVE-2020-27171
2021-03-20 22:15:00
redhatcve
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CVE-2020-27171
2021-03-19 10:55:22
CVE-2020-27170
2021-03-19 10:55:22
debiancve
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CVE-2020-27171
2021-03-20 22:15:00
CVE-2020-27170
2021-03-20 22:15:00
ubuntu
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Linux kernel vulnerabilities
2021-03-23 00:00:00
mageia
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Updated kernel packages fix security issues
2021-03-22 20:17:19
Updated kernel-linus packages fix security issues
2021-03-22 20:17:19
oraclelinux
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Unbreakable Enterprise kernel-container security update
2021-03-31 00:00:00
Unbreakable Enterprise kernel-container security update
2021-05-10 00:00:00
Unbreakable Enterprise kernel security update
2021-05-10 00:00:00
debian
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[SECURITY] [DLA 2610-1] linux-4.19 security update
2021-03-30 21:45:31
redhat
redhat
(RHSA-2021:2316) Important: kernel-rt security and bug fix update
2021-06-08 17:59:29
(RHSA-2021:2314) Important: kernel security and bug fix update
2021-06-08 17:59:02
(RHSA-2021:2461) Moderate: Red Hat Advanced Cluster Management 2.2.4 security and bug fix update
2021-06-16 15:19:08
centos
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bpftool, kernel, perf, python security update
2021-06-14 18:52:13
photon
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Important Photon OS Security Update - PHSA-2021-0210
2021-03-26 00:00:00
Important Photon OS Security Update - PHSA-2021-3.0-0210
2021-03-26 00:00:00
Critical Photon OS Security Update - PHSA-2021-4.0-0007
2021-04-03 00:00:00
suse
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Security update for the Linux Kernel (important)
2021-04-10 00:00:00
Security update for the Linux Kernel (important)
2021-05-22 00:00:00
Security update for the Linux Kernel (important)
2021-07-11 00:00:00
ibm
ibm
Security Bulletin: Linux Kernel as used by IBM QRadar SIEM contains multiple vulnerabilities
2021-12-03 18:41:49
Security Bulletin: Kernel as used by IBM QRadar Network Packet Capture contains multiple vulnerabilities
2021-10-14 20:23:25
Security Bulletin: IBM Data Risk Manager is affected by multiple vulnerabilities
2021-10-11 18:12:27
amazon
amazon
Important: kernel
2021-04-20 17:55:00

6 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

5.9 Medium

AI Score

Confidence

High

3.6 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:N/A:P

0.0005 Low

EPSS

Percentile

15.8%

JSON
Related for USN-4890-1
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