CVE-2013-4312: linux linux_kernel
Vulnerability summary
CVE-2013-4312 is a medium (CVSS 6.2) vulnerability in linux linux_kernel. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.5% of scored vulnerabilities.
Not severe (CVSS 6.2, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 16 · Related 8Timeline
- 08-02-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The Linux kernel before 4.4.1 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by sending each descriptor over a UNIX socket before closing it, related to net/unix/af_unix.c and net/unix/garbage.c.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.2MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated6.2MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.60% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu21 products
- linux< 3.13.0-83.127
- linux-azureAll versions (No fix recorded)
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
- linux< 4.3.3-6
Linux1 product
- linux_kernel≤ 4.4
Oracle1 product
- linuxEOL5.0 | 6 | 7
4 vendors · 24 products
References
31 links- github.com/torvalds/linux/commit/712f4aad406bb1ed67f3f98d04c044191f0ff593X Refsource CONFIRMVendor Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlX Refsource CONFIRMThird Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=1297813X Refsource CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
Show all 31 references
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlVendor AdvisoryX Refsource FEDORA
- security-tracker.debian.org/tracker/CVE-2013-4312X Refsource CONFIRMThird Party AdvisoryVDB EntryAdvisory
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176464.htmlVendor AdvisoryX Refsource FEDORA