Vulnerability Name:

CVE-2020-27820 (CCN-211325)

Assigned:2020-11-02
Published:2020-11-02
Updated:2023-02-12
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).
CVSS v3 Severity:4.7 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
4.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.6 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
4.1 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H)
3.6 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.7 Medium (CVSS v2 Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
3.8 Low (CCN CVSS v2 Vector: AV:L/AC:H/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-416
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-27820

Source: CCN
Type: Red Hat Bugzilla – Bug 1901726
(CVE-2020-27820) - CVE-2020-27820 kernel: use-after-free in nouveau kernel module

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
linux-kernel-cve202027820-dos(211325)

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Source: secalert@redhat.com
Type: UNKNOWN
secalert@redhat.com

Vulnerable Configuration: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:-:*:*:*:*:*:*:*

    • * 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:7712
    P
    		libzzip-0-13-0.13.69-3.10.1 on GA media (Moderate)
    2023-06-12
    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:7720
    P
    		mozilla-nspr-32bit-4.34.1-150000.3.26.1 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:7593
    P
    		libgstphotography-1_0-0-1.22.0-150500.1.3 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3743
    P
    		perl-32bit-5.18.2-12.20.1 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:3398
    P
    		wpa_supplicant-2.6-15.10.1 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:20221988
    P
    		RHSA-2022:1988: kernel security, bug fix, and enhancement update (Important)
    2022-05-10
    oval:org.opensuse.security:def:4601
    P
    		Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP5) (Important)
    2022-05-10
    oval:com.redhat.rhsa:def:20221975
    P
    		RHSA-2022:1975: kernel-rt security and bug fix update (Important)
    2022-05-10
    oval:org.opensuse.security:def:125394
    P
    		Security update for the Linux Kernel (Important)
    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:126960
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125120
    P
    		Security update for the Linux Kernel (Important)
    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: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:42189
    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
    oval:org.opensuse.security:def:119225
    P
    		Security update for the Linux Kernel (Important)
    2022-01-26
    oval:org.opensuse.security:def:100400
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:1748
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:101892
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:99472
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:1316
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:102306
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:100734
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:1799
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:859
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:101969
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:99734
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:102351
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:101590
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:42268
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:1159
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:100062
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:101837
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:99198
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:1232
    P
    		Security update for the Linux Kernel (Important)
    2022-01-19
    oval:org.opensuse.security:def:4742
    P
    		Security update for the Linux Kernel (Important)
    2022-01-17
    oval:org.opensuse.security:def:21845
    P
    		Security update for the Linux Kernel (Important)
    2022-01-17
    oval:org.opensuse.security:def:102159
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:6188
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:34682
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:68809
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:1602
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:42355
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:60505
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:26227
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:19626
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:61117
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6359
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:34681
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:5357
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:20589
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:4305
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:60504
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6177
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:4701
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:35294
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6299
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:76456
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:68682
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:111873
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:67388
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:44822
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:1564
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:102125
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:40392
    P
    		Security update for the Linux Kernel (Important)
    2022-01-11
    oval:org.opensuse.security:def:10710
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:70850
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:111858
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:67377
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:73954
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:6491
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:64832
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:74758
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:7298
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:67580
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:8402
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:6288
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:65690
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:76445
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:68387
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-07
    oval:org.opensuse.security:def:42150
    P
    		Security update for the Linux RT Kernel (Important)
    2021-12-09
    oval:org.opensuse.security:def:95964
    P
    		Security update for the Linux RT Kernel (Important)
    2021-12-09
    oval:org.opensuse.security:def:68801
    P
    		Security update for the Linux RT Kernel (Important)
    2021-12-09
    oval:org.opensuse.security:def:102677
    P
    		Security update for the Linux RT Kernel (Important)
    2021-12-09
    oval:org.opensuse.security:def:109343
    P
    		Security update for the Linux RT Kernel (Important)
    2021-12-09
    oval:org.opensuse.security:def:118434
    P
    		Security update for the Linux RT Kernel (Important)
    2021-12-09
    BACK
    linux linux kernel -