CVE-2007-3740: linux linux_kernel
Vulnerability summary
CVE-2007-3740 is a medium (CVSS 4.4) vulnerability in linux linux_kernel. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 32.1% of scored vulnerabilities.
Not severe (CVSS 4.4, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5Timeline
- 14-09-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
Description
The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.38% 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, no authentication (CVSS vector). Other conditions: not stated in public data.
Linux1 product
- linux_kernel≤ 2.6.21.7 | 2.2.27 | 2.4.36 | 2.4.36.1 | 2.4.36.2 | 2.4.36.3 | 2.4.36.4 | 2.4.36.5 | 2.4.36.6 | 2.6 | 2.6.18 | 2.6.18:rc1 | 2.6.18:rc2 | 2.6.18:rc3 | 2.6.18:rc4 | 2.6.18:rc5 | 2.6.18:rc6 | 2.6.18:rc7 | 2.6.19.4 | 2.6.19.5 | 2.6.19.6 | 2.6.19.7 | 2.6.20.16 | 2.6.20.17 | 2.6.20.18 | 2.6.20.19 | 2.6.20.20 | 2.6.20.21 | 2.6.21.5 | 2.6.21.6
1 vendor · 1 product
References
23 links- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22X Refsource CONFIRM
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9953VDB EntrySignatureX Refsource OVAL
- support.avaya.com/elmodocs2/security/ASA-2007-474.htmX Refsource CONFIRM
Show all 23 references
- bugzilla.redhat.com/show_bug.cgi?id=253314X Refsource MISC