Vulnerability Name:

CVE-2021-44733 (CCN-215938)

Assigned:2021-07-21
Published:2021-07-21
Updated:2022-06-01
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.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.4 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
6.4 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.4 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-416
CWE-908
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-44733

Source: XF
Type: UNKNOWN
linux-kernel-cve202144733-code-exec(215938)

Source: CCN
Type: Linux Kernel GIT Repository
Linux Kernel

Source: MISC
Type: Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/tee/tee_shm.c

Source: MISC
Type: Exploit, Third Party Advisory
https://github.com/pjlantz/optee-qemu/blob/main/README.md

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update

Source: MISC
Type: Mailing List, Vendor Advisory
https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander@linaro.org/

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20220114-0003/

Source: DEBIAN
Type: Third Party Advisory
DSA-5096

Source: CCN
Type: IBM Security Bulletin 6596971 (Spectrum Protect Plus)
Multiple vulnerabilities in Linux Kernel affect IBM Spectrum Protect Plus

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version <= 5.15.11)

    • Configuration 2:
  • cpe:/o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netapp:baseboard_management_controller_h410c_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h410c:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netapp:baseboard_management_controller_h300s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h300s:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netapp:baseboard_management_controller_h500s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h500s:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netapp:baseboard_management_controller_h700s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h700s:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netapp:baseboard_management_controller_h300e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h300e:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netapp:baseboard_management_controller_h500e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h500e:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:netapp:baseboard_management_controller_h700e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h700e:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:netapp:baseboard_management_controller_h410s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:baseboard_management_controller_h410s:-:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::nfv:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::realtime:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:8::baseos:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.15.11:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:spectrum_protect_plus:10.1.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8029
    P
    		kernel-docs-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:7539
    P
    		kernel-64kb-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:8090
    P
    		reiserfs-kmp-default-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3398
    P
    		wpa_supplicant-2.6-15.10.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3448
    P
    		busybox-1.21.1-3.3 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3453
    P
    		clamav-0.101.3-1.19 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3567
    P
    		libXtst6-1.2.2-7.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95083
    P
    		kernel-azure-5.14.21-150400.12.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94590
    P
    		kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95197
    P
    		kernel-default-extra-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95028
    P
    		kernel-docs-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:2960
    P
    		kernel-64kb-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95078
    P
    		reiserfs-kmp-default-5.14.21-150400.22.1 on GA media (Moderate)
    2022-06-22
    oval:com.redhat.rhsa:def:20221975
    P
    		RHSA-2022:1975: kernel-rt security and bug fix update (Important)
    2022-05-10
    oval:com.redhat.rhsa:def:20221988
    P
    		RHSA-2022:1988: kernel security, bug fix, and enhancement update (Important)
    2022-05-10
    oval:org.opensuse.security:def:4740
    P
    		Security update for the Linux RT Kernel (Critical)
    2022-02-22
    oval:org.opensuse.security:def:125120
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:101851
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:99210
    P
    		 (Critical)
    2022-02-11
    oval:org.opensuse.security:def:42337
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:127358
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:1241
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:6159
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:100414
    P
    		 (Critical)
    2022-02-11
    oval:org.opensuse.security:def:1758
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:125394
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:101894
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:99484
    P
    		 (Critical)
    2022-02-11
    oval:org.opensuse.security:def:1418
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:102310
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:100748
    P
    		 (Critical)
    2022-02-11
    oval:org.opensuse.security:def:1812
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:125797
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:938
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:101998
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:99746
    P
    		 (Critical)
    2022-02-11
    oval:org.opensuse.security:def:102356
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:101630
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:126960
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:1189
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-11
    oval:org.opensuse.security:def:100076
    P
    		 (Critical)
    2022-02-11
    oval:org.opensuse.security:def:4677
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:6356
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:5341
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:1563
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:4304
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:102124
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:6158
    P
    		Security update for the Linux Kernel (Critical)
    2022-02-10
    oval:org.opensuse.security:def:1599
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:118439
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:102156
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:42191
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:42333
    P
    		Security update for the Linux Kernel (Important)
    2022-02-02
    oval:org.opensuse.security:def:119225
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:42189
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:118646
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:119415
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:118730
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:119600
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:118182
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:118920
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    BACK
    linux linux kernel *
    redhat enterprise linux 8.0
    fedoraproject fedora 35
    debian debian linux 9.0
    debian debian linux 10.0
    debian debian linux 11.0
    netapp baseboard management controller h410c firmware -
    netapp baseboard management controller h410c -
    netapp baseboard management controller h300s firmware -
    netapp baseboard management controller h300s -
    netapp baseboard management controller h500s firmware -
    netapp baseboard management controller h500s -
    netapp baseboard management controller h700s firmware -
    netapp baseboard management controller h700s -
    netapp baseboard management controller h300e firmware -
    netapp baseboard management controller h300e -
    netapp baseboard management controller h500e firmware -
    netapp baseboard management controller h500e -
    netapp baseboard management controller h700e firmware -
    netapp baseboard management controller h700e -
    netapp baseboard management controller h410s firmware -
    netapp baseboard management controller h410s -
    linux linux kernel 5.15.11
    ibm spectrum protect plus 10.1.0