CVE-2013-7421: canonical ubuntu_linux Improper Privilege Management
Vulnerability summary
CVE-2013-7421 is a low (CVSS 2.1) Improper Privilege Management vulnerability in canonical ubuntu_linux. EPSS estimates a 0.71% chance of exploitation in the next 30 days, higher than 53.5% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 2.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 2Timeline
- 02-03-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability than CVE-2014-9644.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.71%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 0.72% 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
1 foundExploit Reference (lkml.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- linux< 3.16.7-ckt4-2
- debian_linuxEOL7.0 | 8.0
Ubuntu2 products
- linux< 3.13.0-48.80
- linux-lts-utopic< 3.16.0-33.44~14.04.1
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 14.10
Linux1 product
- linux_kernel< 3.18.5
Oracle1 product
- linuxEOL5 | 6 | 7
5 vendors · 7 products
References
30 links
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRMThird Party Advisory
Show all 30 references
- www.mandriva.com/security/advisories?name=MDVSA-2015:057Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.htmlX Refsource CONFIRMThird Party Advisory
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.18.5X Refsource CONFIRMRelease NotesThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2015:058Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- github.com/torvalds/linux/commit/5d26a105b5a73e5635eae0629b42fa0a90e07b7bX Refsource CONFIRMPatchThird Party Advisory
- git.kernel.orgX Refsource CONFIRM