CVE-2023-1074: linux linux_kernel
Vulnerability summary
CVE-2023-1074 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.9% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 29 · Related 20Timeline
- 27-03-2023PublishedVulnerability first disclosed.
- 19-03-2025Last modifiedVulnerability information updated.
Description
A memory leak flaw was found in the Linux kernel's Stream Control Transmission Protocol. This issue may occur when a user starts a malicious networking service and someone connects to this service. This could allow a local user to starve resources, causing a denial of service.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu91 products
- linuxAll versions (No fix recorded) | < 4.4.0-239.273 | < 4.15.0-209.220 | < 5.4.0-147.164 | < 5.15.0-70.77
- linux-aws< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1154.167 | < 5.4.0-1100.108 | < 5.15.0-1034.38
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
- linux-aws-5.13All versions (No fix recorded)
Chainguard82 products
- hyperv-daemons-6.18All versions (No fix recorded)
- hyperv-daemons-genericAll versions (No fix recorded)
- linux-aws-6.12All versions (No fix recorded) | < 6.12.65-r0
- linux-aws-6.12-boot-installedAll versions (No fix recorded)
- linux-aws-6.12-fips-boot-installedAll versions (No fix recorded)
Debian1 product
- linux< 6.1.11-1
Linux1 product
4 vendors · 175 products
References
29 links- www.openwall.com/lists/oss-security/2023/01/23/1REPORTAdvisoryARTICLEMailing ListThird Party Advisory