CVE-2021-3764

Published on: Not Yet Published

Last Modified on: 08/25/2022 02:33:00 AM UTC

CVE-2021-3764

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

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

A memory leak flaw was found in the Linux kernel's ccp_run_aes_gcm_cmd() function that allows an attacker to cause a denial of service. The vulnerability is similar to the older CVE-2019-18808. The highest threat from this vulnerability is to system availability.

  • CVE-2021-3764 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 NONE NONE HIGH

CVE References

Description Tags ⓘ Link
Red Hat Customer Portal - Access to 24x7 support and knowledge access.redhat.com
text/html
 URL Logo MISC access.redhat.com/security/cve/CVE-2021-3764
1997467 – (CVE-2021-3764) CVE-2021-3764 kernel: DoS in ccp_run_aes_gcm_cmd() function bugzilla.redhat.com
text/html
 URL Logo MISC bugzilla.redhat.com/show_bug.cgi?id=1997467
crypto: ccp - fix resource leaks in ccp_run_aes_gcm_cmd() · torvalds/[email protected] · GitHub github.com
text/html
 URL Logo MISC github.com/torvalds/linux/commit/505d9dcb0f7ddf9d075e729523a33d38642ae680
CVE-2021-3764 security-tracker.debian.org
text/html
 URL Logo MISC security-tracker.debian.org/tracker/CVE-2021-3764
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Related QID Numbers

  • 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
  • 179117 Debian Security Update for linux (DSA 5096-1)
  • 179119 Debian Security Update for linux-4.19 (DLA 2941-1)
  • 179830 Debian Security Update for linux (CVE-2021-3764)
  • 198567 Ubuntu Security Notification for Linux kernel (OEM 5.14) Vulnerabilities (USN-5140-1)
  • 198569 Ubuntu Security Notification for Linux kernel (OEM 5.10) Vulnerabilities (USN-5139-1)
  • 198585 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5164-1)
  • 198586 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5162-1)
  • 198587 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5163-1)
  • 198588 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5161-1)
  • 240275 Red Hat Update for kernel-rt (RHSA-2022:1975)
  • 240298 Red Hat Update for kernel security (RHSA-2022:1988)
  • 352869 Amazon Linux Security Advisory for kernel: ALAS2-2021-1719
  • 353142 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-009
  • 353153 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-007
  • 353989 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-027
  • 354000 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-029
  • 354013 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-031
  • 671219 EulerOS Security Update for kernel (EulerOS-SA-2022-1030)
  • 671225 EulerOS Security Update for kernel (EulerOS-SA-2022-1010)
  • 671268 EulerOS Security Update for kernel (EulerOS-SA-2022-1196)
  • 671288 EulerOS Security Update for kernel (EulerOS-SA-2022-1227)
  • 671304 EulerOS Security Update for kernel (EulerOS-SA-2022-1208)
  • 751214 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3389-1)
  • 751215 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3386-1)
  • 751217 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3387-1)
  • 751223 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3338-1)
  • 751234 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1357-1)
  • 751235 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3447-1)
  • 751245 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1365-1)
  • 751437 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3876-1)
  • 751441 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3876-1)
  • 751473 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3969-1)
  • 751476 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:3972-1)
  • 902779 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10623)
  • 903975 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10623-1)
  • 905846 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (10623-2)
  • 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System		LinuxLinux Kernel5.15-AllAll
Operating
System		LinuxLinux Kernel5.15rc1AllAll
Operating
System		LinuxLinux Kernel5.15rc2AllAll
Operating
System		LinuxLinux Kernel5.15rc3AllAll
Operating
System		LinuxLinux KernelAllAllAllAll
  • cpe:2.3:o:linux:linux_kernel:5.15:-:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.15:rc2:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:5.15:rc3:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @management_sun IT Risk:SUSE.Linux Kernelに複数の脆弱性 -1/2 利用者アカウントの特権への昇格 サービス拒否 機密データへのアクセスされる可能性 CVE-2021-40490 CVE-2021-3764 CVE-202… twitter.com/i/web/status/1… 2021-10-15 04:12:02
Twitter Icon @softek_jp Linux Kernel の AMD CCP ドライバの処理にサービスを妨害される問題 (CVE-2021-3764) [40418] sid.softek.jp/content/show/4… #SIDfm #脆弱性情報 2021-11-05 06:31:13
Twitter Icon @management_sun IT Risk: SUSE.Linux Kernelに複数の脆弱性 -3/4 CVE-2021-20320 CVE-2021-3772 CVE-2021-3764 CVE-2021-3760 CVE-2021-3753 CVE-2… twitter.com/i/web/status/1… 2021-12-08 04:04:32
Twitter Icon @management_sun IT Risk: SUSE.Linux Kernelに複数の脆弱性 -3/4 CVE-2021-20322 CVE-2021-3772 CVE-2021-3764 CVE-2021-3760 CVE-2021-3759 CVE-2… twitter.com/i/web/status/1… 2021-12-08 23:43:51
Twitter Icon @management_sun IT Risk: SUSE.Multiple vulnerabilities in the Linux Kernel -3/4 CVE-2021-20322 CVE-2021-3772 CVE-2021-3764 CVE-2021… twitter.com/i/web/status/1… 2021-12-08 23:46:38
Twitter Icon @CVEreport CVE-2021-3764 : A memory leak flaw was found in the #Linux #kernel's ccp_run_aes_gcm_cmd function that allows an… twitter.com/i/web/status/1… 2022-08-23 16:13:58
Reddit Logo Icon /r/netcve CVE-2021-3764 2022-08-23 17:39:04
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