CVE-2020-25673: fedoraproject fedora Uncontrolled Resource Consumption

Modified

AliasesUBUNTU-CVE-2020-25673DEBIAN-CVE-2020-25673

Published 26-05-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-25673 is a medium (CVSS 5.5) Uncontrolled Resource Consumption vulnerability in fedoraproject fedora. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 40.5% of scored vulnerabilities. 2 public exploits are recorded.

Priority

Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

5.5/10

010

Medium · v3.1 (NVD)

EPSS score

0.47%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits2reference

Timeline

26-05-2021
PublishedVulnerability first disclosed.
04-08-2024
Last modifiedVulnerability information updated.

Description

A vulnerability was found in Linux kernel where non-blocking socket in llcp_sock_connect() leads to leak and eventually hanging-up the system.

CVSS metrics

4 scores · 3 sources · 2 versions

v3.15.5v2.04.9

EPSS trend

Probability

0.47%

Chance of exploitation in the next 30 days

Percentile

41%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.47% 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

2 found

referenceUnverified
Exploit Reference (openwall.com)
Maturity: unknown
referenceUnverified
Exploit Reference (openwall.com)
Maturity: unknown

Weaknesses

CWE · root cause

CWE-400Uncontrolled Resource ConsumptionThe product does not properly control the allocation and maintenance of a limited resource.

Affected systems

Version check

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

Ubuntu53 products

linuxAll versions (No fix recorded) | < 4.4.0-222.255 | < 4.15.0-144.148 | < 5.4.0-74.83
linux-aws< 4.4.0-1102.107 | < 4.4.0-1138.152 | < 4.15.0-1103.110 | < 5.4.0-1049.51
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1049.51~18.04.1

linux-aws-5.8< 5.8.0-1038.40~20.04.1
linux-aws-fips< 4.15.0-2045.47 | All versions (No fix recorded) | < 5.4.0-1069.73+fips2
linux-aws-hwe< 4.15.0-1103.110~16.04.1
linux-azure< 4.15.0-1115.128~14.04.1 | < 4.15.0-1115.128~16.04.1 | All versions (No fix recorded) | < 5.4.0-1048.50
linux-azure-4.15< 4.15.0-1115.128
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1048.50~18.04.1
linux-azure-5.8< 5.8.0-1036.38~20.04.1
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fips< 4.15.0-2027.30 | All versions (No fix recorded) | < 5.4.0-1073.76+fips1
linux-bluefield< 5.4.0-1012.15
linux-dell300x< 4.15.0-1022.26
linux-fips< 4.4.0-1072.78 | All versions (No fix recorded) | < 4.15.0-1060.68
linux-gcp< 4.15.0-1100.113~16.04.1 | All versions (No fix recorded) | < 5.4.0-1044.47
linux-gcp-4.15< 4.15.0-1100.113
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1044.47~18.04.2
linux-gcp-5.8< 5.8.0-1035.37~20.04.1
linux-gcp-edgeAll versions (No fix recorded)
linux-gcp-fipsAll versions (No fix recorded) | < 5.4.0-1067.71~20.04.1
linux-gke< 5.4.0-1044.46
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.4< 5.4.0-1044.46~18.04.1
linux-gkeop< 5.4.0-1016.17
linux-gkeop-5.4< 5.4.0-1016.17~18.04.1
linux-hwe< 4.15.0-144.148~16.04.1 | All versions (No fix recorded)
linux-hwe-5.4< 5.4.0-74.83~18.04.1
linux-hwe-5.8< 5.8.0-59.66~20.04.1
linux-hwe-edgeAll versions (No fix recorded)
linux-intel-iot-realtimeAll versions (No fix recorded)
linux-kvm< 4.4.0-1103.112 | < 4.15.0-1092.94 | < 5.4.0-1040.41
linux-lts-xenial< 4.4.0-222.255~14.04.1
linux-oemAll versions (No fix recorded)
linux-oem-5.10< 5.10.0-1025.26
linux-oem-5.6All versions (No fix recorded)
linux-oracle< 4.15.0-1072.80~16.04.1 | < 4.15.0-1072.80 | < 5.4.0-1046.50
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1046.50~18.04.2
linux-oracle-5.8< 5.8.0-1033.34~20.04.1
linux-raspi< 5.4.0-1036.39
linux-raspi-5.4< 5.4.0-1036.39~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2< 4.15.0-1086.91 | All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded)
linux-riscvAll versions (No fix recorded)
linux-riscv-5.8< 5.8.0-29.31~20.04.1
linux-snapdragon< 4.15.0-1103.112

Show all 53

Netapp11 products

Show all 11

Debian1 product

linux< 5.10.38-1

Fedoraproject1 product

fedoraEOL32 | 33 | 34

Linux1 product

linux_kernel< 5.3.18

5 vendors · 67 products

References

14 links

www.openwall.com/lists/oss-security/2020/11/01/1Mailing ListX Refsource MLISTExploitPatchThird Party Advisory
lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORA
lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORA
lists.fedoraproject.org/archives/…Vendor AdvisoryX Refsource FEDORA
www.openwall.com/lists/oss-security/2020/11/01/1X Refsource MISCREPORTExploitMailing ListPatchThird Party Advisory
security.netapp.com/advisory/ntap-20210702-0008/X Refsource CONFIRMThird Party Advisory
ubuntu.com/security/CVE-2020-25673REPORT
ubuntu.com/security/notices/USN-4977-1Advisory
ubuntu.com/security/notices/USN-4979-1Advisory
ubuntu.com/security/notices/USN-4982-1Advisory

Show all 14 references

ubuntu.com/security/notices/USN-4999-1Advisory
ubuntu.com/security/notices/USN-5343-1Advisory
www.cve.org/CVERecord?id=CVE-2020-25673REPORT
security-tracker.debian.org/tracker/CVE-2020-25673Advisory