CVE-2022-21123

Description

Incomplete cleanup of multi-core shared buffers for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS Metrics

• v4.0•LOW•Score: 2CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
• v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
• v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N

EPSS Trends

Current EPSS score: 6.16%• Percentile: 93%

Techniques & Countermeasures

• CWE-459•Incomplete Cleanup

  The product does not properly "clean up" and remove temporary or supporting resources after they have been used.

Affected Systems

• alpine•xen

  < 4.14.5-r2 | < 4.15.2-r2 | < 4.15.2-r2 | < 4.16.1-r2 | < 4.16.1-r3 | < 4.16.1-r3 | < 4.16.1-r3 | < 4.16.1-r3 | < 4.16.1-r3 | < 4.16.1-r3 | < 4.16.1-r3 | < 4.16.1-r3

• debian•intel-microcode

  < 3.20220510.1~deb11u1 | < 3.20220510.1 | < 3.20220510.1 | < 3.20220510.1

• debian•linux

  < 5.10.127-1 | < 5.18.5-1 | < 5.18.5-1 | < 5.18.5-1

• debian•xen

  < 4.14.5+24-g87d90d511c-1 | < 4.16.2-1 | < 4.16.2-1 | < 4.16.2-1

• ubuntu•intel-microcode

  all | < 3.20220510.0ubuntu0.16.04.1+esm1 | < 3.20220510.0ubuntu0.18.04.1 | < 3.20220510.0ubuntu0.20.04.1 | < 3.20220510.0ubuntu0.22.04.1

• ubuntu•linux

  all | < 4.4.0-229.263 | < 4.15.0-187.198 | < 5.4.0-120.136 | < 5.15.0-39.42

• ubuntu•linux-aws

  < 4.4.0-1109.115 | < 4.4.0-1145.160 | < 4.15.0-1136.147 | < 5.4.0-1080.87 | < 5.15.0-1013.17

• ubuntu•linux-aws-5.0

  all

• ubuntu•linux-aws-5.11

  all

• ubuntu•linux-aws-5.13

  < 5.13.0-1031.35~20.04.1

• ubuntu•linux-aws-5.3

  all

• ubuntu•linux-aws-5.4

  < 5.4.0-1080.87~18.04.1

• ubuntu•linux-aws-5.8

  all

• ubuntu•linux-aws-fips

  < 4.15.0-2075.80 | < 5.4.0-1080.87+fips1 | all

• ubuntu•linux-aws-hwe

  < 4.15.0-1136.147~16.04.1

• ubuntu•linux-azure

  < 4.15.0-1145.160~14.04.1 | < 4.15.0-1145.160~16.04.1 | all | < 5.4.0-1085.90 | < 5.15.0-1012.15

• ubuntu•linux-azure-4.15

  < 4.15.0-1145.160

• ubuntu•linux-azure-5.11

  all

• ubuntu•linux-azure-5.13

  < 5.13.0-1031.37~20.04.1

• ubuntu•linux-azure-5.15

  < 5.15.0-1014.17~20.04.1

• ubuntu•linux-azure-5.3

  all

• ubuntu•linux-azure-5.4

  < 5.4.0-1085.90~18.04.1

• ubuntu•linux-azure-5.8

  all

• ubuntu•linux-azure-edge

  all

• ubuntu•linux-azure-fde-5.15

  < 5.15.0-1114.123~20.04.1

• ubuntu•linux-azure-fips

  < 4.15.0-2056.62 | < 5.4.0-1085.90+fips1 | all

• ubuntu•linux-bluefield

  all

• ubuntu•linux-dell300x

  < 4.15.0-1048.53

• ubuntu•linux-fips

  < 4.4.0-1079.86 | < 4.15.0-1093.104 | < 5.4.0-1056.64 | all

• ubuntu•linux-gcp

  < 4.15.0-1130.146~16.04.1 | all | < 5.4.0-1080.87 | < 5.15.0-1010.15

• ubuntu•linux-gcp-4.15

  < 4.15.0-1130.146

• ubuntu•linux-gcp-5.11

  all

• ubuntu•linux-gcp-5.13

  < 5.13.0-1033.40~20.04.1

• ubuntu•linux-gcp-5.15

  < 5.15.0-1013.18~20.04.1

• ubuntu•linux-gcp-5.3

  all

• ubuntu•linux-gcp-5.4

  < 5.4.0-1080.87~18.04.1

• ubuntu•linux-gcp-5.8

  all

• ubuntu•linux-gcp-fips

  < 4.15.0-2040.45 | < 5.4.0-1080.87+fips1 | all

• ubuntu•linux-gke

  < 5.4.0-1076.82 | < 5.15.0-1010.13

• ubuntu•linux-gke-4.15

  all

• ubuntu•linux-gke-5.4

  < 5.4.0-1076.82~18.04.1

• ubuntu•linux-gkeop

  < 5.4.0-1048.51

• ubuntu•linux-gkeop-5.4

  < 5.4.0-1048.51~18.04.1

• ubuntu•linux-hwe

  < 4.15.0-187.198~16.04.1 | all

• ubuntu•linux-hwe-5.11

  all

• ubuntu•linux-hwe-5.13

  < 5.13.0-51.58~20.04.1

• ubuntu•linux-hwe-5.15

  < 5.15.0-41.44~20.04.1

• ubuntu•linux-hwe-5.4

  < 5.4.0-120.136~18.04.1

• ubuntu•linux-hwe-5.8

  all

• ubuntu•linux-hwe-edge

  all | all

Showing first 50 affected entries in server-rendered view.

References (26)

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html
• http://www.openwall.com/lists/oss-security/2022/06/16/1
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FHTEW3RXU2GW6S3RCPQG4VNCZGI3TOSV/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4P2KJYL74KGLHE4JZETVW7PZH6ZIABA/
• https://security.netapp.com/advisory/ntap-20220624-0008/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MCVOMHBQRH4KP7IN6U24CW7F2D2L5KBS/
• https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html
• https://www.debian.org/security/2022/dsa-5173
• https://www.debian.org/security/2022/dsa-5178
• https://www.debian.org/security/2022/dsa-5184
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RKRXZ4LHGCGMOG24ZCEJNY6R2BTS4S2Q/
• https://security.gentoo.org/glsa/202208-23
• https://ubuntu.com/security/CVE-2022-21123
• https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/processor-mmio-stale-data-vulnerabilities.html#SBDR
• https://xenbits.xen.org/xsa/advisory-404.html
• https://ubuntu.com/security/notices/USN-5484-1
• https://ubuntu.com/security/notices/USN-5485-1
• https://ubuntu.com/security/notices/USN-5486-1
• https://ubuntu.com/security/notices/USN-5485-2
• https://ubuntu.com/security/notices/USN-5505-1
• https://ubuntu.com/security/notices/USN-5513-1
• https://ubuntu.com/security/notices/USN-5529-1
• https://ubuntu.com/security/notices/USN-5535-1
• https://www.cve.org/CVERecord?id=CVE-2022-21123
• https://security-tracker.debian.org/tracker/CVE-2022-21123
• https://security.alpinelinux.org/vuln/CVE-2022-21123