CVE-2021-4135

Published on: Not Yet Published

Last Modified on: 07/20/2022 02:05:00 PM UTC

CVE-2021-4135

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Certain versions of Linux Kernel from Linux contain the following vulnerability:

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.

  • CVE-2021-4135 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.

CVSS3 Score: 5.5 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH NONE NONE

CVE References

Description Tags ⓘ Link
kernel/git/netdev/net.git - Netdev Group's networking tree git.kernel.org
text/html
 URL Logo MISC git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=481221775d53
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Related QID Numbers

  • 179117 Debian Security Update for linux (DSA 5096-1)
  • 179119 Debian Security Update for linux-4.19 (DLA 2941-1)
  • 179900 Debian Security Update for linux (CVE-2021-4135)
  • 198659 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5278-1)
  • 198708 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5337-1)
  • 198709 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5338-1)
  • 198731 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5368-1)
  • 198740 Ubuntu Security Notification for Linux kernel (BlueField) Vulnerabilities (USN-5377-1)
  • 353130 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-021
  • 353151 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-009
  • 376925 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0125)
  • 377124 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0029)
  • 377181 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX2-SA-2022:0022)
  • 671367 EulerOS Security Update for kernel (EulerOS-SA-2022-1308)
  • 671380 EulerOS Security Update for kernel (EulerOS-SA-2022-1292)
  • 671436 EulerOS Security Update for kernel (EulerOS-SA-2022-1352)
  • 671498 EulerOS Security Update for kernel (EulerOS-SA-2022-1466)
  • 671543 EulerOS Security Update for kernel (EulerOS-SA-2022-1475)
  • 751654 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0197-1)
  • 751657 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0198-1)
  • 751666 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0169-1)
  • 751696 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0364-1)
  • 751697 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0366-1)
  • 751701 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2022:0366-1)
  • 751703 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0372-1)
  • 751993 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0198-1)
  • 753194 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0288-1)
  • 753267 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0169-1)
  • 753462 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2022:0289-1)
  • 902526 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10137)
  • 903997 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10134-1)
  • 904149 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10137-1)
  • 906021 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10134-2)
  • 906429 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10137-2)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		LinuxLinux KernelAllAllAllAll
Operating
System		LinuxLinux Kernel5.16-AllAll
Operating
System		LinuxLinux Kernel5.16rc1AllAll
Operating
System		LinuxLinux Kernel5.16rc2AllAll
Operating
System		LinuxLinux Kernel5.16rc3AllAll
Operating
System		LinuxLinux Kernel5.16rc4AllAll
Operating
System		LinuxLinux Kernel5.16rc5AllAll
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:-:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc3:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc4:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.16:rc5:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @threatmeter CVE-2021-40450 Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-40449, CVE-2021-4135… twitter.com/i/web/status/1… 2021-10-14 07:09:39
Twitter Icon @threatmeter CVE-2021-40449 Win32k Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-40450, CVE-2021-4135… twitter.com/i/web/status/1… 2021-10-14 07:09:40
Twitter Icon @management_sun IT Risk: SUSE.Multiple vulnerabilities in the Linux Kernel -3/3 CVE-2021-4135 CVE-2021-4083 CVE-2021-4002 CVE-2021-4001 2022-01-27 07:36:09
Twitter Icon @management_sun IT Risk: Ubuntu.Linux kernel (OEM)に複数の脆弱性 -2/2 CVE-2021-39685 CVE-2021-4001 CVE-2021-4083 CVE-2021-4135 CVE-2021-41… twitter.com/i/web/status/1… 2022-02-09 11:40:41
Twitter Icon @management_sun IT Risk: Tenable.Nessusに複数の脆弱性 CVSS v3:9.8(MAX) -2/2 CVE-2021-4001 CVE-2021-4083 CVE-2021-4135 CVE-2021-4155 CVE-20… twitter.com/i/web/status/1… 2022-02-09 11:51:33
Twitter Icon @softek_jp Linux Kernel の netdevsim ドライバの処理に情報漏洩の問題 (CVE-2021-4135) [41283] sid.softek.jp/content/show/4… #SIDfm #脆弱性情報 2022-02-10 05:35:09
Twitter Icon @management_sun IT Risk: SUSE.Linux Kernelに複数の脆弱性 -2/3 CVE-2021-4159 CVE-2021-4149 CVE-2021-4135 CVE-2021-4083 CVE-2021-4002 CVE-20… twitter.com/i/web/status/1… 2022-02-11 08:14:00
Twitter Icon @CVEreport CVE-2021-4135 : A memory leak vulnerability was found in the #Linux #kernel's eBPF for the Simulated networking dev… twitter.com/i/web/status/1… 2022-07-14 20:06:49
Reddit Logo Icon /r/netcve CVE-2021-4135 2022-07-14 20:38:23
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