CVE-2022-28693: linux Ubuntu Unprotected Alternate Channel

Deferred

AliasesUBUNTU-CVE-2022-28693

Published 14-02-2025Last modified 14-02-2025

Vulnerability summary

CVE-2022-28693 is a medium (CVSS 4.7) Unprotected Alternate Channel vulnerability in linux Ubuntu. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.5% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 4.7, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

4.7/10

010

Medium · v3.1 (CVE.org)

EPSS score

0.17%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Timeline

14-02-2025
PublishedVulnerability first disclosed.
14-02-2025
Last modifiedVulnerability information updated.

Description

Unprotected alternative channel of return branch target prediction in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

CVSS metrics

4 scores · 3 sources · 2 versions

v4.05.7v3.14.7

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-420Unprotected Alternate ChannelThe product protects a primary channel, but it does not use the same level of protection for an alternate channel.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu126 products

linuxAll versions (No fix recorded) | < 4.15.0-204.215 | < 5.4.0-132.148 | < 5.15.0-46.49
linux-allwinner-5.19All versions (No fix recorded)
linux-awsAll versions (No fix recorded) | < 4.15.0-1150.163 | < 5.4.0-1089.97 | < 5.15.0-1017.21
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11All versions (No fix recorded)

linux-aws-5.13All versions (No fix recorded)
linux-aws-5.15< 5.15.0-1017.21~20.04.1
linux-aws-5.19All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1089.97~18.04.1
linux-aws-5.8All versions (No fix recorded)
linux-aws-6.14All versions (No fix recorded)
linux-aws-6.2All versions (No fix recorded)
linux-aws-6.5All versions (No fix recorded)
linux-aws-fips< 4.15.0-2089.95 | All versions (No fix recorded) | < 5.4.0-1089.97+fips1
linux-aws-hweAll versions (No fix recorded)
linux-azureAll versions (No fix recorded) | < 5.4.0-1095.101 | < 5.15.0-1017.20
linux-azure-4.15< 4.15.0-1161.176
linux-azure-5.11All versions (No fix recorded)
linux-azure-5.13All versions (No fix recorded)
linux-azure-5.15< 5.15.0-1017.20~20.04.1
linux-azure-5.19All versions (No fix recorded)
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1095.101~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-6.11All versions (No fix recorded)
linux-azure-6.2All versions (No fix recorded)
linux-azure-6.5All versions (No fix recorded)
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fdeAll versions (No fix recorded)
linux-azure-fde-5.15< 5.15.0-1114.123~20.04.1
linux-azure-fde-5.19All versions (No fix recorded)
linux-azure-fde-6.2All versions (No fix recorded)
linux-azure-fips< 4.15.0-2070.76 | All versions (No fix recorded) | < 5.4.0-1095.101+fips1
linux-bluefield< 5.4.0-1050.56
linux-fips< 4.4.0-1090.97 | All versions (No fix recorded) | < 4.15.0-1107.118 | < 5.4.0-1065.74
linux-gcpAll versions (No fix recorded) | < 5.4.0-1093.102 | < 5.15.0-1016.21
linux-gcp-4.15< 4.15.0-1145.161
linux-gcp-5.11All versions (No fix recorded)
linux-gcp-5.13All versions (No fix recorded)
linux-gcp-5.15< 5.15.0-1016.21~20.04.1
linux-gcp-5.19All versions (No fix recorded)
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1093.102~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-6.11All versions (No fix recorded)
linux-gcp-6.14All versions (No fix recorded)
linux-gcp-6.2All versions (No fix recorded)
linux-gcp-6.5All versions (No fix recorded)
linux-gcp-fips< 4.15.0-2054.59 | All versions (No fix recorded) | < 5.4.0-1093.102+fips1
linux-gkeAll versions (No fix recorded) | < 5.15.0-1014.17
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.15All versions (No fix recorded)
linux-gke-5.4All versions (No fix recorded)
linux-gkeopAll versions (No fix recorded) | < 5.15.0-1002.4
linux-gkeop-5.15All versions (No fix recorded)
linux-gkeop-5.4All versions (No fix recorded)
linux-hweAll versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13All versions (No fix recorded)
linux-hwe-5.15< 5.15.0-46.49~20.04.1
linux-hwe-5.19All versions (No fix recorded)
linux-hwe-5.4< 5.4.0-132.148~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-6.11All versions (No fix recorded)
linux-hwe-6.14All versions (No fix recorded)
linux-hwe-6.2All versions (No fix recorded)
linux-hwe-6.5All versions (No fix recorded)
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1037.42 | < 5.15.0-1012.14
linux-ibm-5.4< 5.4.0-1037.42~18.04.1
linux-intelAll versions (No fix recorded)
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtimeAll versions (No fix recorded)
linux-intel-iotg< 5.15.0-1013.17
linux-intel-iotg-5.15< 5.15.0-1015.20~20.04.2
linux-iot< 5.4.0-1006.8
linux-kvmAll versions (No fix recorded) | < 4.15.0-1135.140 | < 5.4.0-1079.85 | < 5.15.0-1016.19
linux-lowlatency< 5.15.0-46.49
linux-lowlatency-hwe-5.15< 5.15.0-46.49~20.04.1
linux-lowlatency-hwe-5.19All versions (No fix recorded)
linux-lowlatency-hwe-6.11All versions (No fix recorded)
linux-lowlatency-hwe-6.2All versions (No fix recorded)
linux-lowlatency-hwe-6.5All versions (No fix recorded)
linux-lts-xenialAll versions (No fix recorded)
linux-nvidia-6.11All versions (No fix recorded)
linux-nvidia-6.2All versions (No fix recorded)
linux-nvidia-6.5All versions (No fix recorded)
linux-oemAll versions (No fix recorded)
linux-oem-5.10All versions (No fix recorded)
linux-oem-5.13All versions (No fix recorded)
linux-oem-5.14All versions (No fix recorded)
linux-oem-5.17All versions (No fix recorded)
linux-oem-5.6All versions (No fix recorded)
linux-oem-6.0All versions (No fix recorded)
linux-oem-6.1All versions (No fix recorded)
linux-oem-6.11All versions (No fix recorded)
linux-oem-6.14All versions (No fix recorded)
linux-oem-6.5All versions (No fix recorded)
linux-oem-6.8All versions (No fix recorded)
linux-oracleAll versions (No fix recorded) | < 4.15.0-1114.125 | < 5.4.0-1087.96 | < 5.15.0-1016.20
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11All versions (No fix recorded)
linux-oracle-5.13All versions (No fix recorded)
linux-oracle-5.15< 5.15.0-1016.20~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1087.96~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-oracle-6.14All versions (No fix recorded)
linux-oracle-6.5All versions (No fix recorded)
linux-raspi< 5.4.0-1074.85 | < 5.15.0-1013.15
linux-raspi-5.4< 5.4.0-1074.85~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded) | < 5.15.0-1019.19
linux-realtime-6.14All versions (No fix recorded)
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.15< 5.15.0-1017.19~20.04.1
linux-riscv-5.19All versions (No fix recorded)
linux-riscv-5.8All versions (No fix recorded)
linux-riscv-6.14All versions (No fix recorded)
linux-riscv-6.5All versions (No fix recorded)
linux-starfive-5.19All versions (No fix recorded)
linux-starfive-6.2All versions (No fix recorded)
linux-starfive-6.5All versions (No fix recorded)

Show all 126

1 vendor · 126 products

References

8 links